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Nyheter om Bitcoin-kurser Erfarenheter

24 Sep

Att välja Nyheter om Bitcoin-kurser de bästa kryptosystem som finns på marknaden är en mycket viktig aspekt av handeln. Om du inte är medveten om detta kan det sluta med att du förlorar mycket pengar i det långa loppet. Om du vill göra mest vinst på kortast möjliga tid måste du göra din hemläxa väl. Här är några av de grunder som du bör känna till innan du väljer de bästa mynten att handla på marknaden med.

Nyheter om Bitcoin-kurser

En av de första sakerna du måste titta efter i de bästa valutorna som finns på marknaden är deras inflationsgrad. För att förstå detta måste du först förstå vad inflation är. Inflation är helt enkelt en ökning av priserna utan att varor och tjänster minskar. Till exempel är en enårig dollar värd mycket mer om några månader, eller hur? Så om du väljer att investera i de bästa råvarorna för det här århundradet vore det klokt att hålla utkik efter de valutor som enligt prognoserna kommer att uppleva den högsta inflationen under de kommande tio åren.

Ett annat grundläggande övervägande när det gäller att investera i de bästa valutorna är deras historik när det gäller handel och gruvdrift. Man kan inte bara välja vilket gammalt system som helst att investera i idag. Det finns hundratusentals valutor som handlas på marknaden och endast ett fåtal utvalda är lönsamma. Därför är det nödvändigt att du forskar väl om de olika systemen som finns tillgängliga för att veta vilket av de tillgängliga kryptosystemen som är det bästa att investera i.

Ett av de enklaste sätten att avgöra vilken av de bästa valutorna att investera i är genom att titta på den underliggande tillgångens egenskaper. Detta kallas tillgångens egenskaper och de är kända som Ripples. Låt oss ta en titt på två exempel på de bästa valutorna att investera i under det kommande decenniet. Den första typen av tillgång är aktier. Ett index som följer värdet av olika typer av företag kallas aktier. Så om vi tittar på de tio främsta valutorna som kommer att styra aktiemarknadens värde i framtiden är det troligt att dollarn kommer att fortsätta sin uppgång eftersom värdet på aktier i USA och Europa förväntas stiga.

Den andra typen av tillgångar är guld. Det finns en stor sannolikhet för att guldpriset kommer att stiga under det kommande decenniet. Om du håller på med handel och inte har teknisk kunskap om vilken av de bästa valutorna du ska investera i bör du prova de bästa kryptovalutorna som sannolikt kommer att öka i värde under detta årtionde. Bland de möjliga valutorna att investera i Nyheter om Bitcoin-kurser finns euron, den japanska yenen, den australiska dollarn, schweiziska francen, den kanadensiska dollarn och det brittiska pundet. Var och en av dessa valutor har sina egna för- och nackdelar och du bör noggrant studera dem innan du investerar i dem.

Även om det är lätt att bli lockad av de dåliga nyheterna om att investera i kryptovalutor finns det ingen dålig investering när det gäller mynt. Anledningen till detta är att de flesta investerare som är nya i den här branschen slutar med att förlora sina pengar eftersom de inte har rätt kunskap om vilka av de bästa valutorna de ska investera i. Så när du letar efter de bästa valutorna att investera i är det viktigt att du blir bekant med alla dessa. Detta beror på att endast genom att bli en registrerad användare av en onlinehandelsplats kan du få tillgång till alla de bästa kryptovalutorna som finns tillgängliga i världen idag.

Det finns många fördelar som är förknippade med att investera i de bästa kryptokurvorna, bland annat det faktum att de handlas på den globala marknaden. Därför är det lätt att handla med de bästa valutorna och du kan också förvänta dig god avkastning. Att investera i de bästa valutorna kräver dock att du lär dig hur systemet fungerar, grunderna i ekonomi och företagsledning. Om du till exempel är en investerare som är ny på att investera på altcoin-marknaden, är det bättre om du får hjälp av professionella personer som experter och handlare.

Det finns många fördelar som du kan njuta av när du investerar i de bästa valutorna i världen. En av dessa är att när du väljer de bästa kryptosurferna kan du vara säker på att värdet på din investering alltid kommer att vara stabilt. Eftersom värdet på varje mynt varierar beroende på utbud och efterfrågan är det viktigt att du investerar i de bästa valutorna och sedan handlar med dem enligt dina behov. När värdet på en valuta fluktuerar kan du alltså enkelt sälja dina tillgångar och investera i de nya.

Det bästa sättet att investera i de bästa kryptosurfarna är att se till att du är välinformerad om de olika faktorer som påverkar värdet på ett visst mynt och du har också en expert som kan lära dig hur du väljer de bästa valutorna att investera i. När du vill göra vinster från handeln med den bästa kryptosurf bör du alltså se till att du utbildar dig om marknadens ekonomi och affärsmodeller. Här är nästa intressanta blogginlägg: Bitcoin plånbok mobil.

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Bitcoin med Paypal Reddit Erfarenheter

24 Sep

Att välja Bitcoin med Paypal Reddit de bästa kryptosystem som finns på marknaden är en mycket viktig aspekt av handeln. Om du inte är medveten om detta kan det sluta med att du förlorar mycket pengar i det långa loppet. Om du vill göra mest vinst på kortast möjliga tid måste du göra din hemläxa väl. Här är några av de grunder som du bör känna till innan du väljer de bästa mynten att handla på marknaden med.

Bitcoin med Paypal Reddit

Den andra typen av tillgångar är guld. Det finns en stor sannolikhet för att guldpriset kommer att stiga under det kommande decenniet. Om du håller på med handel och inte har teknisk kunskap om vilken av de bästa valutorna du ska investera i bör du prova de bästa kryptovalutorna som sannolikt kommer att öka i värde under detta årtionde. Bland de möjliga valutorna att investera i Bitcoin med Paypal Reddit finns euron, den japanska yenen, den australiska dollarn, schweiziska francen, den kanadensiska dollarn och det brittiska pundet. Var och en av dessa valutor har sina egna för- och nackdelar och du bör noggrant studera dem innan du investerar i dem.

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The 500 Rule in Photography: What Is It and How Does It Work?

23 Sep

The post The 500 Rule in Photography: What Is It and How Does It Work? appeared first on Digital Photography School. It was authored by Jeremy Flint.

the 500 rule in photography: a quick guide

Do you want to create beautiful photos of the night sky? The 500 Rule is a great astrophotography technique that’ll help you render sharp stars, consistently. Best of all, it’s ultra easy to use.

So if you’re new to the 500 Rule, you’re in luck; this article will guide you through the main principles, explain how to use it, and highlight the importance of applying it in your nighttime photography.

Let’s get started.

What is the 500 Rule?

The 500 Rule is a popular guideline for photographing stars. Its main aim is to capture stars as razor-sharp pinpoints rather than star trails – by helping you calculate the longest shutter speed you can use without noticeable star streaking.

You see, photographing sharp stars – as opposed to slight star trails – requires a reasonably fast shutter speed. If your shutter speed gets too low, your stars will start to streak. And while this can look nice when done carefully, unintentional star trails can become messy.

beautiful astrophotography without star trails

Why is the 500 Rule important?

Truthfully, the 500 Rule, despite its name, is really more of a guideline. But it’s still plenty important, because it helps you capture striking images of the night sky without streaky stars.

You see, when you’re photographing at night, your camera is often starved for light – and so the longer you can make the exposure, the better. But go too long and you get star streaks, which is where the 500 Rule comes in; it provides you with a cutoff point that you can’t (or shouldn’t) go past when doing astrophotography.

The 500 Rule: the basic calculation

So, how does the 500 Rule work?

In principle, the 500 Rule is easy to calculate. Simply take 500 and divide it by the focal length of your lens. The result is equal to your maximum shutter speed.

For example, when using a lens with a focal length of 24mm, you would divide 500 by 24, which gives you 21 – or a shutter speed of 21 seconds.

And when using a 50mm focal length, you would divide 500 by 50, for a maximum shutter speed of 10 seconds.

It is important to remember, however, that the 500 Rule is only an approximation of the best exposure time to use. It won’t always guarantee that your images will be free of star trails (and later on in this article, I discuss some situations where the 500 Rule can fail).

astrophotography with star trails — An image with star trails; note that I did *not* use the 500 Rule.

When to use the 500 Rule

The most popular time to use the 500 Rule formula is when shooting night scenes of static stars or the Milky Way. When photographing the night sky, the conditions are very dark, and you will need to adjust your camera settings to compensate for the low light. Usually, if you want to capture a bright enough image of a night scene, you will need to increase the exposure time accordingly (and you should keep the ISO low to minimize noise).

This is exactly the time to apply the 500 Rule. By using the maximum shutter speed, you’ll get sharp stars – and you’ll also get a well-exposed image with the minimum amount of noise.

astrophotography mountain photo without star trails — An image using the 500 Rule (without star trails).

Generally, you’ll want to use a fairly wide-angle lens when photographing the night sky because it’ll offer a broader field of view. I recommend a shorter focal length lens such as a 14mm, 16mm, or 24mm to capture more stars in the scene.

For your convenience, I’ve calculated out the maximum exposure times for each of these focal lengths:

14mm | 500/14 = 35 seconds
16mm | 500/16 = 31 seconds
24mm | 500/24 = 20 seconds

Dealing with crop-sensor and Four Thirds cameras

The 500 Rule is a great concept, one that you can use with any camera. However, the basic 500 Rule calculation mentioned above applies solely to full-frame cameras, and you’ll need a different formula for crop-sensor and Four Thirds cameras.

If you use a crop-sensor or Four Thirds camera, the maximum shutter speed can be calculated as follows:

500 divided by the crop factor multiplied by the focal length.

So first multiply the focal length by the crop factor (which gives you the effective focal length). Then divide 500 by the result.

For a Canon APS-C camera and a 24mm lens, this would be 500 divided by 1.6 x 24 = 13 seconds.

For Nikon APS-C camera and a 24mm lens, this is 500 divided by 1.5 x 24 = 14 seconds.

The Four Thirds crop factor is 2, so with a 24mm lens, you get 500 divided by 2 x 24 = 10 seconds.

Should you always use the 500 Rule for astrophotography?

You shouldn’t always use the 500 Rule. Sometimes, the suggested maximum shutter speed can still result in star trails in your images. For example, according to the 500 Rule, a 12mm lens should let you photograph down to around 40 seconds or so without star trails, yet an exposure time of over 30 seconds can show star movement. The same is true of an ultra-wide 14mm lens.

So if you want to record sharp stars, you may want to avoid using the 500 Rule with such lenses.

Alternatively, you may be someone who prefers to shoot star trails. If that’s the case, there is no need for you to use the 500 Rule. Instead, use an ultra-long shutter speed to record the curve of the stars as they move. You’ll generally need to apply a shutter speed of 30 seconds up to an hour or more.

(The longer the exposure, the larger the star trail!)

Also, the 500 Rule does not take into consideration other factors such as light pollution, haze, and the angle of the stars. Therefore, even after making your 500 Rule calculation, it’s best to experiment with the shutter speed for optimal results.

The 500 Rule: final words

The 500 Rule is a great technique, and you can use it to achieve beautifully sharp shots of stars. It’s a clever method of finding the maximum exposure based on your camera type and lens focal length, and it really is a brilliant way of improving your photos of the Milky Way and the night sky.

If you own an APS-C or Four Thirds camera, be sure to adjust the calculation for the relevant crop factor. Above all, enjoy shooting the night sky!

Now over to you:

What do you think of the 500 Rule? Do you plan to use it in your astrophotography? Do you have any tips? Share your thoughts in the comments below!

The post The 500 Rule in Photography: What Is It and How Does It Work? appeared first on Digital Photography School. It was authored by Jeremy Flint.

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Lightroom vs RawTherapee: Which Editor Should You Pick?

23 Sep

The post Lightroom vs RawTherapee: Which Editor Should You Pick? appeared first on Digital Photography School. It was authored by Ana Mireles.

Lightroom vs RawTherapee: which editor is best?

Looking for a top-notch photo editor, one that offers a combination of power, user-friendliness, and organizational chops? Lightroom and RawTherapee both fit the bill, but it can be tough to determine which option is perfect for your needs.

And that’s where this article comes in handy. I’ll break down the main aspects of these two programs, from the ease of use to the costs and benefits.

So if you’re ready to determine which program is better, Lightroom vs RawTherapee, then let’s get started.

Lightroom vs RawTherapee: overview

Lightroom and RawTherapee are both photo editing programs with advanced RAW processing capabilities. In fact, Lightroom is one of the most popular choices in the photography world, though many people are put off by Adobe’s subscription model. RawTherapee is less well known, which makes finding learning resources difficult, though the program itself is (get this!) free.

As far as I’m concerned, you can’t go wrong with either option – they both work nicely, though they cater to different types of photographers. Let’s take a closer look.

Ease of use

Is Lightroom the easier program to use, especially as a beginner? Or is RawTherapee the better buy?

Download and installation

To install, purchase, and download Lightroom, you’ll need to set up an Adobe account. You’ll also need to navigate through the different plans available and decide which one works best for you. This isn’t as straightforward as you might like; it can be tough to fully understand the difference between some of the options.

Once you’ve decided on a plan, you can subscribe by providing a Paypal account or a credit card. Alternatively, you can start a free trial. Then you’ll need to follow Adobe’s instructions to install the Creative Cloud – necessary for any Adobe app – and then, from the Creative Cloud window, install Lightroom.

RawTherapee is a free open source program. To download it, simply go to the RawTherapee website, choose your operating system, and click Download. You’ll receive the software, which you can install like any other program. You’ll also get a “manual,” which is actually a link to a page with information and tutorials. And if you want an older version of RawTherapee, just click Downloads on the home page to see the entire set of available programs.

Interface

Lightroom has seven modules, though the most used ones are the Library module (to manage your files) and the Develop module (to edit your images). The remaining modules are for specific uses and are fairly self-explanatory – for example, Book lets you design photo books, Print lets you prepare prints, and so on. Lightroom’s standard tools are clearly marked, but it might take some time for you to fully explore the interface.

RawTherapee is also user friendly, although experienced photo editors may find its lack of similarity to other programs off-putting. By default, it opens in the File Browser section, which is very straightforward and like Lightroom.

On the left side, you’ll find the tabs to change the screen. There’s an Editor screen – to edit your photos – and a Queue option – to export your edited images.

You should be able to apply your first edits without help, but it will take some time and effort to understand RawTherapee’s full potential.

Information and tutorials

Adobe provides a wide variety of Lightroom video tutorials that will guide you from beginner to pro. And since it’s the most popular photo editing software on the planet, you’ll find countless YouTubers explaining how to do practically anything you can think of. Written tutorials are also available from the official Adobe site, as well as third-party websites (such as dPS!).

RawTherapee has a RawPedia with all the information you need to get started and perfect your skills, and the material is available in multiple languages. Like most open-source programs, there’s also a big community behind RawTherapee that’s happy to share its knowledge and help you with any problems.

Cancellation

Lightroom is a subscription-based software, and in most cases, plans are annual. If you cancel before the end of your yearly subscription, you’ll be charged 50% of the remaining months of the membership. After that, you can keep up to 2 GB of storage in the cloud, and you’ll have 90 days to delete any files that exceed the limit. You’ll then have a year to export your edited images from Lightroom, but you can’t make any more changes.

Since RawTherapee doesn’t require a subscription, you can simply delete it from your computer (and re-download it) at will. After deleting the program, you’ll still have your original files, and if you exported your edited photos, you’ll have those, too.

Workflow

Both Lightroom and RawTherapee offer complete workflows; you can organize, edit, and export your files, all within the program.

File management

When you import images, Lightroom creates a catalog, which it uses to save your edits. You can create collections and search for your photos by keyword, EXIF data, tags, etc. The downside to this is that it works independently from your computer and hard drive – if you move a file outside Lightroom, the program won’t be notified and will subsequently fail to find the image.

All Lightroom edits are stored in an LRCAT file, which contains all the catalog data. That’s why moving a file to another location means losing the edits; even if you import it again, Lightroom won’t associate the new file with the original edit.

RawTherapee uses a file browser; this means you don’t need to import files, plus you can move them around outside of the program and still be able to find them again.

Edits are stored in PP3 sidecar files. As long as you copy the PP3 file together with the original image, you’ll always have the edits, even in a new location. Also, you can manage your photos with tags and ratings (the same as in Lightroom).

Photo editing

To edit your photos in Lightroom, you must import them and open the Develop module. Here, you’ll find tools to manage your files and edits along the left-hand side – for example, the Navigator and the History panel. The image is displayed in the center, and you’ll see all edits applied in real-time.

On the right, you can access all the editing tools, starting with the Basic panel and its essential sliders (e.g., Contrast, Exposure, Saturation, and Clarity). The next sections are designed for advanced editing, and Lightroom offers several tools for targeted adjustments as well. If that’s not enough, you can always send the image from Lightroom to Photoshop (assuming you get Photoshop as part of your membership plan).

The RawTherapee Editor module is divided into three panels. On the left, you have Preview, History, and Snapshots; in the center, you have the image; on the right, you’ll find the editing tools.

In RawTherapee, you can do all the standard basic edits and many advanced ones, too. If this isn’t enough and you need to work with layers, you can link RawTherapee with Photoshop, or with GIMP if you prefer to stick with free and open-source programs.

Batch editing

In Lightroom, batch editing is easy. You can use presets, which are automated sets of adjustments, to apply the same edit to multiple images, and there are tons of free and paid presets out there for you to choose from (or you can make your own). You can also batch edit by syncing adjustments from one photo to other photos in the Filmstrip. Another choice is to copy-paste the Develop settings.

RawTherapee also offers batch editing. You can copy and paste the same processing profile to multiple images in the Editor module, or you can batch edit in the Browser module via the batch-adjust option.

Saving and exporting

Lightroom doesn’t have a Save option. To get your edited photos out of Lightroom and save them to your computer or external hard drive, you need to use the Export button in the Library module or select Menu>Edit>Export.

In RawTherapee, you have two ways of saving your images. If you click on the hard drive icon, you can save the image immediately (as you can do with the Save As option in any standard program). However, this can “distract” your CPU resources and slow down your work, which is where the Queue comes in.

If you send the images to the Queue (which you can access from a tab on the left), you’ll have the benefit of processing all of your images at the end, making the most of your time and your computer’s power.

Cost

Technically, Lightroom can’t be bought; you can only purchase a membership that allows you to use it. Depending on the membership plan and the way you pay (monthly or annually), the price can vary, though it starts at $ 9.99 USD per month.

All Photography plans include Adobe Lightroom, Cloud storage (from 20 GB to 1 TB), Adobe Spark, and Adobe Portfolio. Some upgraded plans may include Lightroom Classic, Photoshop, and other Adobe apps.

With a personal membership, you can download the program on two computers, but you can’t use them at the same time. Whenever you install Lightroom, you also need to download and install Creative Cloud.

RawTherapee is completely free, and you don’t even need to register before downloading. You get the full software, which you can install and use on as many computers as you want. It can also be installed on a portable hard drive.

Lightroom vs RawTherapee: which program should you buy?

As you can see, Lightroom and RawTherapee are both great for processing RAW files and editing pictures. The choice between them comes down to needs and personal preference. Let me go through some example scenarios to help you understand:

If you often edit your photos on your phone and like to easily move from your mobile devices to your computer, you’ll be better off with Lightroom, as there isn’t a mobile version of RawTherapee – though make sure you use Lightroom CC, not Lightroom Classic.

If you have an old computer or you are running low on storage space, you should definitely use RawTherapee. Not only is it lighter, but you only have to download one app, not two (as is required by Adobe).

If you only plan to edit on occasion, you might wish to avoid a monthly fee. In this case, RawTherapee is the software for you.

There are many things to consider when you choose between Lightroom and RawTherapee. Hopefully, this article gave you enough information to make the right decision!

Now over to you:

Have you tried Lightroom? How about RawTherapee? Which did you prefer? Share your thoughts in the comments below!

Lightroom vs RawTherapee FAQs

Is Lightroom better than RawTherapee?

Neither program is better than the other. They are both excellent tools and the choice really depends on personal preference, budget, etc.

Is RawTherapee a good alternative to Lightroom?

Yes. RawTherapee is a fantastic program, whether you are an editing beginner or you want to switch over from Lightroom.

Do I need to stop using Photoshop if I change from Lightroom to RawTherapee?

No. Using the Edit Current Image in External Editor option, you can send your files from RawTherapee directly to Photoshop. You can also send them to GIMP and other editors.

Can I watermark my images using RawTherapee?

No. To watermark your images, you need to use another free program, such as Darktable.

Is there a free version of Lightroom?

Lightroom offers a free trial before purchase – but after the trial is over, you need to buy an Adobe membership. Lightroom Mobile has a free version, but some of its features are only enabled with a paid subscription.

Can I use RawTherapee if I don’t shoot in RAW?

Yes. RawTherapee not only supports most RAW formats, but also JPEG, TIFF, PNG, and other common image file types.

The post Lightroom vs RawTherapee: Which Editor Should You Pick? appeared first on Digital Photography School. It was authored by Ana Mireles.

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Vad kostar 0,100426 Bitcoin? Erfarenheter

23 Sep

Att välja Vad kostar 0,100426 Bitcoin? de bästa kryptosystem som finns på marknaden är en mycket viktig aspekt av handeln. Om du inte är medveten om detta kan det sluta med att du förlorar mycket pengar i det långa loppet. Om du vill göra mest vinst på kortast möjliga tid måste du göra din hemläxa väl. Här är några av de grunder som du bör känna till innan du väljer de bästa mynten att handla på marknaden med.

Vad kostar 0,100426 Bitcoin?

Den andra typen av tillgångar är guld. Det finns en stor sannolikhet för att guldpriset kommer att stiga under det kommande decenniet. Om du håller på med handel och inte har teknisk kunskap om vilken av de bästa valutorna du ska investera i bör du prova de bästa kryptovalutorna som sannolikt kommer att öka i värde under detta årtionde. Bland de möjliga valutorna att investera i Vad kostar 0,100426 Bitcoin? finns euron, den japanska yenen, den australiska dollarn, schweiziska francen, den kanadensiska dollarn och det brittiska pundet. Var och en av dessa valutor har sina egna för- och nackdelar och du bör noggrant studera dem innan du investerar i dem.

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500 bitar i euro Erfarenheter

22 Sep

Att välja 500 bitar i euro de bästa kryptosystem som finns på marknaden är en mycket viktig aspekt av handeln. Om du inte är medveten om detta kan det sluta med att du förlorar mycket pengar i det långa loppet. Om du vill göra mest vinst på kortast möjliga tid måste du göra din hemläxa väl. Här är några av de grunder som du bör känna till innan du väljer de bästa mynten att handla på marknaden med.

500 bitar i euro

Den andra typen av tillgångar är guld. Det finns en stor sannolikhet för att guldpriset kommer att stiga under det kommande decenniet. Om du håller på med handel och inte har teknisk kunskap om vilken av de bästa valutorna du ska investera i bör du prova de bästa kryptovalutorna som sannolikt kommer att öka i värde under detta årtionde. Bland de möjliga valutorna att investera i 500 bitar i euro finns euron, den japanska yenen, den australiska dollarn, schweiziska francen, den kanadensiska dollarn och det brittiska pundet. Var och en av dessa valutor har sina egna för- och nackdelar och du bör noggrant studera dem innan du investerar i dem.

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Köp Bitcoin omedelbart Erfarenheter

22 Sep

Att välja Köp Bitcoin omedelbart de bästa kryptosystem som finns på marknaden är en mycket viktig aspekt av handeln. Om du inte är medveten om detta kan det sluta med att du förlorar mycket pengar i det långa loppet. Om du vill göra mest vinst på kortast möjliga tid måste du göra din hemläxa väl. Här är några av de grunder som du bör känna till innan du väljer de bästa mynten att handla på marknaden med.

Köp Bitcoin omedelbart

Den andra typen av tillgångar är guld. Det finns en stor sannolikhet för att guldpriset kommer att stiga under det kommande decenniet. Om du håller på med handel och inte har teknisk kunskap om vilken av de bästa valutorna du ska investera i bör du prova de bästa kryptovalutorna som sannolikt kommer att öka i värde under detta årtionde. Bland de möjliga valutorna att investera i Köp Bitcoin omedelbart finns euron, den japanska yenen, den australiska dollarn, schweiziska francen, den kanadensiska dollarn och det brittiska pundet. Var och en av dessa valutor har sina egna för- och nackdelar och du bör noggrant studera dem innan du investerar i dem.

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7 Tips for Gorgeous Glass Ball Photography

22 Sep

The post 7 Tips for Gorgeous Glass Ball Photography appeared first on Digital Photography School. It was authored by Simon Bond.

7 tips for crystal ball photography

Glass ball photography is a fantastic way to create compelling images, the kind that will leave your audience both wowed and curious.

But how do glass ball photos work? How do you set up beautiful images? And how do you use a simple crystal ball to capture such striking effects?

In this article, I share everything you need to get started, including a lensball recommendation, plenty of tips, and even a few crystal ball photography ideas.

Let’s dive right in.

$Doing Crystal Ball Refraction Photography - house inside glass ball$

How does glass ball photography work?

Glass ball photography, also known as crystal ball photography, uses refraction to capture unique images. A crystal ball (lensball) is placed in front of a scene; the scene is then refracted in the ball. Thanks to the magic of physics, you end up with an inverted image in the ball, which you can then capture with your camera.

As the photographer, you have ultimate control over your lensball image. For instance, by repositioning the ball (and by repositioning the camera with respect to the ball), you’ll capture different perspectives. You can also adjust the aperture for shallow depth of field effects (where the ball is framed by a blurry background), and you can change the distance from the camera to the ball for an interesting close-up effect. I discuss these techniques in greater detail below.

1. Consider flipping the upside down image

Thanks to refraction, the image inside a glass ball is flipped. Which means you have two options:

You can leave the inverted image and incorporate it into the composition. For instance, you can juxtapose the flipped image with the real scene in the background.
You can rotate the image during post-processing, so that the ball’s image appears right side up. Here, you may want to blur out the background with a wide aperture; that way, the flipped background isn’t obvious.

As you’ll see throughout this article, I use a mix of techniques. Sometimes, I like to keep the inverted crystal ball image. Other times, I flip the image for a less disorienting effect.

By the way, if you want to create a sharp, right side up image but you don’t want to do any rotation in post-processing, there is another option:

You can use the ball to photograph reflections. After all, reflections are naturally upside down, but the ball will invert them for a normal-looking result.

The image inside the ball will be upside down.

2. Get on a level with your subject

It might be tempting to put your glass ball on the ground and shoot into it, but this will actually cause significant distortion, plus it will create less compositional impact.

Instead, I recommend getting your ball up off the ground and on a level with your subject. The key here is to ensure your subject is centered in the ball, so feel free to move the setup around until you get the composition you’re after.

Note that you’ll want to keep your hands out of the frame, so you can either get up close and only photograph part of the ball, or you can perch the ball on an elevated platform, like a rock, a car, or a bench.

Of course, there are exceptions to this advice. Sometimes, it pays to place the ball on the ground, especially if you plan to photograph puddles or leaf beds.

3. Fill the glass ball with your subject

Unless you get close to your subject, it will appear very small inside the ball. So do what you can to close the distance, until your subject looms large in the ball (and consequently the frame).

This might involve careful planning or even some creativity. The ball is like a wide-angle lens, so try to think about your shot as if you’re photographing it at 16mm or so. Would the scene fill the frame at 16mm? If so, you’re golden!

In this photo, the cityscape is captured inside the ball.

4. Choose the correct lens

Yes, you can do glass ball photography with literally any lens, from ultra-wide to super-telephoto. But if you want to maximize the impact of the ball, I’d really recommend using a macro lens (or a telephoto lens with significant close-focusing capabilities).

Thanks to a macro lens, you can get close to the ball, which does two things:

It lets you increase the size of the ball in your shot (in other words, you can get close for lots of detail).
It helps you create strong background bokeh, which is key if you want to flip the image and keep it natural looking (discussed in Tip 1).

A wide-angle lens can work, too, but only if the scene allows it. I recommend experimenting with a macro lens and a wide-angle lens to determine the effect you like best.

5. Choose the correct aperture

The aperture influences the depth of field (i.e., the amount of the scene that’s in focus).

Set an ultra-wide aperture, and you’ll end up with a beautifully blurred background and a sharp foreground. Set an ultra-narrow aperture, and you’ll end up with a crisp foreground and a crisp background.

Neither is obviously better than the other; it just depends on the effect you want. If you’d prefer to create a blurry background (for example, you want to flip the image without a disorienting result), you might try using an aperture of f/4 or so. This will generally blur out the background while creating a sharp image inside the ball.

But be sure to review the image on your LCD afterward to make sure you get the result you want. If you go too wide, even the ball will be blurred, and everything will become an out-of-focus mess. Also, the depth of field depends on other factors as well, such as the distance between the lensball and the camera, so experimentation is always a good idea.

lensball close up

6. Find a safe place to position the ball

This is very important, especially if you are photographing from a high vantage point. Balls are, well, balls, which means that they like to roll, and you certainly don’t want your crystal ball rolling off a bench (or worse, a building). Best case scenario, it’ll end up with scratches – and worst case scenario, it’ll smash and you’ll need to buy a new one.

That’s why I recommend putting the ball on a flat surface, and a crevice is better (if you can find one). Place the ball carefully, then let it sit for a few seconds. Even if the ball seems stable, keep your (or a friend’s) hands nearby, and watch it like a hawk, especially on windy days. You do not want the ball to blow off in the middle of a photo!

If you can’t find a good resting place, you might just ask a friend to hold the ball for you. Or, with some practice, you can hold the ball yourself (though this is always tricky; unless you’re working with a tripod, you’ll need to hold the ball in one hand while focusing and firing the shutter with the other!).

In this photo of the Taj Mahal, there is a reflection in the background, and this reflected image is in fact upside down.

7. Make sure your subject is well-lit

Pretty much every photo can benefit from a well-lit subject, but it’s especially important for crystal ball photography.

Why? A strongly lit subject will shine through the ball while minimizing reflections. (Yes, those pesky reflections that come from in front of the ball and can show unwanted elements such as the camera lens!)

That’s why I recommend you photograph with the sun behind you and striking your subject directly. Alternatively, you can photograph during the blue hour or at night, but aim to photograph buildings with brightly lit facades.

(On the other hand, reflections can create interesting effects, so don’t be afraid to try out different lighting scenarios if you’re feeling creative.)

Glass ball photography vs standard photography

Are you wondering whether it makes sense to pursue glass ball photography? After all, do you really want to play around with a lensball when you could be capturing a beautiful wide-angle shot of the same scene?

In this section, I’ve put together a quick list of pros and cons – which will help you decide whether crystal ball photography makes sense for you.

Glass ball pros

A glass ball is cheaper than a lens and allows you to create a unique fisheye effect
A ball offers flexibility; you can move it to different positions in your scene
You can use a large aperture in conjunction with the ball to create bokeh
Scenes created with a crystal ball often have a more artistic feel
The ball creates a natural frame for your scene

Glass ball cons

Larger glass balls are heavy to carry (in an already heavy camera bag)
You need a macro lens to get the best results
The edge of a glass ball produces distortion
Getting a sharp image inside the ball can be difficult
The image in the ball is upside down, which gives you another problem to contend with

In fact, here’s a quick illustration of a crystal ball effect. First, we have a standard wide-angle image of a scene:

A wide angle photo of a famous road junction in Shanghai.

And here’s the same scene, but shot with a glass ball:

Lensball road junction

What do you think? Which shot do you prefer? The choice to use a glass ball is yours to make, though I highly recommend trying it out. Personally, I feel the pros majorly outweigh the cons (plus, you’ve made it this far in the article, which means you know all sorts of helpful tips!)

If you find crystal balls too heavy to carry all the time, you can try scouting scenes in advance, then returning for a second visit with only the equipment you need to get your photo.

Glass ball photography: final words

Well, there you have it:

Plenty of tips to get started with crystal ball photography. You will, of course, need a crystal ball – which you can buy easily on Amazon for around $ 27 USD. Once the ball arrives, head to a local landmark and start experimenting. The list of subjects really is endless; you can start with a lone tree, a church, or even a cityscape scene.

Now over to you:

Have you tried lensball photography? Do you think you’ll start? Share your thoughts and images in the comments below!

Volcanic lake found in Indonesia in glass ball

Natural landscapes look great inside the ball. This is a volcanic lake found in Indonesia.

The post 7 Tips for Gorgeous Glass Ball Photography appeared first on Digital Photography School. It was authored by Simon Bond.

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Professionell med Bitcoins Erfarenheter

22 Sep

Att välja Professionell med Bitcoins de bästa kryptosystem som finns på marknaden är en mycket viktig aspekt av handeln. Om du inte är medveten om detta kan det sluta med att du förlorar mycket pengar i det långa loppet. Om du vill göra mest vinst på kortast möjliga tid måste du göra din hemläxa väl. Här är några av de grunder som du bör känna till innan du väljer de bästa mynten att handla på marknaden med.

Professionell med Bitcoins

Den andra typen av tillgångar är guld. Det finns en stor sannolikhet för att guldpriset kommer att stiga under det kommande decenniet. Om du håller på med handel och inte har teknisk kunskap om vilken av de bästa valutorna du ska investera i bör du prova de bästa kryptovalutorna som sannolikt kommer att öka i värde under detta årtionde. Bland de möjliga valutorna att investera i Professionell med Bitcoins finns euron, den japanska yenen, den australiska dollarn, schweiziska francen, den kanadensiska dollarn och det brittiska pundet. Var och en av dessa valutor har sina egna för- och nackdelar och du bör noggrant studera dem innan du investerar i dem.

The post Professionell med Bitcoins Erfarenheter first appeared on Hur man använder kryptovalutor på rätt sätt.

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Samsung shares new promotional video for its pixel-packed 200MP HP1 mobile image sensor

21 Sep

Samsung has published a new promotional video detailing the features of its new ISOCELL HP1 mobile image sensor.

In the three-minute video, Samsung Sensor Design Team member Minho Kwon shares the various technologies the HP1 sensor brings to mobile image. Specifically, he addresses the 0.64?m pixel size of the sensor, as well as its various pixel-binning modes, including the 4–1 pixel binning (to give an equivalent pixel size of 1.28?m) used when recording 8K video, as well as 16-to-1 pixel binning (to give an equivalent pixel size of 2.56?m) used in low-light environment for still images.

Minho Kwon also details Samsung’s Smart ISO technology, a dual-gain mode that intelligently switches between gain levels to achieve the maximum detail in both light and dark environments.

No new information is presented in the video, but it’s a great look into a pixel-packed sensor we’ll likely see inside next year’s flagship smartphones.

Articles: Digital Photography Review (dpreview.com)

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