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Posts Tagged ‘Smartphone’

Video: DxOMark’s smartphone rating system explained

14 Oct

Marques Brownlee has one of the most popular photo and video-focused YouTube channels out there—boasting some 5.2 million subscribers—and his most recent video takes on a subject that many in the photo world argue about ad nauseam: DxOMark ratings. The video is currently the #7 trending video on all of YouTube, and it’s definitely worth a look, especially if you don’t fully understand how DxO comes up with its overall ratings, photo ratings, video ratings and beyond.

The first half of the video breaks down how DxOMark’s testing system actually works, and how scores in individual categories are compiled into an overall Photo and Video score, which is compiled into an overall score for the device. The second half of the video is where it gets really interesting, however.

Brownlee spends the last 6 minutes or so of the video tackling a few different subjects:

  1. How DxOMark’s role as a consulting firm leads to some speculation about how certain manufacturers might be tuning their devices so they’ll perform better on DxO’s testing system, and whether that always translates
  2. How the scores are NOT based on a maximum score of 100.
  3. How we really ought to expect every new smartphone or camera to be the “best” DxOMark has ever tested, because the tech ought to be getting better every year.
  4. And how the Tech Press at large isn’t very good about explaining DxO scores and often just throws out an overall score for clicks.

That last part is something we do our best to avoid here at DPReview—diving into individual scores and breaking down some of the more subjective assumptions, like we did with the Pixel 2—but something we’re certainly not immune to either.

In the end, Brownlee’s video helps to explain how DxOMark scores are arrived at, the questions you should ask when you look at those scores, and the kind of in-depth analysis you should demand from your tech publications when they share those scores. Yep, that includes us.

Check it out for yourself at the top, and let us know what you think in the comments down below.

Articles: Digital Photography Review (dpreview.com)

 
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The Control Room app lets you control Lightroom from your smartphone

10 Oct

Need to spice up your Lightroom editing experience on the desktop? No need to wait for whatever Adobe has waiting for us at AdobeMAX, you can try out the Control Room app instead. Available for both Android and iOS, the app lets you control all of your Lightroom sliders (and more) from your smartphone, allowing you to lean back and edit the photos on your desktop without touching a mouse or keyboard.

The app was created by software engineer and photographer Aaron Vizzini, who only recently decided to share his creation with the general public.

Using Control Room, you can both edit and manage (rate, flag, create rapid collections) your photos using your smartphone as the control pane. Any changes you make on your device will update in real time on the computer through a companion plugin. It’s exactly as seamless as it sounds:

Whether or not this will actually help speed up your Lightroom workflow is entirely dependent on you, but the idea, at least, is pretty neat. To learn more about Control Room or get the $ 4 app for yourself, head over to the iTunes App Store or Google Play, and then visit the Control Room website to download that plugin as well.

Articles: Digital Photography Review (dpreview.com)

 
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DxOMark: Samsung Galaxy Note 8 ties iPhone 8 Plus as best ever smartphone camera

07 Oct

News that Apple’s new iPhone 8 Plus had suddenly taken the top spot on DxOMark’s smartphone camera rankings was met with the expected range of praise and critique—everything from “of course, iPhone’s are awesome cameras” to “how much did Apple pay DxOMark for this result!?” But it turns out the iPhone 8 Plus’ ranking as the best smartphone camera DxOMark had ever tested didn’t last very long.

As of today, the iPhone 8 Plus has been tied by the Samsung Galaxy Note 8, which significantly bested its Photo score and only tied the iPhone 8 Plus overall because Apple’s smartphone does so much better in the video category.

The full breakdown of the results can be found on DxOMark, but this comparison between the two phones’ scores speaks volumes:

The Photo categories where the Note 8 really outperformed the iPhone include Autofocus (94 vs 74) and Zoom, where the Note 8 got a score of 66 to the iPhone’s 51. DxOMark’s conclusion is appropriately praiseworthy:

When all the tests are verified, the scores calculated, and the perceptual analyses discussed, the Samsung Galaxy Note 8 comes out as an outstanding choice for the smartphone photography enthusiast, matching the top overall score of 94 points of the iPhone 8 Plus. Dual-cam setups offering a second telephoto zoom for portraits are a real step forward for high-end smartphone photography, and the implementation on the Note 8 is exceptional, making it the best smartphone for zoom shots we’ve tested.

Read DxO’s full thoughts and see all of their sample and test photos at this link. And if you’re an Android user in need of some serious photography power from you smartphone, the Galaxy Note 8 should definitely make it to the top of your list.

Articles: Digital Photography Review (dpreview.com)

 
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Google Pixel 2 trumps iPhone as ‘best smartphone camera’ with highest DxOMark score ever

05 Oct

It’s been a couple weeks of amazing camera phone tests over at DxOMark. First the iPhone 8 Plus beat all former phones with a score of 94. Then the Samsung Galaxy Note 8 came in and earned the same overall score, beating the iPhone 8 Plus in the Photo category but falling short in Video. And now… now we have a new proper king.

After testing the brand new Google Pixel 2, DxOMark has awarded the flagship phone its highest ever marks for a smartphone camera with an overall score of 98.

As usual, you can read the full review over on DxOMark’s website, where they pit the Pixel 2 against its main rivals in a few head-to-head challenges, but the overall score results can be seen below:

In the Photo category, the Samsung Galaxy Note 8 is still the best phone out there, besting the Google Pixel 2’s score of 99 by a single point. But when it comes to video, the Pixel 2 is totally and completely unmatched. Its Video score of 96 makes Samsung’s paltry 84 seem a bit weak, and even Apple’s respectable 89 is nowhere close.

Ahead of doing our own tests with these phones, we’ve been looking closely at the results in the DxOMark tests, and we are very intrigued to say the least. Some of the numbers themselves are rather subjective, and we don’t entirely agree with DxO’s assessment in every category.

For example, in their outdoor bokeh comparison, the new Pixel 2 fares the worst:

Google Pixel (original) Portrait mode: 5MP sRGB JPEG.

The original Pixel simulated lens blur well (note the circular appearance of out-of-focus highlights), but did so at a resolution cost (you only got 5MP files). You also had to move the camera upward while taking the photo – problematic for moving subjects. There are artifacts present if you look closely.

Google Pixel 2 Portrait Mode: 12MP sRGB JPEG.

The new Pixel 2 fares the worst in this comparison, with multiple aritfacts throughout the image. At least it’s instantaneous (no need to move camera) and a full 12MP now though. Hopefully Portrait mode fares better in other situations.

iPhone 8 Plus Portrait Mode: 12MP DCI-P3 HEIF (10-bit).

The iPhone 8 Plus uses dual cameras to create the most artifact-free blur. It’s more Gaussian in nature than like a true lens blur (whichthe original Pixel simulated quite well). It’s also worth noting Apple is encoding images in higher bit-depth wider color space using the High Efficiency Image Format.

Something else overlooked by the DXO assessment: Apple now saves images in a new image format: HEIF, which allows for a wider color gamut (DCI-P3) and higher bit-depth (10-bit). That means the potential for more vivid images with less posterization compared to the conventional 8-bit sRGB JPEGs even the new Pixel phones (and most phones / cameras) continue to use today. In fact, even some of the colors in the iPhone 8 Plus image above are outside of the sRGB color space. Point: Apple.

Another point of contention we have: the sometimes overly tonemapped (flat) images HDR+ renders may or may not suit your taste. The Pixel 2 vs. HTC U11 high contrast scene demonstration shows the Pixel 2 preserving more overall detail in shadows and highlights, but doing so at the cost of global contrast. With the display capabilities of wide gamut, high brightness/contrast OLED displays that are technically capable of HDR display, that may not always be the optimal result. The iPhone X will likely be first device to show how good photos can look when you pair HDR capture with HDR display. We’re a bit disappointed that Google didn’t even mention HDR display, despite the devices’ displays clearly being capable of it.

Still, DxOMark’s conclusion doesn’t skimp on the superlatives… except that they’re running out of them:

We’re in danger of running out of superlatives when describing the major image quality attributes of the Google Pixel 2. That makes sense for a device that tops our scoring charts —up from the 94 of the Apple iPhone 8 Plus and Samsung Galaxy Note 8 to a record-setting 98. So for just about any Photo or Video ” href=”https://www.dxomark.com/glossary/use-case/”>use case, it recommends itself as the phone camera with the best image quality.

To read the full review for yourself, head over to the DxOMark website by clicking here.

Articles: Digital Photography Review (dpreview.com)

 
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RevolCam adds three accessory lenses and an adjustable light to any smartphone camera

02 Oct
When we reviewed the Shiftcam for the iPhone 7 Plus earlier this year we found it to be one of the most user friendly and versatile lens attachments for the iPhone. The team behind Shiftcam has now returned to Kickstarter to launch a new multi-lens smartphone attachment: the RevolCam.
Like the Shiftcam the RevolCam adds wide angle, fisheye and macro lenses to your smartphone camera but lacks a tele option. On the plus side it adds a built-in mirror for selfies and a detachable and adjustable LED light, providing additional illumination in dim conditions. Instead of the Shiftcam’s slider mechanism it uses a revolving design to allow for lens swapping on the fly.
In contrast to the Shiftcam, which is device-specific, the RevolCam comes with a universal design and its makers promise easy and secure attachment to any smartphone via a clamp mechanism. This should also work on the main camera of dual-camera equipped devices.

If you can live without a tele-attachment the RevolCam looks like an interesting accessory for mobile photographers who like to expand the camera feature set using attachment lenses. You can currently secure one by pledging $ 29 plus shipping on the RevolCam Kickstarter page which also makes it an affordable option. Delivery is planned for November 2017.

Articles: Digital Photography Review (dpreview.com)

 
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The iPhone 8 Plus is the best smartphone camera DxOMark has ever tested

23 Sep
Photo: Apple

Apple fans who were hopeful the iPhone 8/Plus would represent a big step up in camera quality over the already-respectable iPhone 7/Plus have something to celebrate. DxOMark just released the results of its iPhone 8 and 8 Plus tests, and the new Apple smartphones represents a significant improvement over the previous versions.

In fact, the iPhone 8 Plus is now the best smartphone camera DxOMark has ever tested, and the iPhone 8 comes in a close second, pushing the Google Pixel down from the top stop into the #3 position.

You can read full iPhone 8 and iPhone 8 Plus reviews by clicking on the respective links, but the conclusion from DxOMark’s review of the Plus just about tells you all you need to know:

Overall, the Apple iPhone 8 Plus is an excellent choice for the needs of nearly every smartphone photographer. It features outstanding image quality, zoom for those needing to get closer to their subjects, and an industry-leading Portrait mode for artistic efforts. It is at the top of our scoring charts in nearly every category — and in particular, its advanced software allows it to do an amazing job of capturing high-dynamic range scenes and images in which it can recognize faces.

‘Nuff said? Now we wait to see how much better (or not) the iPhone X is… and what Google’s response will be when the company reveals its new smartphone on October 4th.

Articles: Digital Photography Review (dpreview.com)

 
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Google teases Pixel smartphone launch, takes on iPhone X on October 4th

16 Sep

Responses to the iPhone 8/Plus and iPhone X launch have ranged from “meh, unimpressed” to “holy crap this is going to change everything.” But if you’re waiting for Google’s response to the iPhone X camera, you won’t have to wait long. In fact, you can mark October 4th on your calendar and start the countdown today.

The release date was announced in the snarky little teaser video above, which points people to a landing page complete with the tagline: “Thinking about changing phones?” Billboards asking you to ‘Ask more of your phone’ have been sighted, possibly a nod to Google Assistant’s generally accepted superiority over Siri.

Indeed, questions in the video like ‘why is my phone so dumb?’ or ‘impersonal’ seem to be a jab at Siri, while other questions like ‘why is my phone so fragile’ point to a more durable phone than last year’s not-so-durable Pixel phones, with far less glass than the newly launched iPhones. We hope the ‘why does my phone take so many blurry photos’ question refers to the addition of optical image stabilization.

Even without OIS, when the original Pixel and Pixel XL came out, the phones’ exceptional camera performance wowed reviewers. And that was even without the use of a dual camera module like the iPhone 7 Plus. From a photography perspective, we can’t wait to see what Google does next. Apple already played their hand, the ball is in Google’s court now.

Maybe I am thinking of changing phones Google… convince me.

Articles: Digital Photography Review (dpreview.com)

 
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RED Hydrogen One smartphone will feature Leia lightfield holographic display technology

09 Sep

Earlier this summer, RED announced its new Hydrogen One, a pricey smartphone with what it describes as a holographic display. The company revealed very little about the smartphone at the time, but that changed yesterday with a small but illuminating revelation: RED has teamed with Leia Inc. (not to be confused with Leica) to use the latter company’s lightfield holographic display technology for the Hydrogen One.

Leia produces lightfield holographic displays for mobile gadgets using Nano-Photonic technology, according to the company, which was founded in 2014. RED has invested into Leia as part of this deal, though the particulars of the new exclusive partnership weren’t revealed.

Leia’s technology involves adding a Diffractive Lightfield Backlighting (DLB) layer to an ordinary LCD. The company explains on its website that this ‘gives [the displays] almost magical properties while preserving their standard imaging capabilities.’ The result is a phone screen capable of producing things as complex as interactive holograms or as ‘simple’ as privacy viewing zones.

RED plans to begin shipping its Hydrogen One device in the first half of next year. The smartphone is available to pre-order now from RED for $ 1,195 (aluminum) or $ 1,595 (titanium).

Via: BusinessWire

Articles: Digital Photography Review (dpreview.com)

 
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LukiLink turns your smartphone into an external HDMI display for a DSLR

25 Aug

A new device called the LukiLink just popped up on Kickstarter, and it promises to transform your smartphone into an external HDMI displays for your DSLR.

LukiLink is very simple to use: just connect it to a DSLR camera via an HDMI cable on one side, and a smartphone/tablet via a USB cable on the other. Live video from the camera is then output to the smartphone via the LukiLink mobile app (Android and iOS). The system supports a maximum input/output resolution of 1080/60p.

The team behind the LukiLink, which resembles a simple dongle, explains that the system can be used to view live video from the camera with the smartphone serving as an ordinary external monitor. The system can also be used to livestream footage from the camera on platforms like YouTube, and to transform the smartphone (or tablet) into an external recorder.

LukiLink promises support for NTSC, PAL, and PAL-60 video format inputs, bitrates ranging from 3Mbps to “about 18Mbps,” as well as a maximum recording resolution of 1080/30p. Latency, meanwhile, is said to “usually” fall between 200ms and 300ms, though the exact rate will depend on the smartphone used.

The team behind the product is currently seeking funding on Kickstarter, where they have raised a little over $ 40k of their approximate $ 106k goal. Interested buyers can claim a unit by pledging at least €90 (~$ 105 USD), which is a €40 discount over the anticipated retail price. Assuming the LukiLink is funded, global shipments are scheduled to begin this upcoming October.

Articles: Digital Photography Review (dpreview.com)

 
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Godox A1 smartphone flash trigger officially released, costs $70

17 Aug

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The Godox A1 smartphone flash trigger is finally official. After being announced unofficially over Facebook and teased further with some studio portrait samples, the phone flash and 2.4GHz flash trigger is now available for pre-order.

Chinese company Godox is a rising star in the lighting world thanks to a growing repertoire of affordable, surprisingly versatile and often innovative speedlight and monolight options. The Godox A1 arguably falls into that last “innovative” category: a trigger and flash designed specifically for use with smartphones.

The unit itself features a 1W ‘modeling lamp’ and a daylight-balanced 8W flash with 5 different power settings between 1/1 and 1/16, but chances are good photographers won’t be using those two options much. What’s more interesting is the 2.4GHz trigger built into the unit, which allows you to control Godox’ own X system gear wirelessly using an iPhone app.

Capturing professional-looking, artificial light portraits with a smartphone seems a bit more feasible now.

The flash trigger costs $ 70 and is available for pre-order starting today. Out of the box, the Godox A1 will be compatible with iPhone 6s and newer Apple phones, but Android support is coming soon, starting with Huawei and Samsung phones in September (which might be before the flash arrives on anybody’s doorstep anyhow).

To learn more about the Godox A1, or if you want to pre-order your own, head over to the Godox website by clicking here. And be sure to keep an eye out for a review of the Godox A1 in the coming month: a test unit is winging its way to the DPReview offices as I type this.

Articles: Digital Photography Review (dpreview.com)

 
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