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Posts Tagged ‘f/2.8’

Sony’s 400mm F2.8 G-Master will arrive in September for $12,000

27 Jun

Sony’s previously announced 400mm F2.8 GM OSS received a full introduction today. The pro-grade lens will ship in September for $ 12,000, and aims to deliver superior autofocus and handling. The lens is a (relatively speaking) light 2.7kg / 6.4lb, and Sony claims it’s well-balanced for monopod or even handheld shooting. The company also says that its FE 400mm takes advantage of two new linear motors with 5x faster tracking performance on the a9 compared to the 300mm F.8 G2.

Unlike the 500mm F4 for A-mount, which was front heavy, most of the glass in the new 400mm F2.8 GM is in the center and rear of the lens.

Optical stabilization is offered in three different modes, the third of which is designed to make framing easier when following moving subjects. The lens is made of magnesium alloy for durability, and a drop-in filter slot accepts 40.5mm filters – including a new circular polarizing filter that will go on sale in December.

Firmware version 3.0 for the a9 is also announced, mainly adding support for the 400mm as well as the ability to record camera serial numbers to EXIF data.

For more on the 400mm F2.8 GM, read our first impressions and take a look through our Major League Soccer match sample gallery below.

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Press release

Sony Introduces the Long-Awaited 400mm F2.8 G Master™ Prime Lens

New Large Aperture Super-Telephoto Prime Lens is World’s lightest in its class, with outstanding AF performance, innovative optical design and exceptional image quality

SAN DIEGO, Jun. 27, 2018 – Sony – a worldwide leader in digital imaging and the world’s largest image sensor manufacturer – has today announced the highly anticipated FE 400mm F2.8 GM OSS large aperture super-telephoto prime lens (model SEL400F28GM).

The product of extensive research and testing, Sony’s new FE 400mm F2.8 GM OSS lens is the first large aperture super-telephoto prime to join the E-mount lineup. This exciting new lens produces brilliant image quality with extraordinary focusing speed and precision, while also boasting the lightest weight in its class and an extremely balanced design. It’s the ideal choice for professional sports, wildlife and nature photographers, and a perfect complement to Sony’s extensive lineup of high-speed E-mount bodies including ?9, ?7R III and more.

“We’re extremely excited and proud to officially introduce the new 400mm F2.8 G Master prime lens,” said Neal Manowitz, Vice President of digital imaging at Sony Electronics. “The latest in our flagship series of G Master Lenses, this new lens offers exceptional image quality and an innovative lightweight design that will give professionals a level of flexibility with a 400mm lens unlike anything they’ve ever experienced. Combined with the unmatched shooting speeds and autofocus capabilities of our full-frame E-mount cameras, it will allow them to capture and create in ways that were never before possible.”

World’s Lightest 400mm F2.8 Prime with Ideal Balance for Monopod or Handheld Shooting

Weighing it at only slightly more than 6 lbs., the new FE 400mm F2.8 GM OSS lens provides a level of portability and handheld maneuverability that has never before been achieved in a lens of its class. The remarkably light weight of this lens is achieved through an innovative optical design that includes three fluorite elements, with a reduced number of elements deployed at the front of the barrel, as well as the liberal usage of durable magnesium alloy components.

Repeated field tests and evaluation by professional photographers across the world have led to a lens design that is not front-heavy, reducing moment of inertia that resists rotation by up to 50% as compared to the SAL500F40G , ensuring quicker, more precise panning when shooting handheld or on a monopod.

Fast, Precise Autofocus

To best take advantage of the rapidly evolving shooting and focusing speeds of Sony’s latest cameras, the FE 400mm F2.8 GM OSS lens features two newly developed high-speed XD (extreme dynamic) Linear Motors that drive the lens’s focus group, achieving up to a 5x improvement in moving-subject tracking performance. These motors are supported by specially developed motion algorithms to minimize lag and instability, and control noise levels, resulting in exceptionally quick, accurate and quiet autofocus performance. This allows the lens to capture dynamic, fast moving athletes or wildlife with ease.

G Master Image Quality and Bokeh

A member of Sony’s flagship G Master series lenses, this new large aperture super-telephoto prime lens features an incredible level of image quality and detail, with outstanding contrast and resolution maintained all the way to the corners of the image. The unique optical design includes three fluorite elements that help to minimize chromatic aberration and suppress any amount of color bleeding. The lens has also been coated with Sony’s original Nano AR coating to suppress any unwanted reflections, glare, or ghosting.

In addition to the impressive resolution, the lens features an 11-blade circular aperture mechanism that allows it to produce extremely natural and beautiful background defocus or ‘bokeh’.

The new FE 400mm F2.8 GM OSS is compatible with Sony’s 1.4x and 2.0x E-mount tele-converters, producing outstanding imaging performance at extended focal lengths while maintaining fast, precise AF performance.

Durability, Reliability and Control

To withstand the harsh conditions of sporting events and wildlife photography, Sony’s new FE 400mm F2.8 GM OSS is built with a durable magnesium alloy and a strong, lightweight carbon fiber hood. The lens is also dust and moisture resistant , and its front element is coated with fluorine to resist dirt and fingerprints.

There is also an ample number of hard controls on the lens, including customizable focus-hold buttons in four different locations on the lens barrel, which can be programmed for control of features such as Eye AF functionality, if desired. There is also a ‘Full-Time DMF’ switch to immediately engage manual focus at any point, and a focus ring that features Linear Response MF for fine, responsive manual focus. Additionally, the new lens includes built-in optical stabilization for dynamic action and three different ‘Mode’ settings, including a brand new Mode 3 setting with an advanced algorithm that ensures easier framing when following moving subjects. It also features a function ring with selectable ‘Preset’ and ‘Function ’ settings, which is a first for any Sony lens.

The FE 400mm F2.8 GM OSS includes a drop-in filter slot that accepts ø 40.5mm ND and other filter types, as well as the optional VF-DCPL1 Drop-in Circular Polarizing Filter. The VF-DCPL1 filter can be rotated to achieve the desired polarization while installed in the lens.

?9 System Software Update to Support FE 400mm F2.8 GM OSS

The latest system software update (Version 3.00) for ?9 (ILCE-9) provides support for the new FE 400mm F2.8 GM OSS (SEL400F28GM) lens to optimize optical image stabilization performance, and enables continuous shooting with auto focus tracking, even when aperture is greater than F11.

The update also provides added option to input the camera serial number to the Exif data, a feature that has been strongly requested by professional sports photographers and photojournalists. Additionally, several other updates to the ?9 camera have been implemented with the new firmware, including improved auto focus speed in low light conditions, enhanced continuous AF performance when tracking a moving subject, and reduced release time lag when shooting with flash.

Pricing and Availability

The new FE 400mm F2.8 GM OSS large aperture super-telephoto prime lens (model SEL400F28GM) will ship in September for about $ 12,000 US and $ 16,250 CA. The optional Drop-in Circular Polarizing Filter (model VF-DCPL1) will ship in December for about $ 400 US and $ 550 CA.

Sony FE 400mm F2.8 GM OSS specifications

Principal specifications
Lens type Prime lens
Max Format size 35mm FF
Focal length 400 mm
Image stabilization Yes
Lens mount Sony FE
Aperture
Maximum aperture F2.8
Aperture ring No
Number of diaphragm blades 11
Optics
Elements 17
Groups 23
Special elements / coatings 1 fluorite and 3 ED elements, Nano AR and fluorine coatings
Focus
Minimum focus 2.70 m (106.3″)
Maximum magnification 0.16×
Autofocus Yes
Motor type Linear Motor
Full time manual Yes
Focus method Internal
Distance scale Yes
DoF scale No
Focus distance limiter Yes
Physical
Weight 2895 g (6.38 lb)
Diameter 158 mm (6.22″)
Length 359 mm (14.13″)
Materials Magnesium alloy
Sealing Yes
Colour White
Filter thread 40.5 mm
Filter notes Drop-in filters
Hood supplied Yes
Hood product code ALC-SH155
Tripod collar Yes

Articles: Digital Photography Review (dpreview.com)

 
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Fujifilm GF 45mm F2.8 R WR sample gallery

19 Jun

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The dust and moisture-sealed FUJINON GF 45mm F2.8 R WR is a 36mm equivalent fast prime for Fujifilm’s GFX 50S. Optical construction comprises 11 elements in eight groups, including one aspherical and two ED elements. But does all of this add up to great image quality?

Judge for yourself in our gallery of real-world samples.

Learn more about the FUJINON GF 45mm F2.8 R WR

Articles: Digital Photography Review (dpreview.com)

 
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Review of the Sigma 14-24mm F2.8 Art Lens

17 Jun

Every photographer’s kit needs to include both a wide and ultra-wide lens. These lenses provide the flexibility to shoot a variety of subjects such as portraits, landscapes, astrophotography, and food. Wide lenses provide a unique and fresh way to portray subjects and are a great way to shoot contextual scenes that emphasize foreground elements. New to the market in 2018 is the Sigma 14-24mm f2.8 DG Art Series Lens.

It provides a constant fast f/2.8 aperture and a zoom that transforms your field of view from wide (84.1 degrees) to ultra-wide (114.2 degrees).  I took this lens for a test-drive to give you a glimpse of its performance.

I will save my very positive overall numerical rating for the end. So let’s get into some of the nitty-gritty findings of this functional and flexible piece of glass.

Review of the Sigma 14-24mm F2.8 Art Lens

Sigma 14-24mm f/2.8 DG Art lens on a Nikon D800.

First Impressions

There’s always a thrill the first time you unroll a lens from its packaging and lift it from the box. I immediately noticed the weight of the lens (officially ~40oz; 1,150g) giving it a quality feel. The metal construction of this lens is on display and the only plastic parts are the lens cover and lens hood.

I was struck by the large size of the lens – it is much larger than my Sigma 24mm f/1.4. However, this makes sense as the extra size is necessary to accommodate the zoom from 14-24 mm. Overall my first impressions on the look and feel of this lens were excellent.

Sigma 14-24, Nikon D800 - Review of the Sigma 14-24mm F2.8 Art Lens

I tested the Sigma 14-24mm f2.8 on a Nikon D800 and Nikon 810 body. It fit that body well and has a good feel on the full frame body.

Build Quality

Sigma did not cut any corners when constructing this lens. The all-metal build gives it a sturdy feel and results in the weight I eluded to in my first impressions.

The metal construction includes the rear mount to give the lens longevity and life. The zoom ring and focus ring are textured for a solid grip and operate very smoothly. I was happy to note that the construction of this lens is dust and splash resistant which are valuable traits to me as a landscape and nature photographer.

The lens cap has a snug fit and amply covers the aspherical lens.

Review of the Sigma 14-24mm F2.8 Art Lens

The outer element of the Sigma 14-24mm f2.8 lens has a aspherical, dome-shaped glass.

Review of the Sigma 14-24mm F2.8 Art Lens

The lens is large (5.3 inches long) and well built. Texturing on the focus and zoom rings provide a good grip.

Review of the Sigma 14-24mm F2.8 Art Lens - rear element

Metal mounts will provide longevity for this lens. A large rear element helps with light collection .

Image Quality

In the Lab

To conduct sharpness tests, I took the lens into a variety of conditions both indoors and outdoors.

Let’s first take a look at the results of a traditional test using the pages of a book to determine sharpness and chromatic aberration. For that test, I adjusted the camera to Aperture priority mode and adjusted the aperture throughout its range (f/2.8 – f/22). All images were shot with a tripod with the exact same lighting in a lightbox.

Individual results for each setting are available below showing a 1:1 ratio crop of the same numbers at the edge of the lens. I found the lens too soft when wide open at f/2.8. That is an expected result, but the softness was very noticeable. It was very sharp all the way to the edge of the image at f/8 and f/16. Sharpness declined at f/22. Image sharpness was maintained to the edge of the lens – impressive for an ultra-wide lens.

I found there to be a limited chromatic aberration that is easily correctable in Lightroom. Particularly in the corners of the image there was distortion at 14mm, but that is a common result in ultra-wide lenses.

Review of the Sigma 14-24mm F2.8 Art Lens

Here is a test of the lens for sharpness at f/2.8 at the edge of the image. You can see blurring along the edges of the numbers which is expected at the edge of an ultra-wide lens when shot wide open.

Review of the Sigma 14-24mm F2.8 Art Lens

The lens became much sharper at f/8. You can see clear, crisp lines out to the edge of the image.

Review of the Sigma 14-24mm F2.8 Art Lens

At f/16 I found this lens to be even sharper than f/8. Very crisp lines out to the edge of the image.

Review of the Sigma 14-24mm F2.8 Art Lens

At f/22 the lens lost some of its sharpness. This is not unexpected with a lens fully stopped down.

In the Field

Similar to the lab test results above, I cropped images at 1:1 taken in natural lighting conditions to look at the sharpness of this lens. The results showcase sharp images even when taking hand-held photographs.

In particular, you can see the lens is extremely sharp in the middle and how the stars become distorted at the edge of a crop after a long exposure.

Review of the Sigma 14-24mm F2.8 Art Lens

Stars shot with the Sigma 14-24mm. This is a crop at the edge of the lens and you can see due to the long exposure that some star trails are seen. This is due to the distortion that occurs to the image’s edge at 14mm

Review of the Sigma 14-24mm F2.8 Art Lens - sharpness test

This 1:1 crop is at the center of the lens and shows off how sharp this lens is in the middle.

Review of the Sigma 14-24mm F2.8 Art Lens - zoom showing image sharpness

This 1:1 crop of an eagle passing overhead shows good sharpness in the wing edges – even at the edge of the image.

Focus, Accuracy and Speed

As is my experience with other Sigma Art Series lenses, the autofocus is fast, accurate, and does not produce much (if any) noise. This lens integrates a hyper sonic motor (HSM) to pull off the noiseless focus.

A huge benefit of the lens is the small minimum focusing distance of 10 inches. That gives you, the photographer, unlimited options on what foreground element to leave in focus. In low-contrast situations such as a cloudy day the autofocus did not hunt for the subject, and focusing from 10 inches to infinity was very fast.

Shots from the Field

The images below are meant to show off the flexibility of this lens ranging from 14-24mm, the shallow depth of field you can achieve with an open aperture, and its usefulness for different subjects. I’ve featured some landscapes, people, and food that I was able to photograph.

Review of the Sigma 14-24mm F2.8 Art Lens - sun burst between wooden pier

I was really happy to have the maximum f/22 aperture to create brilliant starbursts. This is a nice creative technique for landscapes, and the ability to stop down to f/22 gives flexibility for shooting flowing water as well.

Review of the Sigma 14-24mm F2.8 Art Lens - sunset through a metal ring

The ultra-wide angle and close minimum focusing distance allow you to put foreground elements in perspective.

Review of the Sigma 14-24mm F2.8 Art Lens - b/w photo of a tree

This tree is nearly 50 feet (15m) tall and I needed a wide angle to capture the whole thing. The ultra-wide lens tilted the tree creating a slight distortion which is characteristic of ultra-wide lenses.

Review of the Sigma 14-24mm F2.8 Art Lens - logs near the water

Using the wide-angle to capture a whole scene along the beach. I took this image at 14mm and stopped down to give sharpness to the logs and distant mountains.

sunset over a hill and wooden walkway view - Review of the Sigma 14-24mm F2.8 Art Lens

A ship, sunset, eagle, and beach house captured in a single frame thanks to the wide-angle lens.

Review of the Sigma 14-24mm F2.8 Art Lens - low light photo at a dance

The wide aperture helped me shoot this shot in low light during a local dance.

Review of the Sigma 14-24mm F2.8 Art Lens - food photo

The minimum focusing distance is helpful for food photography and the shallow depth of field can draw your eye to foreground elements.

food shot with beer - Review of the Sigma 14-24mm F2.8 Art Lens

Increasing the f-stop can capture the depth of an entire scene. I found this useful in this food scene to emphasize the food and show off some Alaskan Brewery products, too.

Review of the Sigma 14-24mm F2.8 Art Lens - blue hour

This image was captured at 14mm. The next image was captured at 24mm with the camera mounted in the same position. These images give you insight into the field of view at a wide and ultra-wide focal length.

Review of the Sigma 14-24mm F2.8 Art Lens - blue hour 24mm

This image was captured at 24mm to compare to the 14mm image above.

Pros and Cons of the Sigma 14-24mm F2.8 Lens

Pros:

  1. Close minimum focal distance – I found the 10″ focus distance to be very helpful in creating interesting landscapes and in scenes where a foreground element needed to be emphasized and placed in context with its surroundings.
  2. Fast and accurate autofocus – A solid autofocus system can be a photographer’s best friend!
  3. Flexibility – The 14-24mm zoom range gives you the flexibility to transition between a wide and ultra-wide lens. Effectively replacing two lenses is a huge benefit.

Cons:

  1. Large size – I was pretty surprised at how big the lens is, and it’s worth noting that it will take up quite a bit of space in your kit as well. Fortunately, it can replace an ultrawide and wide lens perhaps saving you space in the longrun.
  2. Lack of sharpness at wide open apertures – The weakest part of this lens is the softness at open apertures. Fortunately, it is a very sharp lens when stopped down.
  3. Aspherical glass – As a landscape photographer I like to use neutral density filters and polarizers to make the most of a scene. The aspherical dome of glass requires carrying a separate filter set.

Final Rating and Product Value

Sigma 14-24m, Review

Overall Rating : 9 out of 10 – this lens provides some excellent features, great build, and overall quality. Sharpness in the center of the image is excellent and the edges maintain sharpness as well.

My main reason for pulling this lens down to a 9 is the size of it. Those looking for a concise and smaller kit may benefit from a prime ultra-wide to decrease the lens bulk in their kit.

The value of this lens on Sigma’s website is $ 1,199 USD (check here for pricing on Amazon). Although that figure seems a bit high, the build quality warrants the price. You also have peace of mind knowing that the lens is effectively replacing the value of two other lenses in your kit.

The post Review of the Sigma 14-24mm F2.8 Art Lens appeared first on Digital Photography School.


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DPReview TV: Tamron 28-75mm F2.8 Di III RXD hands-on field test

17 Jun

The Tamron 28-75mm F2.8 Di III RXD is an affordable F2.8 standard zoom for full frame Sony E-mount cameras. It’s one of the first third-party zooms designed to take full advantage of the short Sony mount, resulting in a small, light carry-everywhere lens. What are the trade-offs, compared with the alternatives? Chris and Jordan take a closer look…

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Articles: Digital Photography Review (dpreview.com)

 
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Samyang officially announces 24mm F2.8 AF lens, available in July for $400

12 Jun

Just a week after we came across leaked images of the lens, Samyang has unveiled its latest Sony autofocus lens, the AF 24mm F2.8 FE.

Samyang calls the lens ‘tiny but wide’—and rightly so. This lens weighs just 93g and measures 37mm from front to back without the hood or rear lens cap. The FE mount means it works with full-frame Sony cameras, including but not limited to the A9 and A7 IIII.

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The optical design of the lens is made up of 7 elements in 7 groups. Three of the optical elements are aspherical lenses and two are high-refractive lenses. The lens also features ‘ultra multi coating’, which helps minimize chromatic aberration and undesired light dispersion.

As the leaked images suggested, the lens features a minimum focusing distance of just 0.24m/0.79ft and has a rubberized focus ring for when you want to take things manual.

The Samyang AF 24mm F2.8, which retails under the brand name Rokinon in the United States, will be available in July for $ 400.

Articles: Digital Photography Review (dpreview.com)

 
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First pictures of rumored Samyang 24mm F2.8 AF lens

05 Jun
Image via Nokishita

Japanese rumor site Nokishita has published images it claims are of the forthcoming, as yet unannounced, Samyang AF 24mm F2.8 lens for the Sony E mount. If accurate, the lens will look very similar to the company’s existing AF 35mm F2.8, and will share its 49mm filter thread.

The lens in the leaked images is marked with a closest focus distance of 0.24m/0.79ft, and features a rubberized close-ribbed focus ring.

There is no word at the moment from Samyang regarding when this lens will appear.

Articles: Digital Photography Review (dpreview.com)

 
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Tamron acknowledges 28-75mm F2.8 Di III RXD autofocus issue

01 Jun

Autofocus issues with Tamron’s new 28-75mm F2.8 for E-mount have been reported by some users, and the company has issued an official acknowledgement of the problems. While there’s no fix just yet, Tamron says it is ‘evaluating the cause of the error’ and researching a solution. The company says it will issue a firmware update, which thanks to the open nature of Sony’s E-Mount standard, users will be able to apply the new firmware directly through the camera.

The issue specifically manifests itself as a complete autofocus freeze or fail, and though Tamron states that it primarily occurs in video shooting, users have reported issues in stills shooting as well. It’s worth noting that in our experience with the lens so far, we have not noticed any focus problems to the degree we’ve seen from users on YouTube.

View our Tamron FE 28-75mm F2.8
sample gallery

We did have a handful of images that were slightly front-focused throughout the course of shooting our sample gallery, but nothing terribly out of the ordinary or resembling a complete focus fail that required restarting the camera or removing and re-mounting the lens.

Notice about 28-75mm F/2.8 Di III RXD (Model A036) Operation

Dear Tamron product users and potential purchasers.

Thank you for your interest in Tamron products.

We would like to announce that we discovered some issues with the auto focus of our new lens, 28-75mm F/2.8 Di III RXD (Model A036) for Sony E-mount, 35mm full-frame mirrorless cameras, released on May 24, 2018. The issues occur primarily when using the camera in video recording mode.

Rest assured, we are evaluating the cause of the error and for the solution to this matter. We expect this issue to be resolved very shortly and we will release a firmware update at that time.

Regarding the firmware updating process, please be assured that the process is accomplished directly through the Sony camera and supported by the Sony firmware updating function. As soon as the process is finalized, we will explain the process in detail on our website.

We sincerely apologize to all users and potential purchasers for any inconvenience this issue may cause.

Articles: Digital Photography Review (dpreview.com)

 
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Tamron 28-75mm F2.8 for E-Mount Sample Gallery

30 May

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The Tamron 28-75mm F2.8 Di III RXD has a lot going for it. It’s sharp, lightweight and at €829 / $ 799, is far cheaper than Sony’s own 24-70mm F2.8 GM. We’ve got our hands on a production model and are putting it through a full review, but in the meantime, we’ve been shooting with it around town to get a feel for its performance.

Take a look through our gallery to see for yourself how the lens lends itself to everything from landscapes to portraits (of both humans and, of course, cats).

Articles: Digital Photography Review (dpreview.com)

 
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Video: Tamron 28-75mm F2.8 FE face and eye-detect autofocus test

18 May

The Tamron 28-75mm F2.8 Di III RXD for Sony FE cameras made a big splash when it was first teased back in February. People were intrigued by its small size and the new Rapid eXtra-silent stepping drive (RXD) AF motor; it even came up in our CP+ interview with Tamron, and we got to see the lens in person at the show.

The lens isn’t going to be officially available for another week; however, photographer David Oastler was able to get his hands on a copy and, while he wasn’t allowed to take photos with it, he was allowed to put it through it’s autofocus paces to see how that RXD motor holds up.

What Oastler really wanted to see is how well the Eye and Face-detect autofocus from the Sony FE body would perform through this third-party lens that was, ostensibly, designed from the ground up to work on this full-frame mirrorless system. While the video isn’t the best quality (a bit of glare) you can still see, and Oastler tells you, that the lens performs exceptionally well. In fact, Oastler goes so far as to say he noticed no performance difference between the Tamron and his own Sony-native lenses.

Tamron promised as much when it released the lens, calling it “quiet, precise, and exceedingly quiet.” But it’s nice to see a real-world test confirm these claims.

We’ll be trying to get our hands on a Tamron 28-75mm F2.8 Di III RXD as soon as humanly possible for our own in-depth testing. But in the meantime, if you’re interested in picking up this $ 800 USD lens when it ships at the end of next week and you want to see how its AF motor performs IRL, check out Oastler’s video at the top.

Articles: Digital Photography Review (dpreview.com)

 
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Venus Optics Laowa 9mm F2.8 Zero-D sample gallery

18 May

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The Laowa 9mm F2.8 Zero-D is an ultra-wide lens for APS-C mirrorless cameras designed with minimal distortion. Available in Canon M, Fujifilm X and Sony E-mount it provides a 13mm equivalent focal length and a surprisingly fast F2.8 maximum aperture, given its wide angle of view. We took an E-mount version of the lens out for a spin on the a6500 – take a look at the results.

See our Venus Laowa 9mm F2.8 Zero-D sample gallery

Articles: Digital Photography Review (dpreview.com)

 
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