Fujinon GF 20-35mm f/4 R WR

 
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Updates:
02/01/2023: Gallery Images added
02/15/2023: Hands-on Review added

Fujinon GF 20-35mm F4 R WR Hands-on Review

Does Fuji's latest lens deliver the high performance we've come to expect from GF zoom lenses?

by Jeremy Gray | Posted 02/15/2023

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 31mm (25mm equiv.), F11, 1/3s, ISO 100.
This image has been converted and processed to taste in Adobe Camera Raw. Click for the full-size image. Click here for the RAW file.

The Fujinon GF 20-35mm F4 R WR is the 14th lens in the GFX system, not counting the 1.4x teleconverter. It's also the widest yet. The GF 23mm F4 R LM WR prime lens has been the widest lens for the GFX medium-format system since spring 2017, so GFX users have been clamoring for something wider for a long time. The wait has been worth it.

The GF 20-35mm F4 offers a 16-28mm equivalent focal length (35mm equivalency), which makes it the GFX's answer to popular landscape and architecture zoom lenses like the 14-24mm F2.8, 16-35mm F2.8, and 15-35mm F2.8. While not offering quite the same light-gathering capabilities as those full-frame lenses, the GF 20-35mm F4 is a relatively fast lens for medium-format and is unlike any zoom lens available for other medium-format camera systems.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 33mm (26mm equiv.), F10, 1.3s, ISO 100.
This image has been converted and processed to taste in Adobe Camera Raw. Click for the full-size image. Click here for the RAW file.

Given its $2,499 price tag, it's fair to expect a lot from the new GF 20-35mm F4 R WR lens. The lens also has a lofty standard to live up to, as other GF zoom lenses, like the popular GF 32-64mm F4, have been fantastic. Can the GF 20-35mm F4 deliver the goods? Let's find out.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 26mm (21mm equiv.), F8, 1/3s, ISO 100.
Winter is "snow" problem for the GF 20-35mm. This image has been converted and processed to taste in Adobe Camera Raw. Click for the full-size image. Click here for the RAW file.

Fuji GF 20-35mssm F4 R WR Key Features and Specs

  • The widest lens in the Fujifilm GFX system
  • 16-28mm (35mm equivalent) focal length
  • Aperture range: F4 to F22
  • Minimum focus distance: 35cm (13.8 in.)
  • Max magnification: 0.14x
  • 14 elements in 10 groups
  • Includes 3 extra-low dispersion elements and 1 aspherical ED element
  • Internal focusing design
  • Uses linear AF motor
  • Weather-resistant design, including fluorine coating on front element
  • Dedicated aperture control ring
  • Rounded 9-bladed aperture diaphragm
  • Dimensions (D x L): 88.5 x 112.5mm (3.5 x 4.43 in.)
  • Weighs 725g (25.6 oz.)
  • 82mm filter thread
  • Sold with detachable lens hood and soft case
  • $2,499 list price
Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 20mm (16mm equiv.), F11, 10s, ISO 100.
This image has been converted and processed to taste in Adobe Camera Raw. Click for the full-size image. Click here for the RAW file.

Lens design and handling: Fujifilm GF 20-35mm is another well-designed GF lens

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Product Image
The GF 20-35mm F4 R WR is a simple but stylish GF zoom lens.

At first glance, the GF 20-35mm F4 R WR looks much like the popular GF 32-64mm F4 R LM WR. Each lens has a nearly uniform diameter for the entire barrel, is roughly the same length, includes the same triad of rings (aperture, zoom, and focus), and sports a stylish yet simple semi-matte black finish. The lens hoods are different, with the wider GF 20-35mm, including a shorter petal-shaped hood, but other than that, the lenses look very similar.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Product Image
The GF 20-35mm F4 R WR (left) versus the GF 32-64mm F4 R LM WR at its max length (right)

That's not a bad thing. The GF 32-64mm F4 is a reasonably compact, not all-that-heavy medium-format zoom lens with good weather resistance and pro-level build quality. The GF 20-35mm F4 delivers more of the same. The GF 20-35mm lens is 112.5mm (4.4 in.) long, and its max diameter is 88.5mm (3.5 in.). The GF 32-64mm is 116mm (4.6 in.) long with a 92.6mm (3.7 in.) diameter. The GF 20-35mm F4 is lighter, weighing 725g (1.6 lbs). The GF 32-64mm is 875g (1.9 lbs). The GF 20-35mm uses an 82mm filter thread, whereas the GF 32-64mm accepts 77mm filters. Also, the GF 20-35mm F4 incorporates an internal zoom design, meaning its length doesn't change as you zoom, unlike the GF 32-64mm which changes length as the focal length changes.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Product Image
The GF 20-35mm F4 R WR (left) versus the GF 32-64mm F4 R LM WR at minimum length (right)

What about the GF 23mm F4, the natural competitor for the GF 20-35mm F4? The GF 23mm F4 is 103mm (4.1 in.) long and 89.8mm (3.5 in.) in diameter. It weighs 845g (1.9 lbs) and accepts 82mm filters. It's impressive that the GF 20-35mm F4 lens is roughly the same size and lighter than the GF 23mm F4 despite being a zoom lens with a wider focal length and the same F4 aperture.

I've long been a fan of the "standard" GF lens design, especially regarding the zoom lenses. They're simple yet functional. The dedicated aperture ring is always a welcome inclusion. It has markings at F4, 5.6, 8, 11, 16, and 22, plus A and C positions for automatic aperture and custom aperture as controlled by the command dial on your camera. Next is the zoom ring, which is wide and rotates with nearly perfect tension. The zoom ring has markings at 20, 25, 30, and 35mm. Next to the zoom ring, with absolutely no room on the barrel to spare, is the focus ring. Perhaps it's because my GF 32-64mm F4 is a launch unit and has been heavily used, but the focus ring on the GF 20-35mm feels a bit better, delivering more stiffness than many other GF lenses I've used. I like that – it makes focusing manually a bit better.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Product Image

The GF 20-35mm F4 R WR lens ships with a petal-shaped lens hood, which, as is always the case with GF lenses, is rugged and includes a high-quality locking mechanism. The lens always ships with a protective lens pouch.

The weather-resistant lens is extremely well-built, delivering a pro-quality feel fitting of a $2,500 lens. It doesn't break any new ground in the design department for GF lenses, but it doesn't need to. It looks good, feels great, and is built to last.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 26mm (21mm equiv.), F11, 1.2s, ISO 1600.
Winter is "snow" problem for the GF 20-35mm. This image has been converted and processed to taste in Adobe Camera Raw. Click for the full-size image. Click here for the RAW file.

Image quality: Superb sharpness

The GF 20-35mm F4 lens includes 14 elements organized across 10 groups. Among these 14 elements are three extra-low dispersion elements and a single aspherical ED element. The lens includes a rounded nine-blade aperture diaphragm.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 20mm (16mm equiv.), F11, 0.8s, ISO 100.
This image has been converted and processed to taste in Adobe Camera Raw. Click for the full-size image. Click here for the RAW file.

All the crops seen below are 100 percent crops from raw image files converted in Adobe Camera Raw using default settings and built-in lens correction profiles enabled. I have selected specific images to show, but you can download the full-size raw files for each test scene and aperture in the Gallery.

20mm

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 20mm (16mm equiv.), F4, 1/600s, ISO 100.
20mm sharpness test shot - F4. This image has been converted in Adobe Camera Raw using built-in lens corrections. Click for the full-size image. Click here for the RAW file.

At 20mm, the GF 20-35mm's widest focal length, and the widest focal length of any native Fujinon GF lens, the wide-angle zoom lens delivers outstanding center sharpness, even when shooting wide open. The detail in the center, and much of the frame, is extremely high.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 20mm (16mm equiv.), F4, 1/600s, ISO 100.
20mm sharpness test shot - F4 - 100% center crop. This image has been converted in Adobe Camera Raw using built-in lens corrections. Click for the full-size image. Click here for the RAW file.

In this situation, the corner performance could be better, especially relative to longer focal lengths. However, when you stop down to F5.6, sharpness noticeably improves. At F8, the extreme corner sharpness is better still. I recommend stopping down for landscape photography or any situation requiring detail across the entire frame. However, stopping down beyond F11 or maybe F13 can result in some diffraction-induced softness.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 20mm (16mm equiv.), F4, 1/600s, ISO 100.
20mm sharpness test shot - F4 - 100% bottom right corner crop. This image has been converted in Adobe Camera Raw using built-in lens corrections. Click for the full-size image. Click here for the RAW file.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 20mm (16mm equiv.), F5.6, 1/300s, ISO 100.
20mm sharpness test shot - F5.6 - 100% bottom right corner crop. This image has been converted in Adobe Camera Raw using built-in lens corrections. Click for the full-size image. Click here for the RAW file.
 
Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 20mm (16mm equiv.), F8, 1/150s, ISO 100.
20mm sharpness test shot - F8 - 100% bottom right corner crop. This image has been converted in Adobe Camera Raw using built-in lens corrections. Click for the full-size image. Click here for the RAW file.

You may also notice that at F4, and to a lesser extent at F5.6, there's darkening in the corner (vignette). While the built-in lens correction profiles don't totally alleviate this, you can deal with the issue manually. It's a straightforward fix.

27mm

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 27mm (22mm equiv.), F4, 1/600s, ISO 100.
27mm sharpness test shot - F4 - 100% center crop. This image has been converted in Adobe Camera Raw using built-in lens corrections. Click for the full-size image. Click here for the RAW file.

At 27mm, which is just about halfway through the zoom range, sharpness at F4 is again excellent. The lens is so sharp in the center of the frame. Fujifilm has done a great job.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 27mm (22mm equiv.), F4, 1/600s, ISO 100.
27mm sharpness test shot - F4 - 100% center crop. This image has been converted in Adobe Camera Raw using built-in lens corrections. Click for the full-size image. Click here for the RAW file.
 
Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 27mm (22mm equiv.), F5.6, 1/320s, ISO 100.
27mm sharpness test shot - F5.6 - 100% center crop. This image has been converted in Adobe Camera Raw using built-in lens corrections. Click for the full-size image. Click here for the RAW file.
 
Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 27mm (22mm equiv.), F8, 1/160s, ISO 100.
27mm sharpness test shot - F8 - 100% center crop. This image has been converted in Adobe Camera Raw using built-in lens corrections. Click for the full-size image. Click here for the RAW file.

Corner performance is better at 27mm than at 20mm, although there's still a bit of vignette. Regarding sharpness, F4 isn't bad, F5.6 is better, and F8 is even better.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 27mm (22mm equiv.), F4, 1/600s, ISO 100.
27mm sharpness test shot - F4 - 100% bottom right corner crop. This image has been converted in Adobe Camera Raw using built-in lens corrections. Click for the full-size image. Click here for the RAW file.
 
Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 27mm (22mm equiv.), F5.6, 1/320s, ISO 100.
27mm sharpness test shot - F5.6 - 100% bottom right corner crop. This image has been converted in Adobe Camera Raw using built-in lens corrections. Click for the full-size image. Click here for the RAW file.
 
Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 27mm (22mm equiv.), F8, 1/160s, ISO 100.
27mm sharpness test shot - F8 - 100% bottom right corner crop. This image has been converted in Adobe Camera Raw using built-in lens corrections. Click for the full-size image. Click here for the RAW file.

35mm

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 35mm (28mm equiv.), F4, 1/550s, ISO 100.
35mm sharpness test shot - F4 - 100% center crop. This image has been converted in Adobe Camera Raw using built-in lens corrections. Click for the full-size image. Click here for the RAW file.

Surprise, the lens is still great at 35mm. In fact, it's even better. The center of the frame at F4 is sharp, but the corner performance is also quite sharp. There's vignette, yes, but the level of detail in the extreme corner of the frame is really impressive for a wide-angle zoom lens.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 35mm (28mm equiv.), F4, 1/550s, ISO 100.
35mm sharpness test shot - F4 - 100% center crop. This image has been converted in Adobe Camera Raw using built-in lens corrections. Click for the full-size image. Click here for the RAW file.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 35mm (28mm equiv.), F4, 1/550s, ISO 100.
35mm sharpness test shot - F4 - 100% bottom right corner crop. This image has been converted in Adobe Camera Raw using built-in lens corrections. Click for the full-size image. Click here for the RAW file.

When you stop down, performance improves. At F8, the corner is almost as sharp as the center of some wide-angle zoom lenses I've tested over the years. It's really quite impressive.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 35mm (28mm equiv.), F5.6, 1/320s, ISO 100.
35mm sharpness test shot - F5.6 - 100% center crop. This image has been converted in Adobe Camera Raw using built-in lens corrections. Click for the full-size image. Click here for the RAW file.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 35mm (28mm equiv.), F5.6, 1/320s, ISO 100.
35mm sharpness test shot - F5.6 - 100% bottom right corner crop. This image has been converted in Adobe Camera Raw using built-in lens corrections. Click for the full-size image. Click here for the RAW file.
 
Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 35mm (28mm equiv.), F8, 1/160s, ISO 100.
35mm sharpness test shot - F8 - 100% center crop. This image has been converted in Adobe Camera Raw using built-in lens corrections. Click for the full-size image. Click here for the RAW file.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 35mm (28mm equiv.), F8, 1/160s, ISO 100.
35mm sharpness test shot - F8 - 100% bottom right corner crop. This image has been converted in Adobe Camera Raw using built-in lens corrections. Click for the full-size image. Click here for the RAW file.

Aberrations

The GF 20-35mm F4 R WR exhibits strong control over aberrations throughout the entire zoom range, even when shooting wide open. You'll be hard-pressed to find any, frankly. The bigger issue isn't due to the lens, but the GFX 50S' sensor – you'll have to contend with moiré when photographing subjects with small, repeating patterns. With a wide-angle lens like the GF 20-35mm F4, details can be smaller in the frame, meaning that you might run into moiré even more often. Consider the bricks in the building in the center of the sharpness test shots, for example. There's quite a bit of moiré there. You know, the artifacts would be less noticeable if the lens wasn't so sharp, but them's the breaks.

A note on distortion

The GF 20-35mm F4 R WR, like all Fujinon GF lenses, includes built-in lens correction profiles that are automatically applied in some photo editors, including Lightroom and Adobe Camera Raw. These profiles are excellent, dealing adequately with distortion. To that end, the GF 20-35mm F4 exhibits minimal distortion. However, if you insist on disabling the lens correction profiles, for whatever reason, there's moderately high barrel distortion at 20mm and pincushion distortion at 35mm. If you want to see it for yourself, download some raw files and play around.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 35mm (28mm equiv.), F4, 1/40s, ISO 100.
This image has been converted and processed to taste in Adobe Camera Raw. Click for the full-size image. Click here for the RAW file.

Someday soon I hope to write about built-in lens correction profiles and why they're a critical part of modern lens design, but until then, I'll leave it at this: The GF 20-35mm F4 R WR lens exhibits minimal distortion throughout its focal length when used in conjunction with Fujifilm's built-in lens correction profiles, which are, of course, part of the modern lens design process. Keep the profiles enabled, and you're good. Disable them, and you'll need to manually correct the distortion.

Astrophotography

An F4 max aperture isn't typically what I'd consider ideal for astrophotography, but options are limited with a medium-format system such as the GFX. That said, F4 is still usable for night sky photography, although results won't quite match those from a faster full-frame lens, like an F1.4, 1.8, or 2.8 prime. The ISO you'll need to use to achieve acceptable results varies significantly between an F1.8 lens and an F4 lens.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 22mm (18mm equiv.), F4, 10s, ISO 10000.
Click for the full-size image. Click here for the RAW file.

On the plus side, the GF 20-35mm F4 lens delivers great control over comatic aberrations. Circular stars truly appear circular in the frame, even in the corners. However, some brighter stars can have slightly irregular shapes when viewed at 100%, although the performance here is still quite impressive.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 22mm (18mm equiv.), F4, 10s, ISO 10000.
100% crop. Click for the full-size image. Click here for the RAW file.
Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 22mm (18mm equiv.), F4, 10s, ISO 10000.
100% crop. Click for the full-size image. Click here for the RAW file.

I'm confident that if someone had access to a motorized platform to match the rotation of the Earth, they could achieve some spectacular results with the GF 20-35mm and a GFX series camera. If not, like me, you'll need to live with high ISO.

Image quality summary

The GF 20-35mm F4 lens delivers amazing image quality. The lens is extremely sharp, even when shooting wide open. The only real drawback is some lack of sharpness at F4 in the extreme corners at 20mm. Frankly, even that complaint is nitpicky because no lens will be perfect across the entire frame, especially when the image area is so large. It's all relative. Compared to many wide-angle zoom lenses, the GF 20-35mm F4's corner performance is good, even though there's a noticeable loss of sharpness compared to the center of the frame. The GF 20-35mm F4 is among the best in a long line of extremely impressive GF lenses.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 35mm (28mm equiv.), F9, 1/9s, ISO 100.
This image has been converted and processed to taste in Adobe Camera Raw. Click for the full-size image. Click here for the RAW file.

In the field: Autofocus performance depends a bit on your camera, but the lens is swift

The GF 20-35mm F4 lens uses a linear autofocus motor. The resulting focusing performance is good. The lens is swift and nearly silent when focusing. My experience was using the contrast-detect AF system on the GFX 50S, which is a pretty sluggish AF system, so the experience should be even better on a GFX 100 or GFX 100S camera, which uses a hybrid autofocus system that is much quicker.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 30mm (24mm equiv.), F11, 5s, ISO 100.
This image has been converted and processed to taste in Adobe Camera Raw. Click for the full-size image. Click here for the RAW file.

The minimum focusing distance is 35cm (13.8 in.), resulting in a max magnification of 0.14x at 35mm. It's not a macro lens, but it can focus plenty close to incorporate nearby foreground elements into your images.

Who is the lens for?

The GF 20-35mm F4 lens is well-suited to landscape, travel, and architectural photographers. It's a bit too wide for many portrait situations, nor is it fast enough for most portraits anyways. Still, it's fast enough for stationary subjects and situations when you don't need to achieve a shallow depth of field – such as landscapes.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 35mm (28mm equiv.), F11, 6.5s, ISO 100.
This image has been converted and processed to taste in Adobe Camera Raw. Click for the full-size image. Click here for the RAW file.

Alongside the GF 32-64mm F4, a great standard zoom lens, the GF 20-35mm F4 is probably the GFX system's most interesting lens for landscape photography thanks to its versatile, very wide focal length range and 82mm filter thread.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 30mm (23mm equiv.), F13, 2.1s, ISO 100.
This image has been converted and processed to taste in Adobe Camera Raw. Click for the full-size image. Click here for the RAW file.

How it compares

Within the GFX system, the GF 20-35mm F4 lens will fight for a spot in photographers' kits primarily against the GF 23mm F4 prime. Compared to that lens, the GF 20-35mm's most obvious advantage is that it's a zoom lens. Another advantage is that it offers an even wider field of view. Both lenses include an 82mm filter thread, but the GF 20-35mm lens is slightly longer (113mm versus 103mm). The GF 20-35mm is lighter at 725g versus 845g.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 21mm (17mm equiv.), F13, 1/3s, ISO 100.
This image has been converted and processed to taste in Adobe Camera Raw. Click for the full-size image. Click here for the RAW file.

When it comes to sharpness, what's the story? The GF 20-35mm F4 lens goes toe-to-toe with the prime lens. The prime is slightly better in the extreme corners, at least when considering 20mm versus 23mm and shooting wide open, but that's about it. Otherwise, the lenses are nearly indistinguishable, both delivering fantastic performance. The GF 20-35mm F4 is also $100 cheaper, so there's that going for it, too.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 35mm (28mm equiv.), F11, 1/7s, ISO 1600.
Winter is "snow" problem for the GF 20-35mm. This image has been converted and processed to taste in Adobe Camera Raw. Click for the full-size image. Click here for the RAW file.

The GF 20-35mm F4 lens also competes against the GF 30mm F3.5 lens ($1,699). The GF 30mm F3.5's main advantage is that it's a bit faster, lighter, and $800 cheaper. It suffers from the same issue as the GF 23mm prime, of course, a lack of flexibility. It's also equivalent to a 24mm lens, which isn't all that wide for photographers itching for an expansive field of view.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 20mm (16mm equiv.), F10, 0.6s, ISO 100.
This image has been converted and processed to taste in Adobe Camera Raw. Click for the full-size image. Click here for the RAW file.

Overall, looking at the GFX system, there's no better wide-angle lens than the GF 20-35mm F4 R WR. Typically, you make some compromise regarding image quality when opting for a zoom lens over a prime, but in the case of the GF 20-35mm F4, there isn't one.

Fujinon GF 20-35mm F4 R WR Hands-on Review Summary

An excellent wide-angle zoom lens for GFX owners

What I like best:

  • Great build quality
  • Surprisingly lightweight and not that large
  • Extremely sharp
  • Strong control over aberrations
  • Best overall wide-angle lens for the GFX
Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 35mm (28mm equiv.), F10, 1/40s, ISO 100.
This image has been converted and processed to taste in Adobe Camera Raw. Click for the full-size image. Click here for the RAW file.

What I dislike:

  • Some issues with the extreme corners at 20mm F4
  • Moderately expensive
  • F4 isn't ideal for astrophotography

The Fujinon GF 20-35mm F4 R WR is nearly the perfect landscape lens. It's weather-resistant, not all that heavy, accepts screw-on filters, and delivers outstanding sharpness across the frame. Fujifilm has built another winner for its GFX system. Not only is the GF 20-35mm a great lens, but it's filling one of the largest remaining voids in the GFX lens lineup. It's been a long time coming, but the GF 20-35mm F4 was worth the wait.

Fujinon GF 20-35mm F4 R WR Review: Hands-on Review -- Gallery Image
Shot on Fujifilm GFX 50S at 20mm (16mm equiv.), F10, 0.9s, ISO 100.
This image has been converted and processed to taste in Adobe Camera Raw. Click for the full-size image. Click here for the RAW file.

 

• • •

 

Product Overview

(From Fujifilm lens literature)Valhalla, N.Y., September 8, 2022 – FUJIFILM North America Corporation is pleased to announce the launch of FUJINON GF20-35mmF4 R WR lens (GF20-35mmF4 R WR), a compact and lightweight, ultra wide-angle (UWA) zoom lens for GFX System cameras.

GF20-35mmF4 R WR’s focal length ranges from the UWA at 20mm to the wide-angle at 35mm (equivalent to 16mm – 28mm in the 35mm format). With the UWA coverage, the lens can freeze information-dense subject matters such as a wide landscape or cityscape with precise details in high resolution, powered by the large-format sensor1 in the GFX System.

“Photographers will be able to expand creative horizons with what is now our widest GF lens, with numerous options to beautifully freeze every detail in landscape, travel and architecture photography. It also has the added convenience of a constant F4 maximum aperture throughout its focal range, which ensures exposure consistency and fast, accurate autofocusing regardless of the focal length,” said Victor Ha, vice president of the Electronic Imaging and Optical Device Divisions, FUJIFILM North America Corporation. “Unlike traditional large-format photography gear which is heavy and bulky, the compact and lightweight design of GF20-35mmF4 R WR enables mobility for photographers on-the-go.”

Main product features:

UWA zoom lens offering premium image quality

The optical construction of GF20-35mmF4 R WR comprises 14 elements in ten groups, including three aspherical, one ED aspherical and three ED elements, for effective control of distortion and chromatic aberration. With these elements, the lens delivers high-resolution images of up to 100-megapixels with edge-to-edge sharpness at all focal lengths and aperture settings. The optical quality is further ensured through Fujifilm’s unique, Nano GI coating technology, which cuts down reflected light to minimize ghosting and flare, boosting sharpness, color and detail.

Compact design that brings mobility to large format equipment

Measuring just 4.4 inches (112.5mm) and weighing 25.6 oz. (725g), GF20-35mmF4 R LM WR has the filter thread size of 82mm despite being an UWA zoom lens, which allows photographers the versatility of choosing a variety of filters when creating landscape images. In addition, GF20-35mmF4 R WR uses an internal zoom mechanism, so its physical length and weight remain constant at every focal length.

A total of four aspherical elements are used in each of the lens groups to optimize the overall number of elements and their configuration, thus efficiently correcting aberrations to maintain advanced image quality while keeping the compact form factor. The concave lens surface of strong curvature, typically seen in UWA lenses, is applied with a specialized coating with even thickness to minimize ghosting.

As part of the design construction, magnesium alloy is used for components around the lens mount to make it lightweight and robust at the same time.

Rugged design for all conditions

Like all FUJIFILM G Mount lenses, GF20-35mmF4 R WR features a weather-resistant design with 12 sealed points protecting the lens from dust and moisture, while also keeping it functioning in temperatures as low as 14°F (-10°C). The front lens element is applied with fluorine coating to repel water, fingerprints and other marks.

Pricing and Availability

GF20-35mmF4 R WR is expected to be available in early October 2022, at a manufacturer’s suggested retail price of $2,499.95 USD and $3,200 CDN.

1. Fujifilm’s GFX System products incorporate a large-format sensor that measures 55mm diagonally (43.8mm x 32.9mm) and is approximately 1.7 times larger than a 35mm full-frame sensor.

Fujinon GF 20-35mm f/4 R WR

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