FUJIFILM Fujinon GF 20-35mm f/4 R WR Autofocus Lens for G-Mount, Black {82}

Model #389081
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GF 20-35mm f/4 WR: the GFX system's widest zoom

Landscape and architecture photographers shooting the GFX system have had one persistent gap in their kit: a wide zoom that matches the resolving demands of medium format sensors. The GF 20-35mm f/4 R WR fills it. At 16-28mm equivalent (35mm format), this is the widest zoom Fujifilm makes for G Mount, and its 108° 76' angle of view gives you the expansive framing that large-format landscape work demands, without the commitment of a single focal length.

The optical formula runs 14 elements across 10 groups, including aspherical and ED elements that keep aberrations in check across the full zoom range, even at f/4. Nano GI coating cuts flare and ghosting in high-contrast scenes, shooting into sun over water or against bright architectural facades, and the fluorine coating on the front element sheds rain and fingerprints in stride. With 12 sealed points and operation rated down to 14°F (-10°C), this lens handles field conditions that would send lesser glass back to the bag. Internal zoom keeps the barrel length fixed at 72mm and the weight at 725g, which matters when you're hiking to a pre-dawn location.

Reviews consistently found its sharpness competitive with the GF 23mm f/4 prime across most of the frame, a real statement for a zoom covering this range. The constant f/4 aperture, 9-blade rounded diaphragm, and 35cm minimum focus distance round out a lens built for architecture, travel, and serious landscape shooters who need one wide tool that does the work of several.

Key Features

  • 14 elements across 10 groups with aspherical and ED elements for aberration control
  • 20-35mm focal length (16-28mm equivalent) with 108° 76' angle of view
  • Constant f/4 maximum aperture with 9-blade rounded diaphragm for consistent exposure
  • Internal zoom mechanism keeps barrel fixed at 72mm and weight at 725g
  • 12 sealed points and fluorine front coating rated to 14°F weather operation
  • 35cm minimum focus distance with stepping motor autofocus
  • Nano GI coating reduces flare and ghosting in high-contrast scenes

FAQ

What's the effective focal length on a GFX camera?
16-28mm equivalent in 35mm terms. The GFX sensor is 1.7x larger than full-frame, so the 20-35mm range delivers the widest zoom available for the G Mount system.
How does sharpness compare to the GF 23mm f/4 prime?
Nearly indistinguishable across the frame. Independent testing found the zoom matches the prime's performance, with the prime holding only a marginal edge in extreme corners at 20mm wide open. You're not sacrificing image quality for zoom flexibility.
Will this lens work in bad weather?
Yes. Twelve sealed points throughout the barrel, fluorine coating on the front element, and operation rated to 14°F (-10°C) make it genuinely weather-resistant. The internal zoom mechanism keeps the barrel length fixed at 72mm regardless of conditions.
What's the weight and size compared to full-frame wide zooms?
725g at 112.5mm long-comparable to full-frame 14-24mm or 16-35mm zooms, despite being a medium-format lens. Internal zoom keeps it compact for field hiking.
Does autofocus work well across the entire zoom range?
Yes. Constant f/4 aperture and stepping motor deliver fast, near-silent focus down to 35cm minimum focus distance at any focal length. Minimal focus breathing ensures framing consistency throughout the range.
What optical elements control aberrations?
14 elements in 10 groups including three ED elements, one ED aspherical, and three aspherical elements. Nano GI coating cuts flare and ghosting; the optical formula keeps chromatic aberration and distortion controlled across the full 20-35mm range.
Can I use standard filters?
Yes, 82mm thread. The front element's fluorine coating handles water and fingerprints without additional protection, but standard ND and polarizers work normally.
SpecificationValue
SensorMedium Format
ResolutionNone
MountFujifilm G
Weight725 g / 25.6 oz
Focal Length20-35mm
Max Aperturef/4
Filter Size82mm
Min Focus Distance35 cm / 13.8 in
Focal Length Equivalent16-28mm (35mm equivalent)
Aperture Minf/22
Aperture Blades9
Aperture Blade TypeRounded diaphragm
Aperture Step Size1/3 EV (16 steps)
Lens Elements14
Lens Groups10
Angle Of View108° 76'
Length72 mm / 2.8 in
Max Diameter88.5 mm / 3.5 in
Weather ResistantYes
Fluorine CoatingYes
CoatingsNano GI coating, Fluorine water-repellent coating

This description was generated using AI based on KEH's internal product standards, product expertise, and knowing what customers care about most. While we strive for accuracy, details may vary by individual item.

Brand Name Fuji
Filter Size 82mm
Focus Type Autofocus (lens motor)
Lens Mount Fuji G
Lens Type Ultrawide
Max Focal Length 35mm
Min Focal Length 20mm

Learn what to expect from each condition, cosmetically. Images are representative of each grade and may not show the exact item you receive. All equipment is guaranteed to work as intended, unless otherwise noted. We also occasionally offer items that fall .

Exceptions


New
New in box complete with manufacturer's USA warranty. Not previously owned or used.
Like New
Essentially new with no signs of use. “Open box.” In manufacturer's packaging with original accessories and instructions. 180-day warranty.
As Is
Non-functional or damaged. Equipment will not work. Usable for parts. Not covered under KEH warranty and non-returnable.

Like New Minus

Like New Minus
Like New Minus

Like New Minus

Barely used with virtually no traces of wear. Only the closest inspections will reveal slight use. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.

Excellent Plus

Excellent Plus
Excellent Plus

Excellent Plus

Lightly used with limited signs of wear. Exceptionally nice but may have slight wear on finish visible. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.

Excellent

Excellent
Excellent

Excellent

Noticeably used with average signs of wear. Shows moderate wear for the age of the item, with the possibility of blemishes and/or minimal dings. Lens glass may have average dust and zoom/focus ring tension may have slight looseness or tightness overall, but will not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.

Bargain

Bargain
Bargain

Bargain

Frequently used with above-average wear. May have dents, dings, or finish loss. Lens glass may have small scratches, dust, and blemishes, and zoom/focus ring tension may have moderate looseness or tightness overall, but should not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.

Ugly

Ugly
Ugly

Ugly

Heavily used with extensive visible wear. Equipment is rough, with multiple impressions in the finish, excessive finish loss and brassing. Glass will have marks, fungus and/or heavy/cloudy haze which could affect picture quality. Accessories usually not included, unless noted in listing. Not covered under KEH warranty.

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