FUJIFILM XF 50mm f/1.0 R WR Fujinon APS-C Lens for X-Mount, Black {77}

Model #384343
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Fujifilm XF 50mm f/1.0: the X-mount's fastest autofocus prime.

An f/1.0 maximum aperture on an autofocus mirrorless lens is a genuinely rare thing, and this 50mm delivers exactly what that spec promises: background separation so aggressive it reads almost three-dimensional, and enough light-gathering to work in environments where other primes tap out. On APS-C, the 50mm focal length lands at a 75mm equivalent, right in the portrait sweet spot, and the 9-bladed aperture produces smooth, clean bokeh that reviewers consistently describe as among the best in the XF lineup. Super EBC coating across the 12-element, 9-group optical design keeps flare and ghosting in check even with direct backlighting, and the 11-point weather sealing means you can shoot through light rain or dusty conditions without hesitation when paired with a sealed X-Series body.

Portrait photographers working in controlled studio settings will get the most from this lens. At f/1.0, the plane of focus is razor-thin and the DC autofocus motor is deliberate rather than fast, so it rewards subjects who hold still. Videographers have noted an absence of focus breathing, useful for cinema work that demands consistent framing during focus pulls. The focus ring offers 120 degrees of rotation for precise manual adjustments, which matters enormously when a few millimeters of subject movement at this aperture means the difference between an eye in focus and an eye that isn't. At 845g and 103.5mm in length, this isn't a walk-around lens by X-mount standards, but for studio portraiture and low-light environmental work where that f/1.0 aperture earns its keep, the tradeoff is straightforward.

Key Features

  • f/1.0 maximum aperture with 9-bladed aperture for creamy bokeh
  • 12-element, 9-group optical design with aspherical and ED elements
  • Super EBC coating reduces flare and ghosting in backlit scenes
  • 120-degree focus ring rotation enables precise manual focus control
  • 11-point weather sealing protects against dust and moisture ingress
  • DC autofocus motor with -7EV low-light focusing capability on compatible bodies
  • Minimal focus breathing makes it suitable for cinema applications
  • 77mm filter thread with included hood

FAQ

What's the equivalent focal length on Fujifilm X-mount cameras?
The 50mm focal length equals approximately 75mm in full-frame equivalent on APS-C sensors found in X-Series bodies, placing it in the classic portrait range.
How sharp is this lens at f/1.0?
Wide-open sharpness is soft, with noticeable improvement starting around f/1.4 and reaching its sweet spot by f/2.8. Longitudinal chromatic aberration (magenta/green fringing) is visible at f/1.0 and f/2.0 but diminishes significantly when stopped down to f/2.0 and beyond.
How fast is the autofocus?
The DC motor autofocus is deliberately slow, requiring roughly 0.8 to 1 second for a full focus rack from minimum distance to infinity. It's well-suited for studio and static subjects but can struggle with moving subjects or candid work.
Does this lens have image stabilization?
No, the XF 50mm f/1.0 has no in-lens stabilization. Fujifilm reserves IS for zoom lenses and a few longer primes.
What's the bokeh quality like?
Bokeh is smooth and creamy with minimal onion-ring or soap-bubble effects wide-open. Cat's eye distortion appears at apertures wider than f/2.0 and is mostly gone by f/2.0. The 9-bladed aperture produces subtle polygonal shapes starting around f/2.8 or narrower.
Is there focus breathing during video?
No, this lens exhibits no visible focus breathing, making it unusually useful for cinema work requiring consistent framing during focus pulls.
How weather-resistant is this lens?
The lens has 11 sealing points protecting control rings, component joins, and the lens mount. It's weather-sealed for dust and moisture resistance and rated for use down to 14°F (-10°C), though sealing is most effective when paired with a sealed camera body.
SpecificationValue
SensorAPS-C
ResolutionNone
MountFujifilm X
Max Aperture1.0
Aperture Min16
Filter Size Mm77
Lens FormatAPS-C
Angle Of View Degrees31.7
Min Focusing Distance2.3 ft / 70 cm
Optical Groups9
Optical Elements12
Length Mm103.5
Max Diameter Mm87
Weight G845
Weight Lb1.86
Package Weight Lb2.81
Box Dimensions Inches8.3 x 5.8 x 5.6

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 77mm
Focus Type Autofocus (lens motor)
Lens Mount Fuji XF Digital
Lens Type Short Tele / Portrait
Max Focal Length 50mm
Min Focal Length 50mm

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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