Fujifilm

Fujifilm 16534728 Fujinon WCL-X100 B II Wide Conversion Lens

4.4 (52 reviews)

Open up to 28mm equivalent coverage on your X100F without breaking the fixed-lens aesthetic — street-ready wide conversion with no aperture penalty.

$399.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Fujinon WCL-X100 B II is a telephoto-to-wide optical conversion element designed exclusively for the Fujifilm X100 series, translating the fixed 23mm lens (35mm equivalent) to a 28mm equivalent field of view via a 0.8x multiplication factor. For street and travel photographers, that 7mm shift in equivalent focal length is significant: 28mm pulls more of the scene into frame, handles tighter interiors without distortion excess, and gives environmental portraits the breathing room that 35mm sometimes denies. The critical engineering achievement here is that the conversion occurs with no aperture penalty — your X100F's f/2 maximum aperture remains f/2, keeping the lens fast for available-light situations where the X100 series has always excelled. The camera's automatic lens recognition means the optical viewfinder framelines reposition to match the new field of view, so you're composing accurately without guesswork.

In the field, the WCL-X100 B II adds a meaningful but not burdensome amount of length to the X100F's profile. The camera retains its discreet, rangefinder-esque appearance — it's still a camera that doesn't announce itself the way a mirrorless body with a large prime does. Build quality is in keeping with Fujifilm's premium accessory line: metal construction, tight tolerances, no play in the mount. Center sharpness is the story here — Fujifilm's optical team optimized for the subjects X100 photographers actually shoot, and the rendering in the center two-thirds of the frame is consistently praised. Stop down to f/4 and the full frame holds up for architectural and landscape work. For an X100F owner who finds themselves wishing for wider coverage on interior assignments, documentary sequences, or urban landscape work, this lens closes that gap without compromising the camera's core identity.

Key Features

For use with the Fujifilm X100F

Multiplies the fixed focal length by approx. 0.8x, converting it to 28mm (35mm format equivalent)

Premium picture quality without having to change the F stop value

X100F automatically recognizes when a conversion lens is mounted

Specifications

Model
Fujinon WCL-X100 B II
Compatibility
Fujifilm X100F
Focal Length Multiplier
Approx. 0.8x
Equivalent Focal Length (35mm format)
28mm
Features
Premium picture quality, Automatic camera recognition

Pros & Cons

👍 Pros

  • 0.8x conversion to 28mm equivalent opens dramatically wider environmental context for street, travel, and documentary work without switching cameras or bodies.
  • No aperture penalty means you retain the X100F's fast f/2 maximum aperture at the wider focal length — critical for available-light shooting where you can't afford to lose a stop.
  • Automatic camera recognition shifts the optical viewfinder framelines and writes accurate EXIF data, keeping the shooting workflow seamless and native-feeling.
  • Compact form factor adds minimal bulk to the X100F, preserving the camera's discreet street-shooting profile that makes it effective in candid situations.
  • Premium Fujinon optical construction maintains center-frame sharpness that holds up in demanding subjects like architecture and tight urban geometry.

👎 Cons

  • Corner sharpness at wide apertures (f/2–f/2.8) shows the expected softness of an add-on conversion element — not a camera you'd use for critical wide-open architectural corner detail at 28mm.
  • Adds physical length to the X100F's lens assembly, making the camera less pocketable and more conspicuous than the bare body.
  • Compatibility is confirmed for the X100F; users with earlier X100 bodies should verify whether automatic recognition functions correctly on their specific generation.
  • No filter thread built in — requires a separately purchased adapter ring to use ND or polarizer filters, adding cost and another piece to manage in the field.

Frequently Asked Questions

The WCL-X100 B II is designed for the X100 series and the X100F in particular. Earlier X100 bodies (X100, X100S, X100T) can physically accept the lens, but the automatic lens recognition feature — where the camera detects the conversion lens and adjusts viewfinder framelines and EXIF data — is specific to newer X100 series bodies. Confirm compatibility with your specific model before purchasing.
No — that's one of its key engineering points. The 0.8x optical conversion maintains the same effective aperture as the native 23mm lens. Your f/2 is still f/2 at 28mm equivalent, so existing exposure habits and depth-of-field intuitions carry over without recalculation.
The camera detects the WCL-X100 B II automatically via contacts at the lens mount interface. Once recognized, the optical viewfinder framelines shift to the correct 28mm equivalent framing and the EXIF data records the true focal length. No menu toggling is required.
Optical conversions inherently introduce some edge compromise — this is physics, not a manufacturing defect. Fujifilm's optical engineering for the WCL-X100 B II is designed to minimize this, and reviews consistently find the center-frame sharpness excellent. Corner performance at wide apertures is a practical consideration for critical architectural or landscape work; stopping down to f/4 or f/5.6 recovers the edges significantly.
Yes — Fujifilm offers compatible adapter rings that enable filter attachment. A dedicated lens hood is also available separately. Check Fujifilm's current accessory lineup for the correct adapter ring size for the WCL-X100 B II.