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Black cylindrical cinema zoom lens with geared focus, zoom and iris rings

FUJIFILM

FUJIFILM MKX 50-135mm T2.9 cine zoom camera lens

SKU CH-V31D-926TH

A manual cinema zoom covering 76–206 mm equivalent with a constant T2.9 aperture, 200-degree focus rotation and 0.8M geared rings

  • Constant T2.9 aperture through 50-135mm zoom for consistent exposure
  • 76-206mm equivalent reach covers telephoto cinema needs
  • 200° focus rotation with 0.8M gears enables precise follow-focus control
  • Minimal focus shift and lens breathing while zooming for stable framing
  • 22 elements in 17 groups with four ED glass pieces for optical correction

MKX 50-135mm T2.9 cinema lens

This Fujifilm cine zoom covers a 50-135mm focal range with a constant T2.9 aperture for consistent exposure. It is built for X Series cameras and delivers a 76-206mm equivalent field of view. The optical design uses 22 elements in 17 groups including two super ED and two ED elements. Professional video creators gain a parfocal zoom with minimal focus shift and reduced breathing.

Three geared manual rings with 200° focus throw

Focus, zoom and iris rings all share a 0.8M gear pitch for standard follow-focus accessories. The focus ring rotates up to 200 degrees, giving operators fine control without hard stops. Internal zoom mechanics keep the lens length constant and suppress axis shift during focal-length changes. No electronic coupling is present, so camera-body autofocus and aperture automation are unavailable.

Constant T2.9 from 50mm to 135mm

The fixed aperture holds exposure steady across the entire zoom range and enables shallow depth of field at the long end. At 135mm the 206mm equivalent reach suits interview, event and narrative work where working distance matters. Wide-open performance stays usable thanks to the ED and super ED correction. Shooters needing wider angles or faster-than-T2.9 transmission must add a separate lens.

Highlights

  • Constant T2.9 aperture through 50-135mm zoom for consistent exposure
  • 76-206mm equivalent reach covers telephoto cinema needs
  • 200° focus rotation with 0.8M gears enables precise follow-focus control
  • Minimal focus shift and lens breathing while zooming for stable framing
  • 22 elements in 17 groups with four ED glass pieces for optical correction

Specifications

BrandFUJIFILM

Questions about this item

How can I confirm the MKX 50-135mm T2.9 is performing correctly after mounting it on my X-mount body?

Check that the iris ring clicks at T2.9 across the full 50-135mm range, the focus ring rotates smoothly through 200 degrees without focus shift while zooming, and the 0.8M gears on all three rings engage your follow-focus cleanly.

What comes in the box with the MKX 50-135mm T2.9 and what must I source separately?

The lens ships with front and rear caps; you will need to buy 0.8M follow-focus gears, a matte box or screw-in filters, and any lens-support system separately.

The only version listed is the 50-135mm T2.9 — how do I know this focal range suits my X-mount camera?

On Fujifilm X sensors the 50-135mm zoom equals a 76-206mm equivalent, giving you a constant T2.9 telephoto cinema zoom with 22 elements in 17 groups including two super ED and two ED elements.

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