Fujinon MK 50-135mm T2.9 – SONY E mount Cinema Zoom Lens

Native E mount zoom


Lightweight cinema-style zoom lens specifically for Sony FS7 series cameras, as it is supplied with an E-Mount sensor, so requires no lens adapter for use. Note that this only covers S-35, so will vignette if used on FF cameras.


Lens Groupset

Fujinon MK zooms


Sony E/α Mount

Sensor Size/Coverage


Lens Type

Zoom Lens

It features a S-35 coverage (so not compatible with the A7S Mk II in 4K full frame format) and a solid mechanical design with three independent lens control rings: focus, iris, and zoom.

Since each ring incorporates a cine-style gear with a 0.8 MOD, you can use all follow focus/WLCS systems for full compatibility. In common with other cine-style lenses, the focus ring features approximately 200° of rotation, which provides room or precise focus pulls, and the iris is clickless, enabling smooth iris pulls.

The lens also incorporates a macro mode for close focusing capabilities.

The lens is color matched to other Fujinon lenses such as the HK, ZK, and XK series, which enables smooth intercutting between lenses. The 85mm front enables use with many cine-style matte boxes via use of optional step up rings (rings not included). The lens weighs only 2.16 pounds, which is fairly light for a cinema zoom that holds focus and aperture throughout the focal length range. It is designed for camera’s with a Sony E-mount, so it has a short flange focal distance, but the lens allows flange focal distance adjustment so you can fine tune it to the camera you are using the lens on.

Read the field test report from nofilmschool.com here


  • 4K optics
  • Native E Mount, so no lens adapter needed when using Sony FS7/FS7 Mk II
  • T2.9 to T22 aperture with 9 iris blades for attractive bokeh
  • The 28.5mm diameter image circle covers the 3-perf super 35 format with a 16:9 aspect ratio
  • Industry standard 0.8 film pitch gears for focus, zoom, and iris control
  • The gear rings positions for focus, zoom, and iris are located at the same position on both lenses in the MK series, making switching between the two zooms quick as you don’t have to adjust the position of lens accessories
  • Both lenses in the MK series have the same weight and length so here is no need to rebalance your camera when you change from one lens to the other
  • 200° focus barrel rotation
  • No shims are required to adjust the flange focal distance as this lens has a built-in adjustment mechanism
  • Macro focus function available


Aperture T2.9 to T22 and closed
Iris Blades 9
Gear Mod 0.8
Focus Rotation 200°
Minimum Focus Distance Standard: 3’11” / 1.2 m
Macro: 2’9″‘ / 0.85 m
Object Dimensions at M.O.D. (16:9) 50mm: 21.0 x 11.8″ / 534 x 300 mm
135mm: 7.7 x 4.3″ / 196 x 110 mm
Angle of View (16:9) 50 mm: 27.9° x 15.9°
135 mm: 17° 20′ x 9° 48′
Macro Available
Front Diameter Filter Thread: 82 mm
Outside diameter: 85 mm
Length 8.12″ / 20.63 cm
Weight 2.16 lb / 0.98 kg
Fuji MK50-135mm/T2.9 E Mount Cinema Zoom
Lens Front Cap
Lens End Cap
Lens Hood Square Fuji MK
Lens Cap Square
82mm Circular UV Filter (dedicated for Fuji e mount zooms)
Fujinon MK 15mm Lens Support SmallRig 2151

Peli Case:  50 x 42 x 20cm    5.70kg
Country Of Origin: Japan

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