- Model name MK50-135mm T2.9
- Focal length 50-135mm
- Zoom ratio 2.7x
- F-No. F2.75
- T-No. T2.9
- Image Size 24.84mm x 13.97mm (φ28.5mm)
- Minimum Object Distance (M.O.D) 1.2m / 3ft 11in with macro function 0.85m / 2ft 9in
- Object Dimensions at M.O.D (H x V) 1.78 : 1 Aspect Ratio* 50mm 534mm x 300mm, 135mm 196mm x 110mm
- Angle of view (H×V) 1.78 : 1 Aspect Ratio* 50mm 27.9° x 15.9°, 135mm 10.5° x5.9°
- Iris Blades 9
- Filter Diameter 82mm
- Front Diameter 85mm
- Length 206.3mm
- Weight（approx.） 980g
- Lens Mount E-mount
- Outstanding optical performance and low distortion with T2.9 speed across the entire zoom range
- Covering the standard 18 to 135mm focal length for cinema production with MK18-55mm and MK50-135mm
- Ultra-compact & “less than 1kg” lightweight design thanks to Super 35mm/APS-C sensor compatibility with dedicated E-mount design
- Fully manual lens rings for focus, zoom, and iris with 0.8M gear pitch
- 200° focus rotation angle for accurate focusing
- Seamless iris to avoid vibrations and noise that you get with clicking mechanism
- Resolves issues of interchangeable lenses for still digital cameras such as “focus shift and optical axis shift while zooming” and “lens breathing”
- 85mm front diameter, 82mm filter diameter, and position of 0.8M are standardized between the two models
- Features macro function
- Features flange focal length adjustment function