Kase
85mm ƒ/1.4
Kase 85mm F1.4
Kase 85mm ƒ/1.4 is an 85mm prime lens for the Fujifilm X mount, equivalent to 128mm on full frame, with a maximum aperture of ƒ/1.4 and autofocus. It weighs 580 g.
Optics
- Type
- Prime · Photo
- Focal length
- 85mm (128mm eq.)
- Angle of view
- ≈ 19°
- Aperture
- ƒ/1.4 – ƒ/16
- Blades
- 13
- Aperture ring
- —
- Construction
- 13 el. / 10 gr.
- Designed for
- Full frame
Focus
- Type
- Autofocus
- Minimum distance
- 0.70 m
- Magnification
- —
Size and mount
- Diameter × length
- 82 × 99 mm
- Weight
- 580 g
- Filter
- 72 mm front
- Mount
- Native X mount
Features
- Yes
- Electronic contacts
- No
- —
History
- Maker
- Kase · CN
- Announced
- 2025-09
- Status
- Current
Full-frame autofocus lens, also made for Sony E and Nikon Z; first announced in February 2025, with the X-mount version reported available on 2025-09-16 (the date stored in announced). Magnetic front filter system; FN1 and FN2 buttons (FN2 sets focus to 0.7 m or locks focus). 610 g with hood, 92 x 133 mm with hood (Fuji Rumors). Thom Hogan's sansmirror lists 1:5.9 maximum magnification and 5 low-dispersion plus 2 high-refractive elements, not stored for lack of an official source.
+ Sources 03· checked 2026-11-03
- 1Kase Europe official store, Fujifilm X Mount version; f/1.4, 72 mm, weight 580 g, autofocus
- 2Official Kase product page ("Kase 85mm f1.4 Full-Frame / Auto-Focus Lens"); specs are in images that could not be retrieved
- 3X-mount availability news (2025-09-16); source for minimum aperture, 13 elements in 10 groups, 13 blades, 0.7 m minimum focus, 82 x 99 mm