Kenko
Mirror Lens 400mm ƒ/8 N II S
Mirror Lens 400mm F8 N II S
Kenko Mirror Lens 400mm ƒ/8 N II S is a 400mm prime lens for the Fujifilm X mount, equivalent to 600mm on full frame, with a maximum aperture of ƒ/8 and manual focus. It weighs 545 g.
Optics
- Type
- Prime · Photo
- Specialty
- Mirror
- Focal length
- 400mm (600mm eq.)
- Angle of view
- ≈ 4°
- Aperture
- ƒ/8
- Blades
- 0
- Aperture ring
- —
- Construction
- 6 el. / 2 gr.
- Designed for
- Full frame
Focus
- Type
- Manual
- Minimum distance
- 1.15 m
- Magnification
- 0.40× (1:2.5)
Size and mount
- Diameter × length
- 74 × 112 mm
- Weight
- 545 g
- Filter
- 67 mm front
- Mount
- Adapter included
Features
- Yes
- —
- No
- Internal focus
History
- Maker
- Kenko · JP
- Announced
- 2021-12-17
- Status
- Discontinued
- Replaces
- Kenko Mirror Lens 400mm ƒ/8 N II
Model KF-M400FXIIS. Removable T-mount, fitted with the X mount at the factory; can be converted to other mounts. Released 2021-12-24. Dimensions and weight are the official mirrorless-version figures. No aperture blades (fixed f/8); front-extending manual focus; 30.5 mm rear filter as well as 67 mm front. Improved over the N II by suppressing internal reflections in the T-mount section. Official angle of view 6°8' is for full frame.