7Artisans
4mm ƒ/2.8
4mm F2.8
7Artisans 4mm ƒ/2.8 is a 4mm prime lens for the Fujifilm X mount, equivalent to 6mm on full frame, with a maximum aperture of ƒ/2.8 and manual focus. It weighs 201 g.
Optics
- Type
- Prime · Photo · Fisheye
- Focal length
- 4mm (6mm eq.)
- Angle of view
- 225°
- Aperture
- ƒ/2.8
- Blades
- 7
- Aperture ring
- Yes
- Construction
- 10 el. / 8 gr.
- Designed for
- APS-C
Focus
- Type
- Manual
- Minimum distance
- 0.09 m
- Magnification
- —
Size and mount
- Diameter × length
- 60 × 54 mm
- Weight
- 201 g
- Filter
- None
- Mount
- Native X mount
Features
- Yes
- Aperture ring
- No
- —
History
- Maker
- 7Artisans · CN
- Announced
- —
- Status
- Current
Circular fisheye with a 225-degree field of view. Weight is for the Sony E version. The UK distributor text says 210g in one place and 201g in its specification fields.