Laowa
4mm ƒ/2.8 Fisheye
Laowa 4mm f/2.8 Fisheye
Laowa 4mm ƒ/2.8 Fisheye 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 135 g.

Optics
- Type
- Prime · Photo · Fisheye
- Focal length
- 4mm (6mm eq.)
- Angle of view
- 210°
- Aperture
- ƒ/2.8 – ƒ/16
- Blades
- 7
- Aperture ring
- —
- Construction
- 7 el. / 6 gr.
- Designed for
- APS-C
Focus
- Type
- Manual
- Minimum distance
- 0.08 m
- Magnification
- 0.11× (1:9.1)
Size and mount
- Diameter × length
- 45.2 × 25.5 mm
- Weight
- 135 g
- Filter
- —
- Mount
- Native X mount
Features
- Yes
- Pancake
- No
- —
History
- Maker
- Laowa · CN
- Announced
- —
- Status
- Current
Circular fisheye designed for MFT and APS-C. Maximum magnification is officially 1:9.