Venus Laowa 4mm F2.8 Fisheye

Focal length: 4 mm
Aperture: f/2.8
Weight: 135 g
Filter diameter: –
Min. focus distance: 8 cm
Length: 25.5 mm

At a Glance

The 4 mm fisheye for Fujifilm X matches 6 mm on full frame at APS-C and shows a very wide view with curved lines. It opens to f/2.8 and weighs a compact 135 g. There is no autofocus, and the minimum focus distance is 8 cm. Creative photography, action and travel are the natural fields of use.

Good for

Creative
Action
Travel

Worth knowing

Fisheye projection: straight lines away from the center are rendered curved.
No autofocus: focusing is manual only.

Derived from the manufacturer data, not from our own tests. How we check

Technical Specifications

Min. focal length: 4 mm
Max. focal length: 4 mm
Max. aperture (min. zoom): f/2.8
Max. aperture (max. zoom): f/2.8
Min. aperture: f/16
Elements: 7
Groups: 6
Weight: 135 g (0.3 lb)
Filter diameter: –
Min. focus distance: 8 cm (3.15 in)
Max. magnification: 1:9.1 (0.11×)
Length: 25.5 mm (1 in)
Diameter: 45.2 mm (1.78 in)

Manufacturer data: venuslens.net

Last checked: October 13, 2026 (against the manufacturer data) · How we check

Simulate depth of field and angle of view

Compare with other lenses

Which cameras does the Venus Laowa 4mm F2.8 Fisheye fit?

The Venus Laowa 4mm F2.8 Fisheye fits all Fujifilm X-Mount cameras. There its field of view equals 6 mm in full-frame terms (crop factor 1.5).

Fujifilm X-Mount cameras

APS-C:: Fujifilm X-T30 III,Fujifilm X-E5,Fujifilm X-M5,Fujifilm X-T50,Fujifilm X-S20,Fujifilm X-T5,Fujifilm X-H2,Fujifilm X-H2S,Fujifilm X-T30 II,Fujifilm X-E4,Fujifilm X-S10,Fujifilm X-T4,Fujifilm X-T200,Fujifilm X-Pro3,Fujifilm X-A7,Fujifilm X-T30,Fujifilm X-T3,Fujifilm X-T100,Fujifilm X-H1,Fujifilm X-A5,Fujifilm X-E3,Fujifilm X-T20,Fujifilm X-A10,Fujifilm X-A3,Fujifilm X-T2,Fujifilm X-E2S,Fujifilm X-Pro2,Fujifilm X-T1 IR,Fujifilm X-T10,Fujifilm X-A2,Fujifilm X-T1,Fujifilm X-E2,Fujifilm X-A1,Fujifilm X-M1,Fujifilm X-E1,Fujifilm X-Pro1