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Venus Laowa 4mm F2.8 Fisheye

Sony E

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
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At a Glance

This 4 mm fisheye is made for APS-C cameras on Sony E-mount and gives the field of view of a 6 mm lens on full frame. By design it shows a very wide view with curved lines. It opens to f/2.8 and weighs a compact 135 g. Focusing is manual, and it focuses as close as 8 cm. It suits creative, action and travel photography.

Good for

  • Creative
  • Action
  • Travel

Worth knowing

  • APS-C image circle: on full-frame cameras only usable in crop mode, at reduced resolution.
  • Fisheye projection: straight lines away from the center are rendered curved.

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

Technical Specifications

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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 is designed for APS-C sensors. On APS-C Sony E-Mount cameras its field of view equals 6 mm in full-frame terms. Full-frame bodies use it in APS-C (crop) mode, recording only part of the sensor and fewer megapixels.

Sony E-Mount cameras

Full frame (in APS-C mode):
Sony A7R VI,Sony A7 V,Sony FX2,Sony A1 II,Sony A9 III,Sony A7C II,Sony A7CR,Sony ZV-E1,Sony A7R V,Sony A7 IV,Sony A1,Sony FX3,Sony A7S III,Sony A7C,Sony FX6,Sony A7R IV (A7R IVA),Sony A9 II,Sony FX9,Sony A7 III,Sony A7R III (A7R IIIA),Sony A9,Sony A7R II,Sony A7S II,Sony A7 II,Sony A7S,Sony A7,Sony A7R
APS-C:
Sony ZV-E10 II,Sony A6700,Sony FX30,Sony ZV-E10,Sony A6600,Sony A6100,Sony A6400,Sony A6500,Sony A6300,Sony QX1 (ILCE-QX1),Sony A6000,Sony A5100,Sony A3500,Sony A5000,Sony A3000,Sony NEX-5T,Sony NEX-3N,Sony NEX-6,Sony NEX-5R,Sony NEX-F3,Sony NEX-7,Sony NEX-5N,Sony NEX-C3,Sony NEX-5,Sony NEX-3

Venus Laowa 4mm F2.8 Fisheye compared

Key specs side by side with the most similar Sony E-Mount lenses.

LensVenus Laowa 4mm F2.8 FisheyeVenus Laowa 4.5-10mm F2.8 CF Zoom Fisheye
Focal length4 mm4.5-10 mm
Max. aperturef/2.8f/2.8
Weight135 g338 g
Filter diameter––
Min. focus distance8 cm10 cm
Length25.5 mm59.3 mm
Autofocusnono
Image stabilizationnono
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Venus Laowa 4mm F2.8 Fisheye: FAQ

Does the Venus Laowa 4mm F2.8 Fisheye have autofocus?

No, the Venus Laowa 4mm F2.8 Fisheye has no autofocus; you focus it manually.

Does the Venus Laowa 4mm F2.8 Fisheye have image stabilization?

No, the Venus Laowa 4mm F2.8 Fisheye has no stabilization of its own. On cameras with in-body image stabilization (IBIS) the image is still stabilized.

How much does the Venus Laowa 4mm F2.8 Fisheye weigh?

The Venus Laowa 4mm F2.8 Fisheye weighs 135 g. It is 25.5 mm long with a diameter of 45.2 mm.

How close can the Venus Laowa 4mm F2.8 Fisheye focus?

The minimum focus distance of the Venus Laowa 4mm F2.8 Fisheye is 8 cm, measured from the sensor plane.

Is the Venus Laowa 4mm F2.8 Fisheye a full-frame lens?

No, the Venus Laowa 4mm F2.8 Fisheye is an APS-C lens. On APS-C cameras its field of view equals 6 mm in full-frame terms.

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