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Sigma 8mm F3.5 EX DG Circular Fisheye

Nikon F (DX/FX) Autofocus

Sigma 8mm F3.5 EX DG Circular Fisheye

Focal length
8 mm
Aperture
f/3.5
Weight
400 g
Filter diameter
–
Min. focus distance
13.5 cm
Length
68.6 mm
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At a Glance

This circular fisheye for Nikon F-mount has an 8 mm focal length and covers an extremely wide view. The image appears as a circle, and straight lines are rendered curved. With a 13.5 cm minimum focus distance and 0.22x magnification, very close subjects are possible. A rear gelatin filter holder is built in. It is aimed at creative and action work.

Good for

  • Creative
  • Action

Worth knowing

  • 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
8 mm
Max. focal length
8 mm
Max. aperture (min. zoom)
f/3.5
Max. aperture (max. zoom)
f/3.5
Min. aperture
f/22
Elements
11
Groups
6
Weight
400 g (0.88 lb)
Filter diameter
–
Min. focus distance
13.5 cm (5.31 in)
Max. magnification
1:4.6 (0.22×)
Length
68.6 mm (2.7 in)
Diameter
73.5 mm (2.89 in)

Manufacturer data: sigma-global.com

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 Sigma 8mm F3.5 EX DG Circular Fisheye fit?

The Sigma 8mm F3.5 EX DG Circular Fisheye is a full-frame lens for Nikon F-Mount cameras. On full-frame bodies it uses the whole sensor; on APS-C Nikon F-Mount cameras its field of view equals 12 mm in full-frame terms.

Nikon F-Mount cameras

Full frame:
Nikon D6,Nikon D780,Nikon D850,Nikon D5,Nikon D810A,Nikon D4S,Nikon D810,Nikon D750,Nikon Df,Nikon D610,Nikon D4,Nikon D800,Nikon D800E,Nikon D600,Nikon D3S,Nikon D3X,Nikon D700
APS-C:
Nikon D3500,Nikon D7500,Nikon D500,Nikon D3400,Nikon D5600,Nikon D5500,Nikon D7200,Nikon D3300,Nikon D7100,Nikon D5300,Nikon D3200,Nikon D5200,Nikon D5100,Nikon D7000,Nikon D3100,Nikon D300S,Nikon D5000,Nikon D3000,Nikon D90,Nikon D60

With the Nikon FTZ II / FTZ the lens can also be used on Nikon Z (DX/FX) cameras.

Sigma 8mm F3.5 EX DG Circular Fisheye compared

Key specs side by side with the most similar Nikon F-Mount lenses.

LensSigma 8mm F3.5 EX DG Circular FisheyeSamyang / Rokinon 8mm F3.5 Aspherical IF UMC CS II FisheyeSigma 10mm F2.8 EX DC HSM Diagonal FisheyeIrix 11mm F4
Focal length8 mm8 mm10 mm11 mm
Max. aperturef/3.5f/3.5f/2.8f/4
Weight400 g411 g475 g808 g
Filter diameter––––
Min. focus distance13.5 cm30 cm13.5 cm27 cm
Length68.6 mm74.8 mm83.1 mm103 mm
Autofocusyesnoyesno
Image stabilizationnononono
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Sigma 8mm F3.5 EX DG Circular Fisheye: FAQ

Does the Sigma 8mm F3.5 EX DG Circular Fisheye have autofocus?

Yes, the Sigma 8mm F3.5 EX DG Circular Fisheye has autofocus.

Does the Sigma 8mm F3.5 EX DG Circular Fisheye have image stabilization?

No, the Sigma 8mm F3.5 EX DG Circular Fisheye has no stabilization of its own. On cameras with in-body image stabilization (IBIS) the image is still stabilized.

How much does the Sigma 8mm F3.5 EX DG Circular Fisheye weigh?

The Sigma 8mm F3.5 EX DG Circular Fisheye weighs 400 g. It is 68.6 mm long with a diameter of 73.5 mm.

How close can the Sigma 8mm F3.5 EX DG Circular Fisheye focus?

The minimum focus distance of the Sigma 8mm F3.5 EX DG Circular Fisheye is 13.5 cm, measured from the sensor plane.

Is the Sigma 8mm F3.5 EX DG Circular Fisheye a full-frame lens?

Yes, the Sigma 8mm F3.5 EX DG Circular Fisheye covers full frame. On APS-C cameras its field of view equals 12 mm in full-frame terms.

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