Compatibility Check: Is Canon EOS Rebel T3i and Sigma EX 8mm F3.5 DG Fisheye compatible?

Below you will find your chosen camera and lens with a short product summary. Further down you will see details around their compatibility, if they are compatible or not.

Canon EOS Rebel T3i

Released: 2011
Camera Type: DSLR
Sensor: APS-C (1.6x)
Resolution: 18 Megapixels
5184 x 3456 pixels

Sigma EX 8mm F3.5 DG Fisheye

Released: 2006
Focal Length: 8 mm
Aperture: f/3,5
Image Stabilization: No
Weight: 400 gram

Can you combine these two?

Last updated: February 2025

This is the short answer:

Yes! This combination is compatible

The camera and lens you have chosen can be used together.

Compatibility

This full-frame lens, available with a Canon EF mount, is fully compatible with a Canon DSLR with an APS-C sensor.

Versatile lens

Sigma EX 8mm F3.5 DG Fisheye is constructed to work with all sorts of camera sensors including the one of Canon EOS Rebel T3i.

Focal Length

The Canon camera has a sensor of type APS-C, a smaller version compared to a Full Frame sensor, which means that your experienced Focal length will be multiplied by 1.6x.

This lens has focal length:
8 mm

Since Canon EOS Rebel T3i does not have a Full Frame sensor the experienced focal length you will experience will be:
12 mm

Total weight

When you are looking at a combination of a camera and a lens you must always consider the total weight. Each product weighs in at:

Canon EOS Rebel T3i
570 gram

Sigma EX 8mm F3.5 DG Fisheye
400 gram

Together they have a total weight of 970 gram (equal to 2.14 lb).

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Canon EOS Rebel T3i

Sigma EX 8mm F3.5 DG Fisheye

Validation Status: Valid
Valid Camera: Yes
Valid Lens: Yes
Compatible: 1
Compatibility Check ID: 1305