Is Canon EOS 20Da and Sigma EX 4.5mm F2.8 DC HSM Fisheye compatible?

Below you will find your chosen camera and lens. Click on the product name for more information.

Buy	Canon EOS 20Da Released: 2005 Type: Digital SLR Sensor: APS-C (1.6x) 8,2 Megapixels 3504 x 2336 pixels
Buy	Sigma EX 4.5mm F2.8 DC HSM Fisheye Released: 2007 Wide Angle Prime Lens & Fisheye Suited for cameras with APS-C sensors Focal Length: 4 mm Aperture: f/2,8

Can you combine these two?

Last updated: December 2024

This is the short answer:

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

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:
4 mm

Since Canon EOS 20Da does not have a Full Frame sensor the experience focal length you will experience will be:
6 mm

Read more about Crop factor

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 20Da
770 gram

Sigma EX 4.5mm F2.8 DC HSM Fisheye
470 gram

Together they have a total weight of 1240 gram (equal to 2.73 lb).

Compatibility Check ID: 1301

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