Is Nikon D3100 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.

Nikon D3100

Nikon D3100
Released: 2010
Type: Digital SLR
Sensor: DX / APS-C (1.5x)
14,2 Megapixels
4608 x 3072 pixels

Sigma EX 4.5mm F2.8 DC HSM Fisheye

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: February 2024

This is the short answer:

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

Focal Length

The Nikon camera has a sensor of type DX, a smaller version compared to a Full frame sensor, which means that your experienced Focal length will be multiplied by 1.5x.

This lens has focal length:
4 mm

Since Nikon D3100 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:

Nikon D3100
505 gram

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

Together they have a total weight of 975 gram (equal to 2.15 lb).

Compatibility Check ID: 2201