Sigma Canon EF Telephoto Zoom

100-400mm F5-6.3 DG OS HSM | Contemporary 017 extender +1.4x

100-400mm
f/5.0
Telephoto Zoom

Quick answer

The Sigma 100-400mm F5-6.3 DG OS HSM | Contemporary 017 extender +1.4x is a short telephoto to super telephoto telephoto zoom lens covering 100-400mm at f/5.0 for the Canon EF mount. Its smaller maximum aperture favours daylight shooting and keeps the lens compact.

About this lens

A 100-400mm f/5-6.3 full-frame telephoto zoom lens, the Sigma 100-400mm F5-6.3 DG OS HSM | Contemporary 017 extender +1.4x is designed for Canon EF mount bodies, from the Sigma Contemporary line with Optical Stabilizer and Hyper Sonic Motor autofocus. A long-reach telephoto zoom aimed at sports and wildlife.

Sigma 100-400mm F5-6.3 DG OS HSM | Contemporary 017 extender +1.4x specifications

Brand: Sigma
Mount: Canon EF
Focal length: 100-400mm
Maximum aperture: f/5.0
Lens type: Telephoto Zoom

What can you shoot with the Sigma 100-400mm F5-6.3 DG OS HSM | Contemporary 017 extender +1.4x?

At 100-400mm this is a short telephoto to super telephoto telephoto zoom, which typically suits:

Portraits with a flattering perspective
Events and weddings
Isolating subjects from the background
Sports and action
Wildlife and birds at moderate distance

Its smaller maximum aperture favours daylight shooting and keeps the lens compact.

Full-frame equivalent and field of view

Calculated from the focal length and crop factor. Not measured.

Sensor	Crop	Equivalent	Horizontal FOV	Diagonal FOV
Full frame	1.0x	100–400mm	5.2–20.4°	6.2–24.4°
APS-C	1.6x	160–640mm	3.2–12.8°	3.9–15.4°

Try the field-of-view calculator

Frequently asked questions

What mount does the Sigma 100-400mm F5-6.3 DG OS HSM | Contemporary 017 extender +1.4x use?

It uses the Canon EF mount, so it fits Canon EF cameras directly.

What is the focal length of the Sigma 100-400mm F5-6.3 DG OS HSM | Contemporary 017 extender +1.4x?

It zooms across 100-400mm with a maximum aperture of f/5.0. That makes it a short telephoto to super telephoto lens.

Is the Sigma 100-400mm F5-6.3 DG OS HSM | Contemporary 017 extender +1.4x a prime or a zoom lens?

It is a zoom lens covering 100-400mm, so you can reframe without moving. Its maximum aperture is f/5.0.

What is the Sigma 100-400mm F5-6.3 DG OS HSM | Contemporary 017 extender +1.4x equivalent on a crop sensor?

On APS-C (1.6x crop) it frames like 160–640mm on full frame, with a 3.2–12.8° horizontal and 3.9–15.4° diagonal field of view. These figures are calculated from the focal length and crop factor.