Sigma Sony A Prime

14mm f/2.8 EX Aspherical HSM

14mm
f/2.8
Prime

Quick answer

The Sigma 14mm f/2.8 EX Aspherical HSM is a ultra-wide prime lens covering 14mm at f/2.8 for the Sony A mount. Its bright maximum aperture handles indoor and evening light reasonably well.

About this lens

A 14mm f/2.8 wide-angle prime lens, the Sigma 14mm f/2.8 EX Aspherical HSM is designed for Sony A mount bodies, with Hyper Sonic Motor autofocus and aspherical elements. The wide view suits landscapes, architecture and environmental shots.

Sigma 14mm f/2.8 EX Aspherical HSM specifications

Brand: Sigma
Mount: Sony A
Focal length: 14mm
Maximum aperture: f/2.8
Lens type: Prime

What can you shoot with the Sigma 14mm f/2.8 EX Aspherical HSM?

At 14mm this is a ultra-wide prime, which typically suits:

Landscapes and big skies
Architecture and interiors
Astrophotography and night skies

Its bright maximum aperture handles indoor and evening light reasonably well.

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	14mm	104.3°	114.2°
APS-C	1.5x	21mm	81.2°	91.7°

Try the field-of-view calculator

Frequently asked questions

What mount does the Sigma 14mm f/2.8 EX Aspherical HSM use?

It uses the Sony A mount, so it fits Sony A cameras directly.

What is the focal length of the Sigma 14mm f/2.8 EX Aspherical HSM?

It is a fixed 14mm lens with a maximum aperture of f/2.8. That makes it a ultra-wide lens.

Is the Sigma 14mm f/2.8 EX Aspherical HSM a prime or a zoom lens?

It is a prime lens with a fixed 14mm focal length. Primes usually open wider than zooms; this one opens to f/2.8.

What is the Sigma 14mm f/2.8 EX Aspherical HSM equivalent on a crop sensor?

On APS-C (1.5x crop) it frames like 21mm on full frame, with a 81.2° horizontal and 91.7° diagonal field of view. These figures are calculated from the focal length and crop factor.