Quick answer
The Sigma 180mm f/5.6 Apochromatic is a telephoto telephoto lens covering 180mm at f/5.6 for the Sigma SA mount. Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
About this lens
A 180mm f/5.6 telephoto prime lens, the Sigma 180mm f/5.6 Apochromatic is designed for Sigma SA mount bodies. A macro lens from Sigma for life-size close-ups.
Sigma 180mm f/5.6 Apochromatic specifications
What can you shoot with the Sigma 180mm f/5.6 Apochromatic?
At 180mm this is a telephoto telephoto, which typically suits:
- Sports and action
- Wildlife and birds at moderate distance
- Compressing distant landscapes
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 | 180mm | 11.4° | 13.7° |
| APS-C | 1.5x | 270mm | 7.6° | 9.2° |
Frequently asked questions
What mount does the Sigma 180mm f/5.6 Apochromatic use?
It uses the Sigma SA mount, so it fits Sigma SA cameras directly.
What is the focal length of the Sigma 180mm f/5.6 Apochromatic?
It is a fixed 180mm lens with a maximum aperture of f/5.6. That makes it a telephoto lens.
Is the Sigma 180mm f/5.6 Apochromatic a prime or a zoom lens?
It is a prime lens with a fixed 180mm focal length. Primes usually open wider than zooms; this one opens to f/5.6.
What is the Sigma 180mm f/5.6 Apochromatic equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 270mm on full frame, with a 7.6° horizontal and 9.2° diagonal field of view. These figures are calculated from the focal length and crop factor.
