Photo: Charlie V. Antonio (CC BY 2.0)
Quick answer
The Sigma 90mm f/2.8 Macro AF is a short telephoto macro lens covering 90mm at f/2.8 for the Sony A mount. Its bright maximum aperture handles indoor and evening light reasonably well.
About this lens
This 90mm f/2.8 macro lens from Sigma fits Sony A mount cameras. It is intended for close-up work with small subjects such as flowers and insects.
Sigma 90mm f/2.8 Macro AF specifications
What can you shoot with the Sigma 90mm f/2.8 Macro AF?
At 90mm this is a short telephoto macro, which typically suits:
- Portraits with a flattering perspective
- Events and weddings
- Isolating subjects from the background
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 | 90mm | 22.6° | 27° |
| APS-C | 1.5x | 135mm | 15.2° | 18.2° |
Frequently asked questions
What mount does the Sigma 90mm f/2.8 Macro AF use?
It uses the Sony A mount, so it fits Sony A cameras directly.
What is the focal length of the Sigma 90mm f/2.8 Macro AF?
It is a fixed 90mm lens with a maximum aperture of f/2.8. That makes it a short telephoto lens.
Is the Sigma 90mm f/2.8 Macro AF a prime or a zoom lens?
It is a prime lens with a fixed 90mm focal length. Primes usually open wider than zooms; this one opens to f/2.8.
What is the Sigma 90mm f/2.8 Macro AF equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 135mm on full frame, with a 15.2° horizontal and 18.2° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Sigma 90mm f/2.8 Macro AF fit?
Any Sony A-mount camera, including Sony A100, Sony A200, Sony A230, Sony A290, and Sony A300 and 24 more.
Alternatives for Sony A from other brands
All Sony A lensesSame mount, overlapping focal range, closest maximum aperture first.