Sigma 17-50mm f/2.8 EX DC OS HSM vs Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] Macro
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
![Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] Macro](https://thumb.wikimedia.org/wikipedia/commons/thumb/9/91/Tamron_SP_28-75mm_f2.8.jpg/500px-Tamron_SP_28-75mm_f2.8.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail)
Verdict at a glance
- Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] Macro is lighter by 55g.
- Sigma 17-50mm f/2.8 EX DC OS HSM goes wider (17mm vs 28mm).
- Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] Macro reaches further (75mm vs 50mm).
| Spec | 17-50mm f/2.8 EX DC OS HSM | SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] Macro |
|---|---|---|
| Brand | Sigma | Tamron |
| Mount | Sony A | Sony A |
| Type | Zoom | Macro |
| Focal length | 17-50mm (wider) | 28-75mm |
| Max aperture | f/2.8 | f/2.8 |
| Released | n/a | 2003 |
| Blades | 7 | 7 |
| Format | aps-c | full-frame |
| Groups | 13 | 14 |
| Af motor | HSM | in body |
| Elements | 17 | 16 |
| Weight g | 565 | 510 (lighter) |
| Filter mm | 77 | 67 |
| Length mm | 91.8 | n/a |
| Stabilized | Yes | n/a |
| Diameter mm | 83.5 | n/a |
| Min focus m | 0.28 (closer focusing) | 0.33 |
| Max magnification | 0.2 | 0.26 |
Sigma 17-50mm f/2.8 EX DC OS HSM
This 17-50mm f/2.8 APS-C fast standard zoom lens from Sigma fits Sony A mount cameras, with Optical Stabilizer and Hyper Sonic Motor autofocus. A bright standard zoom for APS-C cameras with a constant f/2.8 aperture.
Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] Macro
A 28-75mm f/2.8 full-frame macro zoom lens, the Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] Macro is designed for Sony A mount bodies, from the Tamron SP series with aspherical elements. It is intended for close-up work with small subjects such as flowers and insects.