The SP AF 90mm f/2.8 Di 1:1 Macro lens is a macro lens produced by Tamron. It comes in the Canon EF-mount, Nikon F-mount, Pentax K-mount, and Sony A-mount. The lens was released in 1997. It received the European "Lens of the Year: 1997-1998" award.[1] It was mechanically and cosmetically upgraded in February 2000.[1] The lens is known for its high optical quality and reasonable price.[1][2]
 | |
| Maker | Tamron |
|---|---|
| Technical data | |
| Focal length | 90mm |
| Aperture (max/min) | f/2.8 - f/32 |
| Close focus distance | 11.4 cm |
| Max. magnification | 1:1 |
| Diaphragm blades | 9 |
| Construction | 10 elements in 9 groups |
| Features | |
| Short back focus |  No |
| Ultrasonic motor |  Yes |
| Lens-based stabilization |  No |
| Macro capable | Yes |
| Application | Macro |
| Physical | |
| Max. length | 97 mm |
| Weight | 405 g |
| Filter diameter | 55 mm |
| Angle of view | |
| Horizontal | 27° |
References
edit- ^ a b c Peter K, Burian (1 July 2000). "Tamron SP AF 300mm f/2.8 LD [IF] Lens And AP AF Tele-Converter". Shutterbug. Retrieved 7 November 2011.
- ^ Carnathan, Bryan. "Tamron SP AF 90mm f/2.8 Di Macro Lens Review". The-Digital-Picture.com. Retrieved 7 November 2011.