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| Manufacturer | Pentax | Pentax | Canon | Sony | Tokina |
|---|---|---|---|---|---|
| Model | smc D FA 100 mm f/2.8 Macro WR | smc D FA 100 mm f/2.8 Macro | EF 100 mm f/2.8 Macro USM | 100 mm f.2.8 Macro | AT-X M100 PRO AF D 100 mm f/2.8 |
| Lenst style | Telephoto | Telephoto | Telephoto | Telephoto | Telephoto |
| Focal length | 100 mm | 100 mm | 100 mm | 100 mm | 100 mm |
| Maximum aperture | f/2.8 | f/2.8 | f/2.8 | f/2.8 | f/2.8 |
| Angle of view | 24 o | 24.5 o | 24.4 o | 24 o | 24.4 o |
| Closest focusing distance | 0.303 m | 0.303 m | 0.31 m | 0.35 m | 0.3 m |
| Maximum magnification | 1:1 | 1:1 | 1:1 | 1:1 | 1:1 |
| Minimum aperture | 32 | 32 | 32 | 32 | 32 |
| Diaphragm blades | 8 | 8 | 8 | 9 | 9 |
| Auto focus type | AF | AF | USM | AF | AF |
| Lens Construction | 9 elements / 8 group | 9 elements / 8 group | 12 elements / 8 group | 8 elements / 8 group | 9 elements / 8 group |
| Filter diameter | 49 mm | 49 mm | 58 mm | 55 mm | 55 mm |
| Macro Yes/No | Yes | Yes | Yes | Yes | Yes |
| Stabilization | No | No | No | No | No |
| Available mounts | Pentax K | Pentax K | Canon EF | Sony A / Minolta | Canon EF Nikon F |
| Dimensions | 65 x 80.5 mm | 67.5 x 80.5 mm | 79 x 119 mm | 75 x 98.5 mm | 73 x 95.1 mm |
| Weight | 340 g | 345 g | 600 g | 505 g | 540 g |
| Additional information | Marketed March 2000 | ||||
| Score [max 5.00] | |||||
| Our Review |
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