Lens details
| Mounts | Canon EF Nikon F Sony / KM A Pentax K Sigma SA |
| Lensname | Sigma 28 F/1.8 EX DG ASP RF Macro |
| Focallength | 28 mm |
| Speed | F/1.8 |
| Stabilisation | 0 stops |
| Min. focusdistance | 20 cm |
| Size | 83.6 x 82.5 mm |
| Weight | 500 grams |
| Filtersize | 77 mm |
| Autofocus | Micromotor |
| Aperture blades | 9 blades |
| Minimal aperture | F/22 |
| Elements / groups | 10 / 9 |
| Magnification | 0.34 |
| Hood | LH825_03, supplied |
| F-stop breakdown | N/A |
| Other info |
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