| Year | 1979 |
| Lens Groups | 9 |
| Lens Element | 10 |
| Aperature Blades | 8 |
| Minimum Aperture | f/22 |
| Closest Focusing | 0.3 m |
| Max. Magnifcation | 1:7.7 (0.13x) |
| Filter Size | 52 mm |
| Diameter x Length | 63 x 47.2 mm |
| Weight | 265 gr (0.58 lb) |
| Hood | BW-52B |
I recently bought this lens because I felt I needed a 28 mm again. This is an excellent performer, in sharpness it easily beats my 24/2.8, and I would almost think it has a slight lead on my 35/2 as well... For me, this is *the* low-light wide-angle from now on...