| Year | 1979 |
| Lens Groups | 9 |
| Lens Element | 12 |
| Aperature Blades | 6 |
| Minimum Aperture | f/22 |
| Closest Focusing | 0.4 m |
| Max. Magnifcation | 1:9.1 (0.11x) |
| Filter Size | 72 mm |
| Diameter x Length | 76.5 x 86.6 mm |
| Weight | 495 gr (1.09 lb) |
| Hood | BW-72 |
This lens is a work of art. Sharper than my 35mm F2.o S.S.C. and my FDn 28mm F2.8. And easier to attain perfect focus on this lens than my others. Excellent build quality and image quality. I use the BW-72 hood.