| Lens | Elements- Groups |
Min. Focus Distance (m) |
Filter Dia- meter (mm) |
Lens Diameter x Length (mm) |
Weight (g) | In Production |
|---|---|---|---|---|---|---|
| M 32-39/2.8 Flexi | 8-8 | 0.5 | 49 | 63 x 45 | 230 | no |
| K 35-70/2.8 | 7-7 | 1.0 | 58 | 69 x 76 | 480 | no |
| K 35-70/2.8 Autofocus | 1.0 | 58 | 84 x 94 | unknown | no |
Pentax Prototype Zoom Lenses