M 35-70/2.8-3.5

General Description
| Product Information | |
|---|---|
| Exact Name | smc PENTAX-M ZOOM 1:2.8 35mm~1:3.5 70mm | 
| Color | black | 
| Year of Introduction | 1979 | 
| Catalog Number | 27200 | 
| Sold with Hood | — | 
| Sold with Case | dedicated hard case: exact name unknown | 
Technical Specifications
| Optics | |
|---|---|
| Optical Formula | 7 elements in 7 groups | 
| Aperture Range | f/2.8 (3.5) ~ f/22 (26) | 
| Number of Aperture Blades | 7 | 
| Minimum Focusing Distance | 1.0 m | 
| Maximum Magnification | unknown | 
| Mechanics | |
| Filter Diameter | 58 mm | 
| Maximum Diameter | 67 mm | 
| Length | 76 mm | 
| Weight | 470 g | 
| Accessories | |
| Cap | plastic clip-on cap, 58 mm | 
| Fitting Hood(s) | screw-on hood: MH-R (2 piece) | 
| Fitting Case(s) | dedicated hard case: exact name unknown |