M 40-80/2.8-4
General Description
| Product Information | |
|---|---|
| Exact Name | smc PENTAX-M ZOOM 1:2.8~4 40~80mm |
| Color | black |
| Year of Introduction | 1980 |
| Catalog Number | 27867 |
| Sold with Hood | — |
| Sold with Case | — |
Technical Specifications
| Optics | |
|---|---|
| Optical Formula | 7 elements in 7 groups |
| Aperture Range | f/2.8 (4) ~ f/22 (32) |
| Number of Aperture Blades | 7 |
| Minimum Focusing Distance | 1.2 m |
| Maximum Magnification | unknown |
| Mechanics | |
| Filter Diameter | 49 mm |
| Maximum Diameter | 66 mm |
| Length | 76 mm |
| Weight | 395 g |
| Accessories | |
| Cap | plastic clip-on cap, 49 mm |
| Fitting Hood(s) | screw-on hood: RH-R49 |
| Fitting Case(s) | hard case: SMC PENTAX ZOOM 2.8/40~4/80 |
