F 135/2.8 [IF]
General Description
| Product Information | |
|---|---|
| Exact Name | smc PENTAX-F 1:2.8 135mm IF |
| Color | dark grey |
| Year of Introduction | 1987 |
| Catalog Number | 23417 |
| Sold with Hood | built-in hood |
| Sold with Case | — |
Technical Specifications
| Optics | |
|---|---|
| Optical Formula | 8 elements in 7 groups |
| Aperture Range | f/2.8 ~ f/32 |
| Number of Aperture Blades | 9 |
| Minimum Focusing Distance | 0.7 m |
| Maximum Magnification | 0.25 X |
| Special Features | internal focusing |
| Mechanics | |
| Filter Diameter | 52 mm |
| Maximum Diameter | 68 mm |
| Length | 80 mm |
| Weight | 395 g |
| Accessories | |
| Cap | plastic clip-on cap, 52 mm |
| Fitting Hood(s) | built-in hood |
| Fitting Case(s) | soft case: S80-120 |
