General Description
| Product Information | |
|---|---|
| Exact Name | smc PENTAX-A 1:2.8 135mm |
| Color | black |
| Years of Production | 1985 ~ 1989 |
| Availability | used, several times a year |
| Catalog Number | 23497 |
| Sold with Hood | — |
| Sold with Case | hard case: HB-120 |
Technical Specifications
| Optics | |
|---|---|
| Optical Formula | 4 elements in 4 groups |
| Aperture Range | f/2.8 ~ f/32 |
| Number of Aperture Blades | 8 |
| Minimum Focusing Distance | 1.2 m |
| Maximum Magnification | unknown |
| Mechanics | |
| Filter Diameter | 52 mm |
| Maximum Diameter | 65 mm |
| Length | 77 mm |
| Weight | 340 g |
| Accessories | |
| Cap | plastic clip-on cap, 52 mm |
| Fitting Hood(s) | built-in hood |
| Fitting Case(s) | hard case: HB-120 |
