A 135/2.8
General Description
This lens shares the optics with the TAKUMAR BAYONET 1:2.8 135mm except for the coating, wich is “smc” for the PENTAX-A lens but not so for the TAKUMAR lens. Weight and dimensions are very similar for both lenses, which also have identical number of blades (8), indentical minimum focusing distance (1.2 m), and identical maximum magnification (0.15X).
| Product Information | |
|---|---|
| Exact Name | smc PENTAX-A 1:2.8 135mm |
| Color | black |
| Year of Introduction | 1983 |
| 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 | 0.15X |
| 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 |
