F 100/2.8 Macro
General Description
Focus Range Limit Switch; what this does is to allow you to limit the focus range to 1/4x (= about .6 meter) or closer
| Product Information | |
|---|---|
| Exact Name | smc PENTAX-F 1:2.8 100mm MACRO |
| Color | dark grey |
| Year of Introduction | 1987 |
| Catalog Number | 28990 |
| Sold with Hood | — |
| Sold with Case | soft case: S80-160 |
Technical Specifications
| Optics | |
|---|---|
| Optical Formula | 9 elements in 8 groups |
| Aperture Range | f/2.8 ~ f/32 |
| Number of Aperture Blades | 8 |
| Minimum Focusing Distance | 0.31 m |
| Maximum Magnification | 1.0 X |
| Special Features | fixed rear-element extension (FREE), macro lens |
| Mechanics | |
| Filter Diameter | 58 mm |
| Maximum Diameter | 74 mm |
| Length | 104 mm |
| Weight | 590 g |
| Special Features | focusing limiter |
| Accessories | |
| Cap | plastic clip-on cap, 58 mm |
| Fitting Hood(s) | no hood required |
| Fitting Case(s) | soft case: S80-160 |
