K 100/4 Bellows
General Description
This lens has no provisions for focusing, and should be used only with bellows.
| Product Variations | ||
|---|---|---|
| Exact Name | SMC PENTAX BELLOWS 1:4/100 | smc PENTAX BELLOWS 1:4 100mm |
| Color | black | black |
| Year of Introduction | 1975 | 1977 |
| Catalog Number | 28240 | 28250 |
| Sold with Hood | — | — |
| Sold with Case | hard case: SMC PENTAX BELLOWS 4/100 | hard case: SMC PENTAX BELLOWS 4/100 |
Technical Specifications
| Optics | |
|---|---|
| Optical Formula | 5 elements in 3 groups |
| Aperture Range | f/4 ~ f/32 |
| Number of Aperture Blades | 6 |
| Minimum Focusing Distance | depends on the bellows extension |
| Maximum Magnification | depends on the bellows extension |
| Special Features | bellows lens |
| Mechanics | |
| Filter Diameter | 52 mm |
| Maximum Diameter | 60 mm |
| Length | 40 mm |
| Weight | 185 g |
| Accessories | |
| Cap | plastic clip-on cap, 52 mm |
| Fitting Hood(s) | screw-on hood: MH-RB52 clip-on hood: PH-S52 |
| Fitting Case(s) | soft case: S70-70 hard case: SMC PENTAX BELLOWS 4/100 |
