Description, Notes & Specifications
| Manufactured: | 1971—1975 |
|---|---|
| Camera Mount: | M42x1 |
| Lens Elements / Groups: | 5 / 5 |
| Diaphragm Type: | automatic / manual |
| Diaphragm Blades: | — |
| Angle of View: | 8° |
| Maximum Aperture: | f/4 |
| Minimum Aperture: | f/22 |
| Minimum Focus Distance: | 5·5 metres |
| Magnification Factor: | — |
| Filter Size: | ø 77 mm (screw) |
| Length: | — |
| Largest Diameter: | — |
| Weight: | — |
| Product Numbers: | 43892 |
| Serial Number Range: | — |
| My Serial Numbers: | — |
Long-focus lens with relatively wide aperture for extended distance coverage of sports, wildlife, news, record and surveillance subjects. Has tripod socket for better balance, but can be used hand-held at minimum shutter speed of 1/250 sec., preferably at 1/500 or 1/1000 sec. Image magnification compared with 50mm is 6x (36 areas). Pronounced background compression effects.1
Distance engravings in yellow (metres) and blue (feet); red IR marker; removable rotating tripod collar; built-in extending lens hood.
The same optical design as the Super-Takumar 1:4/300 lens.
Close-up Data
| Device | Magnification | Subject Area (mm) | Subject Distance (cm) |
|---|---|---|---|
| Extension Tubes | |||
| 1 | 0·09 | 260 x 360 | 380·00 |
| 2 | 0·12 | 190 x 290 | 300·00 |
| 1+2 | 0·16 | 150 x 230 | 260·00 |
| 1+3 | 0·19 | 130 x 190 | 230·00 |
| 2+3 | 0·22 | 110 x 160 | 200·00 |
| Bellows (Lens normal / lens at ∞) | |||
| Auto-Bellows | 0·13~0·67 | 284·2 x 189·5~54·0 x 36·0 | 313·00~137·30 |
| Bellows II | 0·11~0·69 | 325·6 x 217·1~52·1 x 34·7 | 342·80~139·60 |
Review
Recommended: Not Tested
References
- Cooper, J.D. 1975. Honeywell Pentax Manual. AMPHOTO.
- van Oosten, G. 1999. The Ultimate Asahi Pentax Screw Mount Guide. Uitgeverij Jansz.