Description, Notes & Specifications
| Manufactured: | 1968—1975 |
|---|---|
| Camera Mount: | M42x1 |
| Lens Elements / Groups: | 5 / 5 |
| Diaphragm Type: | automatic / manual |
| Diaphragm Blades: | — |
| Angle of View: | 29° |
| Maximum Aperture: | f/4·5 |
| Minimum Aperture: | f/22 |
| Minimum Focus Distance: | 0·6 metres |
| Magnification Factor: | — |
| Filter Size: | ø 49 mm (screw) |
| Length: | — |
| Largest Diameter: | — |
| Weight: | — |
| Product Numbers: | 43851 |
| Serial Number Range: | — |
| My Serial Numbers: | — |
Ultra-Achromatic TAKUMAR 85mm f/4·5 — Corrections for chromatic aberrations from ultra-violet to infrared wavelengths: from 220µm to 1000µm. Although superb for infrared and visible light photography, main design emphasis is on ultra-violet photography at close distances. Contains no glass; optical elements are made from fluorite and quartz. Filter for ultra-violet photography is 363µm; filters for infrared photography are R62, R68 and 862.1
Lens elements are uncoated.
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.