Krasnogorsk F-21
Presented by Arnaud SAUDAX.
| Brand: | Krasnogorsk |  |
|
| Model: | F-21 | ||
| Made in: | ex-URSS | Krasnogorsk ex-URSS |
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| Lenght: | 28 mm | Type: | Standard |
| Maximum aperture: | 2 | Minimum aperture: | 16 |
| Made from: | 1950 Serial number: | To: | Serial number: |
| Optical formula: | Focusing mode: | ||
| Minimum focusing: | 200 (metric) | Macro: | |
| Mount: | Autre diamètre à vis | Multi-coated: | |
| Lenght maxi: | 18 (mm) | Lenght mini: | 18 (mm) |
| Diameter maxi: | 29 (mm) | ||
| Weight: | 12 (g.) | ||
| Filter mount: | 18 e (mm) | ||
| Comments: | Objectif du F-21, format 18 x 24 mm. N° 30470 (1971) Monture à vis 27 x0,75 mm. Des vis pointeau peuvent limiter la plage de réglage des distances, ou même la bloquer. | ||
| Central shutter: | Number of blades: | 9 | |
| Integrated filter: | Hood: | ||
| Angle of view: | Macro ratio: | ||
