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Optical design
| Format: 35mm SLR
Type: Prime lens
Focusing: Manual Focus (MF)
Lens mounts: Minolta SR (MD, MC)
First year of production: 1969
Last year of production: 1975
Optical design: 9 elements in 7 groups (at least
one high-refraction thorium
glass)
| User reviews (0) Photos (0) Tests (0) Owners (5) Views (11702) Average price: $70 |
Specifications:
| Focal length | Max. aperture | Min. aperture | Blades | Min. Focus (m.) | Filter Ø (mm.) | Weight (gr/oz) | Length (mm/in) |
|---|
| 28mm | f/2.5 | f/16 | 6 | 0.5 | 55 | 340/12 | 61/2,4 |
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Additional information:
The Minolta MC W.Rokkor-SI 1:2.5 f=28mm is a wide-angle prime lens for Minolta SLR cameras with SR-mount (MC, MD).
This lens came in three versions:
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MC-I version from 1969 - 1970 (photo 6)
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MC-II version from 1970 - 1973 (photo 1 - 5), with "hill and valley" focus ring (in German called: "Berg und Tal")
-
MC-X version from 1973 - 1975 (photo 7), with rubber focus ring
All three versions have an identical lens design with one radioactive Thorium glass. So sometimes the glases can be a bit yellowish.
Links to online resources:
PDF Files:
Posted by: Andreas Lindemann Date of publication: 06.04.2018
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