Jupiter 12 35 mm f/ 2.8 Lens マニュアル
The variants of
Jupiter-12
(Zorki)
PT0805
. Seems to be an earliest version of
"Jupiter-12" lens. Under initial name "BK-35" ("Biogon
Kransogorsk"). Very few lenses released by KMZ in
1947-1948. These first samples are totally assembled
from Zeiss (Germany) optical glasses. Focal length - 3.5
cm, aperture range f2.8 - f22. Focusing range from 0.9
m to infinity. Number of elements/groups: 6/4. Angular
field - 63º. Zorki (M39) mount. An earliest so far known
lens has s/n #000274 1948 (SovietCams).
Kransogorsk"). Very few lenses released by KMZ in
1947-1948. These first samples are totally assembled
from Zeiss (Germany) optical glasses. Focal length - 3.5
cm, aperture range f2.8 - f22. Focusing range from 0.9
m to infinity. Number of elements/groups: 6/4. Angular
field - 63º. Zorki (M39) mount. An earliest so far known
lens has s/n #000274 1948 (SovietCams).
PT0805 - BK #000274.
PT0810
. 2nd generation of these beautiful lenses.
Almost identical to its predecessor "BK-35", but under
name "BK Zorki" already. Very limited batch of these
lenses released by KMZ in 1949-1950. Partially or
totally assembled from Zeiss (Germany) optical
glasses. An earliest so far known lens has s/n
#4902114 (C.Asquini coll.).
name "BK Zorki" already. Very limited batch of these
lenses released by KMZ in 1949-1950. Partially or
totally assembled from Zeiss (Germany) optical
glasses. An earliest so far known lens has s/n
#4902114 (C.Asquini coll.).
PT0810 - BK Zorki #4902338.