Jupiter-9 lens 2/85 M39 Screw mount Rare silver, family heirloom Carl Zeiss Sonnar

Jupiter-9 uses the Sonnar optical design from the German company Carl Zeiss. Zeiss's design and technological documentation was transferred to the USSR as reparations.

Characteristics of the Jupiter-9 lens:

Focal length: 85mm

Field of view angle: 28°

Frame size: 24 × 36 mm.

Number of lenses/groups: 7/3

Working distance: 45.2 mm

Relative aperture: 1:2

Aperture scale limits: 1:2-1:22

The number of aperture blades is 15.

Aperture adjustment - no.

Diaphragm recipe - available

Close focusing limit - 0.9 m

Connections:

lens to camera - m39×1

for threaded fastening – m49×0.5

for threaded fastening - ∅51 mm

Filter mounting location: front.

TU resolution (center/territory): 30/18 lines/mm

Light transmittance: 0.75

Lens Condition:

✅The lens is in good condition, fully working.

✅There are no chips, fogging, etc. on the lens.

✅Lens focusing works very softly and smoothly.

✅the diaphragm opens easily and smoothly.

✅ Aperture lock works very well.

❌There are several specks of dust under the lens (they do not affect the photo).

❌You may notice a few stripes in the light, they do not affect the photo in any way,

❌There are small traces of rubbing and minor scratches on the lens (they do not affect the photo).

✅ The set includes front and back cover.