Cosmonaut Yuri Malenchenko Purportedly Flown Mir Space Station Photo-TV lens
Cosmonaut Yuri Malenchenko Purportedly Flown Mir Space Station Photo-TV lens
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Purportedly Flown Cosmonaut Yuri Malenchenko Photo-TV lens of special application MIR-29T, serial Number370841. Flown by manufacturer description the focal length is 10.15 +/- 0.2. The relative aperture is 1: 2.5. Resolution of the lens on film type 17 - in the center: 60 pcs / mm, per field: 35 p / mm. Transmittance: at least 73% Initially created for very harsh operating conditions