Additional information:
Orion-18R 8/100 is aerial and reproduction lens.
Various variants of the lens were produced by KMZ, LOMO and Kazan Optical-Mechanical Plant (KOMZ).
Coated optics.
The first versions were called simply Orion-18, on the rim they had the inscription "ГОИ РЕПРОДУКЦИОННЫЙ" ( "GOI REPRODUCTION").
It was used in microfilming installations "AKM-22", "AKM-44", "RUST-3" and projection units "UU-3", operating on 35 mm and 70 mm film.
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Focal length: 100 mm (100.5 mm)
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Relative opening: 1: 8
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Field of view: 60 °
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Frame size: 32 × 45.5 mm; 64 × 91 mm
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Number of lenses / groups: 6/4
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Limits of the diaphragm scale: 1:8-1:22
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Number of diaphragm blades: 9 or 12
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Front vertex focal length: -69.3 mm
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Rear vertex focal length: 76.5 mm
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Distance from first to last surface: 45.13 mm
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Light diameter of the first surface: ∅32.9 mm
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Luminous diameter of the last surface: ∅33.7 mm
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Working length: 117 mm; 94.2 mm
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Increase: 0.3-0.07 and 3.3-13.75
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Resolution by TU (Mikrat-200, center / edge): 60/45 lines / mm
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Light transmission coefficient: 0,8
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Type of coating: single-layer, chemical
Connections:
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the lens - ∅48 mm
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for screw-in attachments - Sp. M49 × 0.75
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for hanging attachments - ∅51.5 mm
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Dimensions:
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length of the lens - 51 mm
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the largest diameter of the frame is ∅69 mm
Posted by: SharkDD Date of publication: 19.10.2017
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