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Technical Data LEICA TELEVID 77 LEICA APO-TELEVID 77
Models Straight sight Straight sight
Angular sight Angular sight
Housing Full metal housing Full metal housing
(aluminium alloy) (aluminium alloy)
Shock-proof up to 100g Shock-proof up to 100g
Water pressure tight according to DIN to 3 m according to DIN to 3 m
(nitrogen gas-filled) (nitrogen gas-filled)
Lens 2lenses, uncemented uncemented, 3lenses,
achromat apochromatic system
multiple layer coating; special fluorite glas with
outer lenses hard coated anomalous partial dispersion
multiple layer coating;
outer lenses hard coated
Prism system porro porro
Entrance pupil (EP) 77mm 77mm
Focal length 440mm 440mm
Focusing range 3,95 m to infinity 3,95m to infinity
Over stroke over infinity –5dpt –5dpt
Functional temperature in degrees C –25 to +55 –25 to +55
Storage temperature in degrees C –40 to +85 –40 to +85
Length 390mm 410 mm
Height 105mm 105mm
Width 93mm 93mm
Weight 1495g 1695g
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