Newcon Optik 7x50 AN Binoculars with Compass and Reticle - Manual (Page 6)

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2. SPECIFICATIONS
2.1 Shared specifications
Prisms BAK4
Coating FMC
Brightness index
50.4
Interpupillary adjustment distance 56-74 mm
M22 Reticle Yes
Operating temperature range –40°C … +70°C
All binoculars are waterproof and shockproof (will
withstand a drop test from 1.8m).