Magnification
Field of View
Eyepiece Focus
Focus Range
Operating Temperature
Storage Temperature
Illumination Required
Waterproof
1-10
Table 1-5. Optical Data
ITEM
Table 1-6. Environmental Data
ITEM
LIMITS
1.0X
40°
+2 to -6 diopters
25 cm (9.8") to infinity
LIMITS
-40°C to +50°C
-50°C to +70°C
Overcast starlight to moon-
light
1 meter for 30 min.