Armasight NSGSPARK01CCIC1 Spark-G Night Vision Goggles - Manual (Page 13)

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TABLE 2-3. ELECTRICAL DATA
ITEM DATA
Battery One CR123A Lithium 3V or CR123 type
rechargeable batteries with voltage 3.2V
Consumption Current*: 58 mA
Continuous Operation* at 20 o C (68 o F): up to 40
* With IR illuminator off.
TABLE 2-4. OPTICAL DATA
ITEM DATA
Magnification:
— with 1X Lens
— with 3X Lens*
— with 3X Afocal Lens*
(1±0.05) X
(3±0.2) X
(3±0.15) X
1X Lens:
— Focal Length
— Lens F/number
— Focus Range
35 mm
1:1.7
0.25 m to infinity
FOV:
— with 1X Lens
— with 3X Lens*
— with 3X Afocal Lens* 30°
12°
10°
Eyepiece Focal Length 15 mm
Exit Pupil Diameter 8 mm
Eye Relief 20 mm
Eyepiece Diopter Adjustment -5 to +5 diopters
Built-in IR Illuminator
— Power
— Illumination Range
— Focus Distance
— Illumination Wavelength 50 mW
20 m
3 m
810 nm
* Optional.
TABLE 2-5. ENVIRONMENTAL DATA
ITEM DATA
Operating Temperature -40 to +50 °C
Storage Temperature -50 to +70 °C
Humidity 95 %, 25 °C to 40 °C for 48 hr
Illumination Required Natural night illumination
(overcast starlight to moonlight)
Environmental Rating Water Resistant