Newcon Optik NIGHT VISION ATTACHMENT NVS-33 - Manual (Page 8)

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3. SPECIFICATIONS
Optical
Magnification, x 1
Field of view, degrees 8.8
Daytime scope magnification,
x
Acceptable
Recommended
1-20
3-12
Focus length, mm 78
F-number 1.5
Focus range
10 m to infinity
Image intensifier tube N3XT3631IC
Type Gen. 3 18mm MCP
Gain, min 35,000
Resolution, lp/mm 57
Infrared illuminator (optional)
Type IR diode
Power, mW 75
Illumination angle, degree 5-20