Nikon IRT 4-12X42 - Manual (Page 9)

Specifications
MODEL
4-12x42
SCOPE
Actual
magnification 4x-12x
Objective diameter (mm) 42 (in) 1.65
Exit pupil (mm) 3.5 (in) 0.14
Eye relief (mm) 74-75 * (in) 2.9-3.0
Field of view at 100 yds. * (ft) 25.0-8.2
Objective outside diameter (mm) 52 (in) 2.05
Length (mm) 330 (in) 13
Weight (g) 660 (without battery) (oz) 23.3
Adjustment graduation ** : 1 click (moa)
Maximum internal adjustment ** 40 (Elevation & Windage) (moa)
Parallax setting (at factory) (yards) 100
Outside Diameter of Eyepiece
(mm) 39 (in) 1.78
LASER
Class
FDA Class I
Wavelength 905nm
Pulse duration 30ns
Output 15W
Beam
Divergence 0.036 degree
OTHERS
Measuring
range 33-766 yards
Distance display 1 yard step
Structure Scope: Waterproof (maximum depth of 2 meters for
up to 5 minutes),
Battery chamber: Water resistant ***
Operating temperature –10º to +50º
Remote control unit Attachable to a gun with the band
Power source
Scope: 3 volts DC, CR-2 lithium battery x1
Remote control unit: 3 volts DC, CR2025 lithium battery x1
Safety & EMC
21 CRF PART 1040.10: 1985
FCC Part 15/Sub Part B Class B