Nikon PROSTAFF - Manual (Page 10)

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Specifications
Measurement system
Measurement range
Distance: 4.5-550 meters/5-600 yards
Distance display (increment) Every 0.1 m/yd.
Optical system
Magnification (x)
6
Effective diameter of objective lens
(mm)
ø21
Angular field of view (real) (˚) 7.5
Eye relief (mm) 18.3
Exit pupil (mm) ø3.5
Diopter adjustment ±4m -1
Others
Operating temperature (˚C)
-10 — +50
Power source
CR2 lithium battery x 1 (DC 3V)
Automatic power shut-off (after approx. 8 sec. unoperated)
Dimensions (L x H x W) (mm) 113 x 70 x 39
Weight (g) Approx. 175 (without battery)
Structure
Body: Waterproof (maximum depth of 1 meter for up to 10 minutes)*
(Battery chamber: Water resistant**)
Safety
Class 1M Laser Product (EN/IEC60825-1:2007)
Class I Laser Product (FDA/21 CFR Part 1040.10:1985)
EMC FCC Part15 SubPartB class B, EU:EMC directive, AS/NZS, VCCI classB
Environment RoHS, WEEE
Laser
Class
EN/IEC Class 1M
Wavelength (nm) 905
Pulse duration (ns) 12
Output (W) 15
Beam divergence (mrad) Vertical: 1.8, Horizontal: 0.25
Operating humidity (%RH) 80 or less (without dew condensation)
* Waterproof models
This Nikon Laser Rangefinder is waterproof, and will suffer no damage to the optical system nor observation if
submerged or dropped in water to a maximum depth of 1 meter for up to 10 minutes.
The Nikon Laser Rangefinder offers the following advantages:
• Can be used in conditions of high humidity, dust and rain without risk of damage to internal functions.
• Nitrogen-filled design makes it resistant to condensation and mold.
Observe the following when using the Nikon Laser Rangefinder:
• The unit is not a sealed structure, so it should not be operated nor held in running water.
• If any moisture is found on movable parts of this equipment, stop using it and wipe it off.
** The battery chamber is water resistant, not waterproof. Water may enter the device if the Rangefinder is submerged in
water. If water enters the battery chamber, wipe out any moisture and allow time for the chamber to dry.