Leupold GX-3c Operating Instructions Manual page 7

Surface texture, color, size, and shape of the target all affect
reflectivity, which in turn affects the maximum range of the
rangefinder . As a rule of thumb, brightly colored targets are
much more reflective than darker targets, with black being
the least reflective color . A shiny surface is more reflective
than a dull surface . Smaller targets are more difficult to range
than larger targets . Light conditions, haze, fog, rain, and other
environmental conditions can all affect ranging performance .
Any factor which degrades air clarity will reduce the maximum
effective range . Bright light shining directly on the lenses
reduces the effectiveness, producing shorter maximum ranges
than those possible on darker (overcast) days . The steadier the
GX unit is held, the greater the maximum distance .
SAFETY AND OPERATION
PRECAUTIONS
The Leupold GX rangefinders employ an eye safe laser in
their operation . Even so, there are a few precautions that are
important to remember:
• Do not depress the POWER button while aiming at a human
eye or while looking into the optics from the objective side .
• Do not leave the GX within the reach of small children .
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