Opti-Logic micro series Operating Instructions Manual page 3

Your new Opti-Logic Micro™ Series Laser Rangefinder is a Ballistics
Compensated Laser Rangefinder System combining a pulsed laser
rangefinder and a vertical angle sensor in an extremely lightweight,
exceptionally small, easy-to-use package. This ballistically compensated laser
rangefinder is especially ideal for archery as well as other applications which
may require precision uphill or downhill distance measurements. The Micro
Series hand-held laser rangefinders are capable of measuring distances to
non-cooperative targets up to 400 yards away, and reflective targets up to
800 yards away, depending on model, target size and reflectivity.
Incorporating a precision internal electronic angle sensor, the Micro Series
are also capable of automatically correcting for vertical angle with 0.5 degree
resolution using our patented Vertical Angle Compensation (VAC™)
technique. VAC™ provides a ballistically compensated distance to an uphill or
downhill target with a single push of a button. This feature is absolutely
critical for any shooting application
.
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