Suunto Tandem Compass Dan Clinometer

Features :
Optical Sighting Instrument for extreme accuracy
Fast and Easy one-handed operation
Jeweled bearing assembly: supports scale cards, assures long-lasting, accurate operation
Damping liquid: surrounds scale cards, assures smooth, accurate and quick readings
Parallax free lens: magnifies scale card graduations
Compass scale is azimuth ( 0-360 degrees) , graduated in 0.5 degree
Reverse scale visible through the compass optics
Compass is individually calibrated for an accuracy of 0.25 degree
Clinometer scale is in percent and degree ( 0-90 degrees, 0-150% ) , graduated in 0.5 degree/ 1% increments
Clinometer is individually calibrated for an accuracy of 0.25 degree
Optical diopters for both compass and clinometer
Two edges at 90 degrees for contact measurements
Solid aluminum housing, resists rust and protects against impact
Body has camera tripod threads
Neck lanyard and nylon case with belt loop