1 chain = 66' 66 ft. -27' to + 144'
15 15 ft., yds., or m -6 to + 26 ft., yds., or m
20 20 ft., yds., or m -8 to + 34 ft., yds., m
25 25 ft., yds., or m -10 to + 43 ft., yds., or m
30 30 ft., yds., or m -12 to + 52 ft., yds., or m
Percent Any distance in ft., yds., or m -40 to 150% of baseline distance

An optical rangefinder may be attached to the Haga Altimeter. Used with its multirange target, this rangefinder enables you to determine quickly and precisely base length distances of 15, 20, 25 or 30 feet, yards or meters. Complete instructions included with the altimeter, optical rangefinder, and multirange target.