1. lensatic - Noun
2. lensatic - Adjective
lensatic (not comparable)
Being or relating to a form of compass with a lens (for alignment with landmarks) and a dial instead of a needle.
lensatic (plural lensatics)
(rare) A compass of this kind.
A magnetic card compass is usually equipped with an optical, lensatic, or prismatic sight, which allows the user to read the bearing or azimuth off the compass card while simultaneously aligning the compass with the objective (see photo). Source: Internet
The U.S. M-1950 military lensatic compass does not use a liquid-filled capsule as a damping mechanism, but rather electromagnetic induction to control oscillation of it magnetized card. Source: Internet