Silva Expedition features easy-handling Dryflex™ housing, silicon rubber feet for precision map work, detachable safety-release lanyards, night-enabling luminous markings, magnifying lens, a clinometer for measuring slope angle, map-measuring scales in mm or inches, 1:25,000, 1:50,000 and GPS scales, plus built-in adjusters for magnetic declination (including permanent local adjustment). The Expedition can also map-measure 1:40,000.

Attachment›Detachable safety-release lanyard
Clinometer›Yes
Declination adjustment›Permanent adjustment for local magnetic declination
Magnifying lens›Yes
Scales›1:25k, 1:40k, 1:50k, mm, inch, GPS scales
Silicon friction feet›Yes
Weight›50g