The original Silva Field has base plate map-measuring in mm and scales of 1:50,000 and 1:25,000 compatible with most maps. The compass features DryFlex™ rubber bezel for improved comfort and grip, and a detachable safety-release lanyard—a reliable companion in all situations!
Attachment Detachable safety-release lanyard
Declination adjustment Declination scale inside capsule
Scales 1:25k, 1:50k, mm