This new magnifying lens for your compass fits on all brands of thumb compass. It comes in a left hand or right hand model, and attaches to your compass using the thumb strap. Created and sold by Swedish orienteer Johan Ek-Larsson, this magnifying lens is extremely sturdy and durable. The lens itself is of high quality.
This new magnifier is designed specifically to fit with the Str8 compass. It attaches to the compass using the thumb strap and has the same adjustable angle (plus or minus 20 degrees) that the Str8 thumb compass has. Comes with a strong, lightweight aluminum frame for more durability.