An acrylic chart magnifier that does not require focussing - simply look through it from a wide range of angles and distances and enjoy 6x magnification. The 'bright field' optical design has the effect of collecting light from all around and directing it onto the surface. Authentic compass rose degree markings are inscribed on the bottom, making it perfect for use with nautical charts.
Specifications:
Dimensions: 9.84cm.
Weight: 0.4lb.