Magnification, multiple: 1.8; 2.3; 3.7; 4.8
Optical lens material: plastic
Body material: plastic
Weight, g: 120
Inexpensive and functional headband.
Weighs only 120 g.
It is possible to use two lenses at once at different angles of inclination, which creates a magnification factor of 1.8-2.3 times.
Movable additional glass allows you to increase the magnification up to 3.7-4.8 times.