M-1Green Green light Fixed Focus Stand magnifier for reading aviation charts at night, with 3x magnification and 3" single power low distortion acrylic lens that provides clear sharp image. (Lens also Available with a 5x bifocal lens) a replaceable green wavelength hi-intensity bulb to help preserve night vision and provide maximum contrast with aviation charts and their magenta colors. Makes a ideal portable pocket magnifier for first, sailors, pilots, truck drivers, first responders, military crews, anyone who might need to look and read a map at night, and wishes to preserve their night vision. Place the lighted magnifier over the item to be viewed and it this magnifier provides a large viewing area for scanning and inspection. MADE IN USA

 

• - Lens Power/Magnification - 3x
• - Lens Diameter 3"
• - Lens Diopter 8
• - Lens Focal Length Fixed Focus