Product Code: 5850/22
Description: Red Visual Tracking Magnifier
Bi-Axial Magnification*: 1.1x / 1.5
Lens Diameter: 117 x 24mm
Image Vergence: -4.0D
Effective Focal Length: 31.53mm
Field of View on Page: 112 x 24mm
 
*Real Magnification when laid flat on page.