Product Code: 5850/25
Description: Blue VTM Clear Reader
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.
5850/25 (1.5x) VTM Clear Reader - Blue
5850/23
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.