Opti Visor w/ lens plate number 3
Magnifies 1 3/4 times at a focal distance of 14 inches
*Leaves both hands free
*Optical polished glass lens
*Tilts up when not in use
*Adjusts to all head sizes
*Leather comfort Band
*Can be worn over Prescription or safety eyeglasses
The Opti VISOR is manufactured in six different powers for use in different application.
Focal distances will vary with the individual and are given only as an approximation.
Others lens plate available:
No. 2 , Magnifies 1 1/2 times at a focal distance of 20 inches
No. 4, Magnifies 2 times at a focal distance of 10 inches
No. 5 Magnifies 2 1/2 times at a focal distance of 8 inches
No. 7 Magnifies 2 3/4 times at a focal distance of 6 inches
No. 10 Magnifies 3 1/2 times at a focal distance of 4 inches
From Donegan Optical Company
