This is the OptiVISOR AL-S1 4-Lens Headband Magnifier
from Donegan Optical Company.
FEATURES: Permits unrestricted hands free user efficiency while reducing eye
Optical prismatic lenses from precision ground and highly polished
Adjustable pivots allow visor to be tilted out of the way when not
needed, and at your fingertips when you need magnification
Adjustable leather padded headband with orthopedic felt conforms to
fit all head sizes
Can be worn over prescription or safety eyeglasses
Limited warranty, Donegan Optical Company Inc. warrants this product
against defects in materials and workmanship. Warranty claims must
be returned postage paid to Donegan Optical Co. and will be
repaired or replaced at their discretion. Items subject to abuse or
misuse will not be warrantied.
INCLUDES: OptiVISOR AL-S1 4-Lens Headband Magnifier with:
#3 Lens, magnifies 1-3/4 times at 14"
#4 Lens, magnifies 2 times at 10"
#5 Lens, magnifies 2-1/2 times at 8"
#7 Lens, magnifies 2-3/4 times at 6"
COMMENTS: OptiVISOR is not a safety device, and is not to replace prescription