Bifocal Magni-Focuser
Includes a bifocal lens that eliminates the need to switch lens units-a built-in dual magnification capability. Adjustable, contoured padded vinyl headband with shatter resistant acrylic lenses. Can be worn over glasses. BF35 Top: Magnifies 1 3/4x at 14" Bottom: Magnifies 2 1/4x at 8" BF47 Top: Magnifies . . . More details
Product Details
Includes a bifocal lens that eliminates the need to switch lens units-a built-in dual magnification capability.
Adjustable, contoured padded vinyl headband with shatter resistant acrylic lenses. Can be worn over glasses.
BF35
Top: Magnifies 1 3/4x at 14"
Bottom: Magnifies 2 1/4x at 8"
BF47
Top: Magnifies 2x at 10"
Bottom: Magnifies 2 3/4x at 6"
Adjustable, contoured padded vinyl headband with shatter resistant acrylic lenses. Can be worn over glasses.
BF35
Top: Magnifies 1 3/4x at 14"
Bottom: Magnifies 2 1/4x at 8"
BF47
Top: Magnifies 2x at 10"
Bottom: Magnifies 2 3/4x at 6"

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