Optivisor DA-5 * 2-1/2 Power, 8" Working Distance
Custom fit a Magni-Focuser to suit your individual near-vision needs. One lens plate unit of your choice is supplied with each model. Additional interchangeable units, for varying degrees of magnification and working distances, may be purchased separately. An auxiliary lens may be purchased as an add-on to any regular model.
� Shatter-resistant, optical-quality acrylic lenses
� Lens size 3-1/8" x 1-1/8" (79 mm x 28 mm)
� No center post for unobstructed field of vision
� Adjustable, contoured padded vinyl headband for perfect fit
� Lightweight
� Washable
� Can be worn over glasses
� High-impact, non-corrosive ABS plastic
� Front lens unit flips up when not needed