Optivisor Binocular Headband Magnifier
- Focal length is 4 inches
- Magnification is 3½ times
- Ground and polished to precision optical standards
- Bevel edged and mounted in interchangeable plastic frame
- Adjustable pivots allow the visor to be tilted out of the way when not needed and at your fingertips when you need magnification
- Conforms to fit all head sizes
- Fabricated from a special blend lightweight material
- Comfortable when worn for long periods of time and can be worn over prescription or safety eyeglasses
- Leather band is padded with orthopedic felt for comfort
