These units are an excellent quality Chinese made version of the popular Optivisor.
Includes 4 optical glass lens plates. Leaves both hands free This magnifier can be worn over prescription or safety eyeglasses.
This item includes 4 lens plates – 1.5X lens with focal length of 50cm, 2.0X lens with focal length of 25cm, 3.5X lens for very close work at 12.5cm distance and the most popular 2.5X lens for working at about 20cm distance.
The Magnifier comes fitted with the 2.5X lens – just snap in any of the other 3 lens’ if you require a longer/shorter focal length.
- Optical polished glass Lenses – ground and polished to precision optical standards – mounted in interchangeable plastic frame.
- The Magnifier Tilts – adjustable pivots allow the visor to be tilted out of the way when not needed and at your fingertips when you need magnification.
- Adjustable Headband – conforms to fit all head sizes (using the adjustable screw at the back) and comfortable when worn for long periods of time.
- High Impact Visor – tough and durable.
- Comfort Band – padded with felt for extra comfort.