With a sturdy metal construction and a white coating, this sturdy headband is one of the most popular in our range. The headband itself fits all sizes and is easily adjusted. Important: Please include at least 1 prism with your purchase or the headband will be delivered without any prisms/lenses.
The optics are made from silicate glass, which is very scratch-resistant, has a very high resolution and produces an extremely high contrast image- Schweizer uses a UV absorbent optical crown as used with prescription lenses (refractive index n=1.52).
Details on magnification and working distance also above.
Specifications:
magnification: 1.85x, 2.0x, 2.5x, 2.75x, 3.0x or 3.5x
working distance: 250mm, 220mm, 170mm, 150mm, 130mm or 100mm