The hands-free Optivisor provides 3.5x magnification with a focal length of 4". The optical glass lenses are ground and polished to precise standards. The comfortable continuous headband is fully adjustable, as are the pivot knobs holding the visor. The visor can be pushed up and out of the way when not in use. The Optivisor can be worn and used by people who normally wear glasses.

Item Subjects: Stamp Magnifiers, Coin Magnifiers