Headband Magnifier Visor with 3.5x and 4″ Focal Length Premium Model
HVM-4 is a Headband Magnifier for professional and hobbyists it is fully adjustable to fit any size quickly and easily and is ideal for Watchmakers, jewelers, tool & die makers, engravers, stamp and coin collectors, needlepoint, physicians, dentists, pharmacies and hospitals. Headband is adjustable +/- 60% either way. The HVM-4 premium features an aluminum alloy headband pivot mechanism as well as scratch resistant glass prismatic lenses, more suitable for the industrial environments. The 3.5x lens gives you an versatile and close working distance / focal length of 4″ is ideal for most applications. Can be worn over glasses. Lens is 10 Diopter. Other lens magnifications available for purchase for the HVM-3 and HVM-4. Our standard size lenses will also fit many other headband magnifiers including OptiVISOR® Brand.
Headband Magnifier Visor with 3.5x and 4″ Focal Length with extra 5x eye loupe
HVM-4 3.5xl Is the same as our HVM-4 Premium Binocular Headband Magnifier Visor but with 3.5x and 4″ Focal Length and 5x swivel eye loupe that adds extra magnification for one eye very close up inspection and detail work. Fully adjustable to fit any size quickly and easily.Headband is adjustable +/- 60% either way The 3.5x glass prismatic lens gives you an close working distance of 4″ for most repetitive applications and hands free magnified view. 3.5x is the highest magnification for binocular (both eyes) magnified view, anything beyond 3.5x and the focal length is too close to see with both eyes. Can be worn over eyeglasses and many safety glasses Lens is 10 Diopters.