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The world standard! Volk's state-of-the-art 20D diagnostic/laser lens is perfectly corrected for field curvature, astigmatic aberrations and coma, delivering the best retinal image of any 20 diopter lens on the market. Its advanced double aspheric design further maintains linear image magnification and perfect image clarity across the entire field of view for unsurpassed fundus examinations.
Advanced Double Aspheric designs, exclusive to Volk, provide incomparably clear fundus imaging and precise laser beam transmission. Only top quality, instrument grade Glass is used in Volk BIO lenses, providing long lasting durability and superior optical quality.
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