This focus scale loupe has a 13 mm lens diameter, it features high resolution achromatic colour corrected lens, optional light source, comes complete with measuring reticule, focusing from +2 to -2 diopter. It has a 16D diopter, 0.8 inch focal distance, and 15X power. This focus scale loupe includes protective carrying case, and a lens cleaning cloth.
FeaturesHigh Resolution Achromatic Color Corrected Lens, Optional Light Source, Comes Complete With Measuring Reticule, Focusing From +2 to -2 Diopter With A Smooth Helicoid Focus Mechanism, 360 Degrees Clear Acrylic Base, Optional Reticules With White Markings