Peak 7X or 10X Measuring Loupes come with a removable glass reticle scale placed in direct contact with the work to be measured for precise comparison. Additional reticles are also available. All models feature smooth-helicoid twist focus and fully coated achromatic lens systems for color correct flat field viewing. Peak 7X or 10X Measuring Loupes are offered in with a singular loupe, an illuminated loupe, and loupe sets. The included lens features a 0.75” diameter.