AFL-12 Adjustable focus 17mm 12x achromatic lens folding printers loupe, with lens locking rings, folding loupe most often used in pre-press and pressroom graphic design applications, also widely used in quality control of flat surfaces and coatings. Color corrected coated achromatic lenses help with image registration and overall image quality and surface evaluation. Ideal for proofing and color checking. Metal construction for stability and longevity. Includes padded protective storage case. (Compare to Lithomag & Betamag Folding Loupes)