Brand: Carson Optical. MPN: CP-12. The Magnifying Hobby Glasses are wearable, hands-free glasses having a strength of +3.25 diopters equivalent to 1.8x power magnification. Its unique coated lenses increases light transmission and provides a durable, scratch resistant surface. This handy accessory is perfect for fly-fishing, working on small objects, inspecting intricate details, model painting, industrial use and a variety of other hobbies and crafts. This versatile Magnifying Hobby Glasses can be worn with or without your prescription glasses and comes equipped with a hard-shell protective case for storage when not in-use.