3 New Eye Loupes. This is a new set of 3 eye loupes. These have quality lenses for extra sharpness and clarity. They are perfect for examining stamps, coins, circuit boards, etc. You receive: One 10X eye loupe with a focal distance of 1" (25 mm). One 5X eye loupe with a focal distance of 2" (51 mm). One 2.5X eye loupe with a focal distance of 3" (76 mm).