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N-BK7 glass 25.4 mm dia. double-concave cylinder lens
Double-Concave cylinder Lens, also named Bi-Concave Cylindrical lens. Cylindrical lenses are used to correct astigmatism in the eye and in rangefinders, to produce astigmatism,stretching a point of light into a line.Some styles of cylindrical lenses have antireflective coatings to increase the transmission of light...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.