Laser Line Generator Lenses (powell lenses) China - Sell - Laser Optics - Lenses, 14 years ago, 1134 hits Laser line generator lenses with input laser beam size from 0.7mm to 7mm, input laser power from 1mW to 4000mW, input laser wavelength from 400nm to 1200nm, line uniformity best down to 10%. Fan angle: 7,10,15,20,30,45,60,53,70,85 and 90degree