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Perfluoroalkylether macromer having two polymerizable groupsThe Sloan Digital Sky Survey Quasar Lens Search. II. Statistical Lens Sample from the Third Data ReleaseScientists Develop Focus-Changing Eyeglass LensesAn Evolutionary Design for f-theta Lenses.Holographic femtosecond laser processing by use of a liquid crystal spatial light modulator - art. no. 683205Four lenses indexExperimental compensation of parasitic octopole aberrations in small-bore quadrupole lensesCosmological parameters from lenses distance ratioOPTICAL COLLIMATORS - CeramOptec Industries Inc., Sub. of biolitec AG, Industrial Fiber OpticsMulti-cavity injection molding method for fabricating solar lenses