ऑप्टिकल Bk7 प्लानो कॉन्वेक्स लेंस

PositiveimaginglensesChromaticallycorrectedSmallspotsizeAchromaticlensesarecomputeroptimizedtocorrectforon-axissphericalandchromaticaberrations.Theyconsistoftwoopticalcomponentsofdifferentrefractivein

और देखो