Features Advances In High-Index / Low-Dispersion Optical Glasses, New Barrel Materials, And ExoticAnti-Reflection Coatings, Along With The Latest In Computer-Aided-Design Computer-Aided-Manufacturing), Are Combined To Produce Lenses Of UnprecedentedQuality. Rather Than Raising The Cost Of Opteka Lenses, However, These AdvancedMaterials And Techniques Allow More Efficient And Economical Production. Read More

Technorati Tags: Canon Powershot