Rocotech - Graded Index Lenses

	Gradium™ Singlet Lenses Low F number provides higher efficiency Aspheric-like performance with reduced spherical aberration Focal lengths from 12.5 to 200mm significant reduction in spot size compared to other singlets High damage threashold coating options from 300-1800nm
Achromatic Doublets Focal lengths range from 10 to 100 mm diameters from 5 to 40 mm use with polychromatic light (486-656 nm). reduced the spherical aberration f/2-f/3

Now incorporated into Pacer International Ltd