20D DOUBLE ASPHERIC LENS Glass | Double Aspheric lens design with multi coating | an ideal for use with Indirect Ophthalmoscope for high resolution and field of view on retinal image.78D DOUBLE ASPHERIC LENS Glass | Double Aspheric lens design with multi coating | an ideal Slitlamp examination lens, combination of magnification and field of view, it is providing extended working distance from cornea.90D DOUBLE ASPHERIC LENSGlass | Double Aspheric lens design with multi coating | an ideal Slitlamp examination lens, combination of magnification and field of view, it is providing extended working distance from cornea.
