These shatter-free clear plastic lenses have polished surfaces and a refractive index of 1.5. They are 6cm long with frosted bottom surfaces for better ray visibility, except where noted. They are 12-15mm tall. Choose converging or diverging lenses or semicircular lenses for refractive index measurements.
How is savings calculated? We
multiply the savings per unit (in parenthesis) times the
total units of the original product.