Glass selection tends to be both a science and an art. It is the intent of this paper to remove the PcT]
"mystique" surrounding glass selection, primarily based on the chromatic properties of the glass, 9,_~qWw
and to show via careful parametric analyses how we can optimally select glasses for lenses of I) ` +:+P
different f/numbers, spectral bands, and performance requirements. The important roles of "xTVu57Z[
refractive index and Abbe number as well as partial dispersion will be considered. Using the o jxK8_kl
SCHOTT glass map, six separate and identifiable regions along with glasses within each region X=m^+%iD
will be discussed. The goal for this paper is to make glass selection easier to understand.
