| 西鉑萊恩 |
2011-09-16 14:20 |
glass selection
Glass selection tends to be both a science and an art. It is the intent of this paper to remove the kpfwqHT
"mystique" surrounding glass selection, primarily based on the chromatic properties of the glass, }4%/ pOi:f
and to show via careful parametric analyses how we can optimally select glasses for lenses of 8{&["?
different f/numbers, spectral bands, and performance requirements. The important roles of H!IDV }dn
refractive index and Abbe number as well as partial dispersion will be considered. Using the (N~$x
SCHOTT glass map, six separate and identifiable regions along with glasses within each region `T!#@&+
will be discussed. The goal for this paper is to make glass selection easier to understand.
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