| anomchen |
2007-07-18 11:45 |
求助code v的二句英文,不太懂其中的涵意,請(qǐng)各位前輩指點(diǎn)
2.Use the RSI ray for the upper marginal ray for field 2 to determine the obscurations iLgWzA
on surfaces 2 and 3 (Hint: look at the ray height on S5). These obscurations make a /Wt<[g#
hole in the corrector to prevent the light from passing through the corrector lens 32dR`qb
twice. ]m YY1%H8M
CY9`ztO*
3. Use a targeted ray for the negative full field to hit the edge of the obscuration on L
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