這是 FIR 指令的說明
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At any conjugate, finite or infinite: y,3ZdY"
EFL – Effective focal length -p.\fvip
BFL – Back focal length UNff&E-
FFL – Front focal length oSC'b%
FNO – f/number So'.QWzX
IMG DIS– Actual image distance (SI-1 to SI) a4=(z72xe
OAL – Overall length (S1 to SI-1) R]iV;j|
ANG – Object space last field angle (in degrees) ,0q1Id
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PARAXIAL IMAGE ?!6Itkg
HT – Height on image surface W%-XN
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ENTRANCE PUPIL E<[
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DIA – Diameter ]b!n ;{5
THI – Distance from S1 to pupil n]ba1t8ZA
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EXIT PUPIL U5OX.0
DIA – Diameter pB8D
THI – Distance from SI-1 to pupil ?YLq
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Add at finite conjugates (if applicable): K+F"V W*?
RED – Reduction ratio C;N6",s!
FNO – f/number at actual conjugate aQtd6L+ J
OBJ DIS – Object distance (SO) +*:mKx@Nw
TT – Total track distance (SO to SI) YcN|L&R.
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PARAXIAL IMAGE At4\D+J{Vs
THI – Paraxial image distance (from SI-1) cR/Nl pX