這是 FIR 指令的說明 ez4!5&TzRm
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At any conjugate, finite or infinite: "> uN={Iy
EFL – Effective focal length /-=fWtA
BFL – Back focal length {>&~kM@
FFL – Front focal length gesbt
FNO – f/number ~ELY$G.xl
IMG DIS– Actual image distance (SI-1 to SI) MDMd$] CW
OAL – Overall length (S1 to SI-1) '3.\+^3
ANG – Object space last field angle (in degrees) #A63?kDE&&
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PARAXIAL IMAGE , 5DJ54B!
HT – Height on image surface ;m/e|_4;y
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ENTRANCE PUPIL Mk! Fy]3
DIA – Diameter h$S#fY8
THI – Distance from S1 to pupil L3&Ys3-h
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EXIT PUPIL q? ,PFvs"
DIA – Diameter F%>$WN#2
THI – Distance from SI-1 to pupil 5#Er& 6s
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Add at finite conjugates (if applicable): IUMv{2C
RED – Reduction ratio fI.|QD*$b
FNO – f/number at actual conjugate <T 2O^
OBJ DIS – Object distance (SO) ">V&{a-C4
TT – Total track distance (SO to SI) V"Q\7,_k.
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PARAXIAL IMAGE U%3N=M
THI – Paraxial image distance (from SI-1) mxNd
