這是 FIR 指令的說明 2[V9`r8*
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At any conjugate, finite or infinite: xY=%+o.?*
EFL – Effective focal length -W\ 1n#J
BFL – Back focal length #
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FFL – Front focal length x%`.L6rj
FNO – f/number 4nz$J a)
IMG DIS– Actual image distance (SI-1 to SI) e,X {.NS
OAL – Overall length (S1 to SI-1) ir?Y>
ANG – Object space last field angle (in degrees) 9 aa cW
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PARAXIAL IMAGE d1{%z\u
a
HT – Height on image surface !A|ayYBb\
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ENTRANCE PUPIL RAs 5<US:
DIA – Diameter Z37%jd r
THI – Distance from S1 to pupil D8O&`!mf
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EXIT PUPIL o_#F,gze)S
DIA – Diameter |'SgGg=E
THI – Distance from SI-1 to pupil O={
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Add at finite conjugates (if applicable): @&F\ M}
RED – Reduction ratio },& =r= B
FNO – f/number at actual conjugate TNj WZ
OBJ DIS – Object distance (SO) qJZ:\u8oO
TT – Total track distance (SO to SI) x 3C^ S ~
fnJ!~b*qo
PARAXIAL IMAGE ln* _mM/Q%
THI – Paraxial image distance (from SI-1) &f"kWOe$X
