這是 FIR 指令的說明 o1u? H 4z
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At any conjugate, finite or infinite: :-1
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EFL – Effective focal length +rOd0?
BFL – Back focal length /1LQx>1d
FFL – Front focal length uJ L[m(G
FNO – f/number etH]-S
IMG DIS– Actual image distance (SI-1 to SI) "A& HNk Rz
OAL – Overall length (S1 to SI-1) ]llvG \
ANG – Object space last field angle (in degrees) Bl v @u ?
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PARAXIAL IMAGE gJuA*^
HT – Height on image surface CWM_J9f
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ENTRANCE PUPIL |kkg1M#
DIA – Diameter 0-zIohSJdQ
THI – Distance from S1 to pupil P:v|JER
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EXIT PUPIL TllIs&MCe
DIA – Diameter " IC0v9
THI – Distance from SI-1 to pupil _.3O(? p,
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Add at finite conjugates (if applicable): W=
$, \D+
RED – Reduction ratio +[$ Q C*
FNO – f/number at actual conjugate x<[W9Z'~?9
OBJ DIS – Object distance (SO) ]"4 \]_?r
TT – Total track distance (SO to SI) @ (LEuYq}
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PARAXIAL IMAGE Y @[Dy
THI – Paraxial image distance (from SI-1) L:RMZp*bK
