這是 FIR 指令的說明 5WN Z7cO
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At any conjugate, finite or infinite: ]<?)(xz
EFL – Effective focal length ZvKMRW
BFL – Back focal length 4gNRln-
FFL – Front focal length 9{#|sABGD
FNO – f/number ^<Tp-,J$EN
IMG DIS– Actual image distance (SI-1 to SI) >o=p5#{
OAL – Overall length (S1 to SI-1) YGmdiY:;1
ANG – Object space last field angle (in degrees) j7 3@Yi%
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PARAXIAL IMAGE E.bbIV6mQ
HT – Height on image surface 9>>}-;$
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ENTRANCE PUPIL RUtS_Z&
DIA – Diameter J0! E@
THI – Distance from S1 to pupil M\6v}kUY
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EXIT PUPIL }f'1x%RS^
DIA – Diameter $NRb'
THI – Distance from SI-1 to pupil { xoo9jq-
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Add at finite conjugates (if applicable): ,FVy:"FR
RED – Reduction ratio dkp[?f)x
FNO – f/number at actual conjugate ay|{!MkQ
OBJ DIS – Object distance (SO) cTTE]ix]
TT – Total track distance (SO to SI) p>O< "X@
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PARAXIAL IMAGE e;[8GE.
THI – Paraxial image distance (from SI-1) 3) 0~: