這是 FIR 指令的說明 2Oi' E
f9F2U
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At any conjugate, finite or infinite: X <FOn7qf
EFL – Effective focal length Y Z\@)D;
BFL – Back focal length e>!E=J) j
FFL – Front focal length ~o Fh>9u
FNO – f/number .q inR 6=
IMG DIS– Actual image distance (SI-1 to SI) OQc{
V
OAL – Overall length (S1 to SI-1) J {!'f|
J
ANG – Object space last field angle (in degrees) cD8Ea(
6Pijvx^0
PARAXIAL IMAGE (HJ$lxk<2h
HT – Height on image surface - p^'XL*Z
4Pf+]R
ENTRANCE PUPIL k- vA#
DIA – Diameter `:gYXeR
THI – Distance from S1 to pupil jYk5~<\k
%-r?= L
EXIT PUPIL NQ{-&#@/v
DIA – Diameter %r P !
THI – Distance from SI-1 to pupil _'lmCj8L
\*J.\f
Add at finite conjugates (if applicable): 9.]kOs_
RED – Reduction ratio ,P~QS
FNO – f/number at actual conjugate 22'vm~2E
OBJ DIS – Object distance (SO) r} ,lu=em
TT – Total track distance (SO to SI) b?>VPuyBb
nUqL\(UuY
PARAXIAL IMAGE F; W'
THI – Paraxial image distance (from SI-1) M#T# :wf~
