這是 FIR 指令的說明 $Vp*,oRL
!7hjA=0
At any conjugate, finite or infinite: vk0b b3){D
EFL – Effective focal length 'w z6Zt
BFL – Back focal length [p+-]V
FFL – Front focal length BICG@
FNO – f/number S 6CI+W
IMG DIS– Actual image distance (SI-1 to SI) 7M/v[dwL
OAL – Overall length (S1 to SI-1) 2rV]n
ANG – Object space last field angle (in degrees) D
0 O^=v|
_1,hO?TK
PARAXIAL IMAGE ;p+[R+ )
HT – Height on image surface bQ3txuha
FMi:2.E
ENTRANCE PUPIL ?Xl;>}zj
DIA – Diameter y '[VZ$^i
THI – Distance from S1 to pupil f
OasX!=
S"4eS,5L|
EXIT PUPIL dfP4SJqq
DIA – Diameter z?^oy.
THI – Distance from SI-1 to pupil `FGYc
hm*cGYV/
Add at finite conjugates (if applicable): k5%W8dI
RED – Reduction ratio ;
I;&O5Y
FNO – f/number at actual conjugate L</k+a?H!
OBJ DIS – Object distance (SO) M>_vsI^I'
TT – Total track distance (SO to SI) d%za6=M
"g,`K s ];
PARAXIAL IMAGE
CkV5PU
THI – Paraxial image distance (from SI-1) ,g pZz$Ef(