3 COMPOSITION AND CONSTRUCTION
EM210F-1
3-7
3.5.2 Image Forming System
O
b
je
ctiv
e len
s
MA
G
/S
A
MA
G
(4
0,
00
0 to
80
0,
000
tim
es
)
Spe
c
im
en
Spe
c
im
en
O
b
jec
tiv
e ap
er
tur
e
O
M
lens
F
iel
d limiting ape
rt
ur
e
1
s
t inte
rm
ed
ia
te
lens
2nd
inter
m
e
d
iat
e
lens
3r
d
inter
m
ed
iat
e
lens
Pr
o
jecto
r le
n
s
Film
O
b
je
ctiv
e len
s
Spe
c
im
e
O
b
jec
tiv
e ap
er
tur
e
O
M
lens
F
iel
d limiting ape
rt
ur
e
1st inter
m
ed
ia
te lens
2nd
inter
m
e
d
iat
e
lens
3r
d
inter
m
ed
iat
e
lens
Pr
o
jecto
r le
n
s
Film
HD
DI
F
F
SA
DIFF
HR DIFF
MAG
(1
,0
00
,00
0 t
o
1,
50
0,
00
0
tim
es
)
LO
W M
A
G
(5
0 t
o 4
00 ti
m
es
)
LO
W
M
A
G
(5
00
to
1
,500
ti
m
es
)
MA
G
(2
,0
00
to
6,
000
tim
es
)
LO
W
M
A
G
(2
,0
00
to
6,
00
0 t
im
es
)
MA
G
/S
A
MA
G
(8
,0
00
to
30
,0
00 t
im
es
)
Fig 3.7 Ray diagram (image forming system)
