[r]
Trang 1B
I
I
N
i i’
I
S
S’
R
’
R’
S: vật thật S’: ảnh
’
F
A
C’
A
A’
A
C1 A1
B1
B
A
I
J
K
D
i1
i2
r1 r2
A
S S’
F F’
F’
O L
(L) S
1o
2o
1
2
G
K
B
S
1
A
B
2
G
Trang 2B’
O1
O2
R1
R2
F F1
’
O
B
A
A
B
A
A’
B
A
B’
B
A O
B A
F’
B A
FB
A
Hinh 1
F’
B A
FB A
A’
B A B’
B A
A B A
B
B A
Hinh 2
B A
A=F
’
A’
B A
B’
B
A O B A
O
l
d1’
d2’
A
B A
B’
A
A’
M
fm ax x
V O
fm ax x
V O
A
B
F’
F
A’
B’
O1
O A”
B”
I
S1
I
P
C
L2
F S2