Chapter 2
Getting Started
—
Setting up
3
8 - ENGLISH
Figure of projected image and throw distance
SD
L (LW/LT)
L1
L1
L (LW/LT)
SW
SH
SH
SW
Projected image
Screen
Screen
Note
f
This illustration is prepared on the assu
m
ption that the projected i
m
age size and position ha
v
e been aligned to
fi
t full in the screen.
f
This illustration is not in accurate scale.
SH
Projected i
m
age height
SW
Projected i
m
age
w
idth
SD
Projected i
m
age size
L
*
1
(
LW
/
LT
)
*
2
Projection distance
(
distance fro
m
the front end of the projection lens to the screen
)
L
1
Lens protrusion di
m
ension
(
distance fro
m
the front surface of the projector to the front end of the projection
lens
)
*
1
For details about calculating the projection distance, refer to “For
m
ula for calculating the projection distance per projection lens
”
(
x
page 5
0)
.
*
2
LW: Mini
m
u
m
projection distance
w
hen the
Z
oo
m
Lens is used
LT: Maxi
m
u
m
projection distance
w
hen the
Z
oo
m
Lens is used
(
Unit:
m)
Projection lens Model No.
Lens protrusion dimension (L1) (approximate value)
ET-D
3
LEW
10C
0
.
210
ET-D75LE
10C
0
.
12
5
ET-D
3
LES
20C/
ET-D75LE
20C
0
.
121
ET-D
3
LET
30C
0
.
1
78
ET-D75LE
30C
0
.
121
ET-D
3
LET
40C
0
.
13
5
ET-D75LE
40C
0
.
13
5
ET-D
3
LEW5
0C/
ET-D75LE5
0C
0
.
203
ET-D
3
LEW6
0C/
ET-D75LE6
0
.
212
ET-D75LE8
0
.
2
6
2
Note
f
For the adjust
m
ent range of the projected i
m
age position
w
ith the lens shift, refer to “Lens shift range
”
(
x
page 86
)
.
