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Adjusting the Projection Distance
AN-W6EZ
Throw distance ratio
1:1.3 to 1.7
NORMAL Mode (4:3)
WIDE Mode (16:9)
E-25
Screen size (4:3) (X)
Diag.
Width
Height
Maximum (l
300
240
180
33 11
(10.3 m)
200
160
120
22 6
(6.9 m)
150
120
90
16 10
(5.1 m)
100
80
60
11 2
(3.4 m)
84
67
50
9 4
(2.8 m)
72
58
43
8 0
(2.4 m)
60
48
36
6 7
(2.0 m)
40
32
24
4 4
(1.3 m)
The formula for screen size and projection distance
l
(Max.) = (0.0347x
0.0709)
1
l
(Min.) = (0.0267x
0.0715)
2
h
(Upper) = 0.3x
1
h
(Lower) = 0
2
Screen size (4:3) (X)
Diag.
Width
Height
Maximum (l
300
261
147
37 0
(11.3 m)
200
174
98
24 7
(7.5 m)
150
131
74
18 4
(5.6 m)
133
116
65
16 3
(5.0 m)
106
92
52
12 11
(3.9 m)
100
87
49
12 2
(3.7 m)
92
80
45
11 2
(3.4 m)
84
73
41
10 2
(3.1 m)
72
63
35
8 8
(2.7 m)
60
52
29
7 3
(2.2 m)
40
35
20
4 9
(1.4 m)
The formula for screen size and projection distance
(Max.) = (0.0378x
0.0726)
l
1
(Min.) = (0.0291x
0.0731)
l
2
(Upper) = 0.2451x
h
1
(Lower) = 0.0817x
h
2
• There is an error of
3% in the formula above.
• Values with a minus ( ) sign indicate the distance of the lens center below the bottom of the screen.
Projection distance (L)
)
Minimum (l
)
Upper lens shift position (h
1
2
26 1
(7.9 m)
17 3
(5.3 m)
12 11
(3.9 m)
8 6
(2.6 m)
7 1
(2.2 m)
6 1
(1.9 m)
5 0
(1.5 m)
3 3
(1.0 m)
x: Screen size (diag.) (X) (inches)
3.28
l: Projection distance (L) (feet)
3.28
h: Lens center to the lower edge of the screen (H) (inches)
Projection distance (L)
)
Minimum (l
)
Upper lens shift position (h
1
2
28 5
(8.7 m)
18 10
(5.8 m)
14 1
(4.3 m)
12 6
(3.8 m)
9 11
(3.0 m)
9 4
(2.8 m)
8 6
(2.6 m)
7 9
(2.4 m)
6 8
(2.0 m)
5 6
(1.7 m)
3 7
(1.1 m)
3.28
x: Screen size (diag.) (X) (inches)
3.28
l: Projection distance (L) (feet)
h: Lens center to the lower edge of the screen (H) (inches)
Lens center to the lower edge of the screen (H)
)
Lower lens shift position (h
1
7 6
(228.6 cm)
0.0
(0.0 cm)
5 0
(152.4 cm)
0.0
(0.0 cm)
3 9
(114.3 cm)
0.0
(0.0 cm)
2 6
(76.2 cm)
0.0
(0.0 cm)
2 1
(64.0 cm)
0.0
(0.0 cm)
1 10
(54.9 cm)
0.0
(0.0 cm)
1 6
(45.7 cm)
0.0
(0.0 cm)
1 0
(30.5 cm)
0.0
(0.0 cm)
Lens center to the lower edge of the screen (H)
)
Lower lens shift position (h
1
6 2
(186.8 cm)
2 1
( 62.3 cm)
4 1
(124.5 cm)
1 4
( 41.5 cm)
3 1
(93.4 cm)
1 0
( 31.1 cm)
2 9
(82.8 cm)
10.9
( 27.6 cm)
2 2
(66.0 cm)
8.7
( 22.0 cm)
2 1
(62.3 cm)
8.2
( 20.8 cm)
1 11
(57.3 cm)
7.5
( 19.1 cm)
1 9
(52.3 cm)
6.9
( 17.4 cm)
1 6
(44.8 cm)
5.9
( 14.9 cm)
1 3
(37.4 cm)
4.9
( 12.5 cm)
9.8
(24.9 cm)
3.3
( 8.3 cm)
)
2
)
2
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