Screen size and projection distance, For additional infor, Setting up the projector (continued) – Eiki EIP-250 User Manual
Page 22: Normal mode (4:3), Stretch mode (16:9)
20
Setting up the Projector (Continued)
300
Љ (762 cm)
250
Љ (635 cm)
200
Љ (508 cm)
150
Љ (381 cm)
120
Љ (305 cm)
100
Љ (254 cm)
80
Љ (203 cm)
70
Љ (178 cm)
60
Љ (152 cm)
40
Љ (102 cm)
610 cm (240
Љ)
508 cm (200
Љ)
406 cm (160
Љ)
305 cm (120
Љ)
244 cm (96
Љ)
203 cm (80
Љ)
163 cm (64
Љ)
142 cm (56
Љ)
122 cm (48
Љ)
81 cm (32
Љ)
19 cm
16 cm
13 cm
10 cm
8 cm
6 cm
5 cm
4 cm
4 cm
3 cm
(7
9
/
16
Љ)
(6
19
/
64
Љ)
(5
3
/
64
Љ)
(3
25
/
32
Љ)
(3
1
/
32
Љ)
(2
33
/
64
Љ)
(2
1
/
64
Љ)
(1
49
/
64
Љ)
(1
33
/
64
Љ)
(1
1
/
64
Љ)
457 cm (180
Љ)
381 cm (150
Љ)
305 cm (120
Љ)
229 cm (90
Љ)
183 cm (72
Љ)
152 cm (60
Љ)
122 cm (48
Љ)
107 cm (42
Љ)
91 cm (36
Љ)
61 cm (24
Љ)
11.2 m (36
Ј 10Љ)
9.4 m (30
Ј 9Љ)
7.5 m (24
Ј 7Љ)
5.6 m (18
Ј 5Љ)
4.5 m (14
Ј 9Љ)
3.7 m (12
Ј 3Љ)
3.0 m (9
Ј 10Љ)
2.6 m (8
Ј 7Љ)
2.2 m (7
Ј 4Љ)
1.5 m (4
Ј 11Љ)
—
10.8 m (35
Ј 5Љ)
8.6 m (28
Ј 4Љ)
6.5 m (21
Ј 3Љ)
5.2 m (17
Ј 0Љ)
4.3 m (14
Ј 2Љ)
3.5 m (11
Ј 4Љ)
3.0 m (9
Ј 11Љ)
2.6 m (8
Ј 6Љ)
1.7 m (5
Ј 8Љ)
The formula for picture size and projection distance
[m/cm]
L1 (m) = 0.0408χ
L2 (m) = 0.0471χ
H (cm) = 0.27727χ
S (cm) = ±0.20754χ
Screen Size and Projection Distance
NORMAL Mode (4:3)
Note
concerning “Projection distance [L]” and “Distance from the lens center to the
bottom of the image [H]”.
• Allow a margin of error in the values in the diagrams above.
Picture (Screen) size
The formula for picture size and projection distance
[m/cm]
L1 (m) = 0.03745χ
L2 (m) = 0.04323χ
H (cm) = 0.064χ
χ: Picture size (diag.) (in/cm)
L: Projection distance (m/ft)
L1: Minimum projection distance (m/ft)
L2: Maximum projection distance (m/ft)
H: Distance from the lens center to the bottom of the image (cm/in)
χ: Picture size (diag.) (in/cm)
L: Projection distance (m/ft)
L1: Minimum projection distance (m/ft)
L2: Maximum projection distance (m/ft)
H: Distance from the lens center to the bottom of the image (cm/in)
S: Adjustable range of image position (cm/in) See page
Projection distance [L]
Diag. [χ]
Width
Height
Minimum [L1]
Maximum [L2]
250
Љ (635 cm)
200
Љ (508 cm)
150
Љ (381 cm)
120
Љ (305 cm)
100
Љ (254 cm)
80
Љ (203 cm)
60
Љ (152 cm)
40
Љ (102 cm)
553 cm (218
Љ)
443 cm (174
Љ)
332 cm (131
Љ)
266 cm (105
Љ)
221 cm (87
Љ)
177 cm (70
Љ)
133 cm (52
Љ)
89 cm (35
Љ)
69 cm
55 cm
42 cm
33 cm
28 cm
22 cm
17 cm
11 cm
(27
19
/
64
Љ)
(21
53
/
64
Љ)
(16
3
/
8
Љ)
(13
3
/
32
Љ)
(10
59
/
64
Љ)
(8
47
/
64
Љ)
(6
35
/
64
Љ)
(4
23
/
64
Љ)
ע52 cm
ע42 cm
ע31 cm
ע25 cm
ע21 cm
ע17 cm
ע12 cm
ע 8 cm
(
ע20
27
/
64
Љ)
(
ע16
11
/
32
Љ)
(
ע12
1
/
4
Љ)
(
ע9
13
/
16
Љ)
(
ע8
11
/
64
Љ)
(
ע6
17
/
32
Љ)
(
ע4
29
/
32
Љ)
(
ע3
17
/
64
Љ)
311 cm (123
Љ)
249 cm (98
Љ)
187 cm (74
Љ)
149 cm (59
Љ)
125 cm (49
Љ)
100 cm (39
Љ)
75 cm (29
Љ)
50 cm (20
Љ)
10.2 m (33
Ј 6Љ)
8.2 m (26
Ј 9Љ)
6.1 m (20
Ј 1Љ)
4.9 m (16
Ј 1Љ)
4.1 m (13
Ј 5Љ)
3.3 m (10
Ј 9Љ)
2.4 m (8
Ј 0Љ)
1.6 m (5
Ј 4Љ)
11.8 m (38
Ј 8Љ)
9.4 m (30
Ј 11Љ)
7.1 m (23
Ј 2Љ)
5.7 m (18
Ј 7Љ)
4.7 m (15
Ј 5Љ)
3.8 m (12
Ј 4Љ)
2.8 m (9
Ј 3Љ)
1.9 m (6
Ј 2Љ)
Distance from the lens center
to the bottom of the image [H]
Picture (Screen) size
Projection distance [L]
Diag. [χ]
Width
Height
Minimum [L1]
Maximum [L2]
Distance from the lens center to
the bottom of the image [H]
Adjustable range of
image position [S]
STRETCH Mode (16:9)
[Feet/inches]
L1 (ft) = 0.03745χ / 0.3048
L2 (ft) = 0.04323χ / 0.3048
H (in) = 0.064χ / 2.54
[Feet/inches]
L1 (ft) = 0.0408χ / 0.3048
L2 (ft) = 0.0471χ / 0.3048
H (in) = 0.27727χ / 2.54
S (in) = ±0.20754χ / 2.54