Adjusting Projection Image Size - Optoma EH501 User Manual

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Adjusting Projection Image Size

Refer to the graphic and table below to determine the screen size and projection
distance.
Maximum zoom
XGA model
Screen size
Diagonal
[inch (cm)]
30 (76)
40 (102)
60 (152)
80 (203)
100 (254)
120 (305)
150 (381)
200 (508)
250 (635)
300 (762)
WXGA model
Screen size
Diagonal
[inch (cm)]
30 (76)
40 (102)
60 (152)
80 (203)
100 (254)
120 (305)
150 (381)
200 (508)
250 (635)
300 (762)
EN-26
Minimum zoom
Vertical offset
Projection distance [feet (m)]
(min. zoom)
2.7 (0.85)
3.7 (1.1)
5.6 (1.7)
7.4 (2.3)
9.3 (2.8)
11.2 (3.4)
13.9 (4.3)
18.6 (5.7)
23.2 (7.1)
27.9 (8.5)
Projection distance [feet (m)]
(min. zoom)
3.0 (0.9)
4.0 (1.2)
6.0 (1.8)
8.0 (2.4)
10.0 (3.1)
12.0 (3.7)
15.0 (4.6)
20.0 (6.1)
25.0 (7.6)
30.0 (9.2)
Projection distance
4 : 3 Screen
Image height
(max. zoom)
4.5 (1.4)
5.9 (1.8)
8.9 (2.7)
11.9 (3.6)
14.8 (4.5)
17.8 (5.4)
22.3 (6.8)
29.7 (9.1)
37.2 (11.3)
44.6 (13.6)
16:10 Screen
Image height
(max. zoom)
4.6 (1.4)
6.0 (1.8)
9.0 (2.7)
12.0 (3.7
15.0 (4.6)
18.0 (5.5)
22.5 (6.9)
30.0 (9.2)
37.5 (11.4)
45.0 (13.7)
Screen
Center of lens
Vertical offset
[inch (cm)]
[inch (cm)]
18 (46)
24 (61)
36 (91)
5.4 (14)
48 (122)
7.2 (18)
60 (152)
9.0 (23)
72 (183)
10.8 (27)
90 (229)
13.5 (34)
120 (305)
18.0 (46)
150 (381)
22.5 (57)
180 (457)
27.0 (69)
Vertical offset
[inch (cm)]
[inch (cm)]
16 (40)
21 (54)
32 (81)
4.8 (12)
42 (108)
6.4 (16)
53 (135)
7.9 (20)
64 (162)
9.5 (24)
79 (202)
11.9 (30)
106 (269)
15.9 (40)
132 (336)
19.9 (50)
159 (404)
23.8 (61)
2.7 (7)
3.6 (9)
2.4 (6)
3.2 (8)

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