Optoma W311 User Manual - Page 25

Adjusting Projection Image Size

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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 Minimum zoom Screen Center of lens Vertical offset Projection distance SVGA/XGA 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) 4 : 3 Screen Projection distance [feet (m)] Image height (min. zoom) (max. zoom) [inch (cm)] 3.83 (1.17) 4.33 (1.32) 18 (46) 5.17 (1.57) 5.75 (1.75) 24 (61) 7.83 (2.39) 8.67 (2.64) 36 (91) 10.42 (3.18) 11.58 (3.53) 48 (122) 13.08 (3.99) 14.58 (4.45) 60 (152) 15.75 (4.80) 17.5 (5.33) 72 (183) 19.67 (5.99) 21.83 (6.65) 90 (229) 26.25 (8.00) 29.17 (8.89) 120 (305) 32.83 (10.00) 36.5 (11.13) 150 (381) 39.42 (12.01) 43.75 (13.34) 180 (457) Vertical offset [inch (cm)] 2.7 (7) 3.6 (9) 5.4 (14) 7.2 (18) 9.0 (23) 10.8 (27) 13.5 (34) 18.0 (46) 22.5 (57) 27.0 (69) EN-25

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EN-25
Adjusting Projection Image Size
Refer to the graphic and table below to determine the screen size and projection
distance.
SVGA/XGA
Screen size
Diagonal
[inch (cm)]
4 : 3 Screen
Projection distance [feet (m)]
Image height
[inch (cm)]
Vertical offset
[inch (cm)]
(min. zoom)
(max. zoom)
30 (76)
3.83 (1.17)
4.33 (1.32)
18 (46)
2.7 (7)
40 (102)
5.17 (1.57)
5.75 (1.75)
24 (61)
3.6 (9)
60 (152)
7.83 (2.39)
8.67 (2.64)
36 (91)
5.4 (14)
80 (203)
10.42 (3.18)
11.58 (3.53)
48 (122)
7.2 (18)
100 (254)
13.08 (3.99)
14.58 (4.45)
60 (152)
9.0 (23)
120 (305)
15.75 (4.80)
17.5 (5.33)
72 (183)
10.8 (27)
150 (381)
19.67 (5.99)
21.83 (6.65)
90 (229)
13.5 (34)
200 (508)
26.25 (8.00)
29.17 (8.89)
120 (305)
18.0 (46)
250 (635)
32.83 (10.00)
36.5 (11.13)
150 (381)
22.5 (57)
300 (762)
39.42 (12.01)
43.75 (13.34)
180 (457)
27.0 (69)
Maximum zoom
Minimum zoom
Projection distance
Center of lens
Screen
Vertical offset