Adjusting the Screen Size and Projection Distance

Refer to the illustrations and tables below to determine the screen size and projection distance.

The values shown in the table are calculated for a full size screen a:Distance from the projector to the screen (±10%)

b:Distance from the lens center to the bottom of the screen (±10%) c:Distance from the lens center to the top of the screen (±10%)

The screen

Top view

If 4:3 aspect ratio

 

 

4

 

 

3

c

Lens center

a

The screen

Side view

Top view

Screen Size [inch (m)]

a [inch (m)]

b

c

 

Min.

Max.

[inch (cm)]

[inch (cm)]

30 (0.8)

34 (0.9)

52 (1.3)

0 (0)

18 (46)

40 (1.0)

46 (1.2)

71 (1.8)

0 (0)

24 (61)

50 (1.3)

58 (1.5)

89 (2.3)

0 (0)

30 (76)

60 (1.5)

71 (1.8)

107 (2.7)

0 (0)

36 (91)

70 (1.8)

83 (2.1)

126 (3.2)

0 (0)

42 (107)

80 (2.0)

95 (2.4)

144 (3.7)

0 (0)

48 (122)

90 (2.3)

108 (2.7)

162 (4.1)

0 (0)

54 (137)

100 (2.5)

120 (3.0)

181 (4.6)

0 (0)

60 (152)

120 (3.0)

144 (3.7)

217 (5.5)

0 (0)

72 (183)

150 (3.8)

181 (4.6)

272 (6.9)

0 (0)

90 (229)

200 (5.0)

243 (6.2)

364 (9.2)

0 (0)

120 (305)

250 (6.3)

304 (7.7)

455 (11.6)

0 (0)

150 (381)

300 (7.5)

366 (9.3)

547 (13.9)

0 (0)

180 (457)

If 16:9 aspect ratio

16

9

c

Lens center

b

a

Side view

Screen Size [inch (m)]

a [inch (m)]

 

b

 

c

 

Min.

Max.

[inch (cm)]

[inch (cm)]

30 (0.8)

37 (0.9)

57 (1.4)

2 (6.2)

17 (44)

40 (1.0)

50 (1.3)

77 (2.0)

13 (32)

27 (70)

50 (1.3)

64 (1.6)

97 (2.5)

16 (41)

31 (78)

60 (1.5)

77 (2.0)

117 (3.0)

19 (49)

34 (86)

70 (1.8)

90 (2.3)

137 (3.5)

22 (57)

37 (94)

80 (2.0)

104 (2.6)

157 (4.0)

26 (65)

40

(102)

90 (2.3)

117 (3.0)

177 (4.5)

29 (73)

43

(110)

100 (2.5)

131 (3.3)

197 (5.0)

32 (81)

47

(118)

120 (3.0)

157 (4.0)

237 (6.0)

38 (97)

53

(134)

150 (3.8)

198 (5.0)

296 (7.5)

48

(121)

63

(159)

200 (5.0)

265 (6.7)

396 (10.1)

64

(162)

78

(199)

250 (6.3)

332 (8.4)

496 (12.6)

80

(202)

94

(240)

300 (7.5)

399 (10.1)

596 (15.1)

96

(243)

110 (280)

7

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Image 8
3M MP7750, MP7650 manual Adjusting the Screen Size and Projection Distance

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