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Screen Size and Projection Distance
When using a wide screen (16:9): In case of displaying the 16:9 picture on the whole of the 16:9 screen.
x : Picture (Screen) diagonal size: 40" – 500"
L : Projection distance (ft/m)
L1 : Minimum projection distance (ft/m)
L2 : Maximum projection distance (ft/m)
H : Distance from the lens center to the bottom of the image (in/cm)
Note
• Refer to page 16 concerning “Projection distance [L]” and “Distance from the lens center to the bottom of
the image [H]”.
• Allow a margin of error in the value in the diagrams above.
The formula for picture size and projection distance
Picture (Screen) size Projection distance [L]
Distance from the lens center to
the bottom of the image [H]
Diag. (x) Width Height Minimum [L1] Maximum [L2]
500" (1270 cm) 436" (1107 cm) 245" (623 cm) 51'6" (15.7 m)
—
39
3
/
8
" (100 cm)
400" (1016 cm) 349" (886 cm) 196" (498 cm) 41'2" (12.6 m) 47'6" (14.5 m) 31
1
/
2
" (80 cm)
300" (762 cm) 261" (664 cm) 147" (374 cm) 30'11" (9.4 m) 35'8" (10.9 m) 23
5
/
8
" (60 cm)
250" (635 cm) 218" (553 cm) 123" (311 cm) 25'9" (7.9 m) 29'8" (9.1 m) 19
11
/
16
" (50 cm)
200" (508 cm) 174" (443 cm) 98" (249 cm) 20'7" (6.3 m) 23'9" (7.2 m) 15
3
/
4
" (40 cm)
150" (381 cm) 131" (332 cm) 74" (187 cm) 15'5" (4.7 m) 17'10" (5.4 m) 11
13
/
16
" (30 cm)
120" (305 cm) 105" (266 cm) 59" (149 cm) 12'4" (3.8 m) 14'3" (4.3 m) 9
29
/
64
" (24 cm)
100" (254 cm) 87" (221 cm) 49" (125 cm) 10'4" (3.1 m) 11'11" (3.6 m) 7
7
/
8
" (20 cm)
80" (203 cm) 70" (177 cm) 39" (100 cm) 8'3" (2.5 m) 9'6" (2.9 m) 6
19
/
64
" (16 cm)
60" (152 cm) 52" (133 cm) 29" (75 cm) 6'2" (1.9 m) 7'2" (2.2 m) 4
23
/
32
" (12 cm)
40" (102 cm) 35" (89 cm) 20" (50 cm) 4'1" (1.3 m) 4'9" (1.4 m) 3
5
/
32
" (8 cm)
[Feet/inches]
L1 (ft) = 0.0314 x / 0.3048
L2 (ft) = 0.0362 x / 0.3048
H (in) = 0.2 x / 2.54
[m/cm]
L1 (m) = 0.0314 x
L2 (m) = 0.0362 x
H (cm) = 0.2 x
When using a normal screen (4:3): In case of displaying the 4:3 picture on the whole of the 4:3 screen.
x : Picture (Screen) diagonal size: 40" – 400"
L : Projection distance (ft/m)
L1 : Minimum projection distance (ft/m)
L2 : Maximum projection distance (ft/m)
H : Distance from the lens center to the bottom of the image (in/cm)
The formula for picture size and projection distance
Picture (Screen) size Projection distance [L]
Distance from the lens center to
the bottom of the image [H]
Diag. (x) Width Height Minimum [L1] Maximum [L2]
400" (1016 cm) 320" (813 cm) 240" (610 cm) 50'5" (15.4 m)
—
38
35
/
64
" (98 cm)
300" (762 cm) 240" (610 cm) 180" (457 cm) 37'10" (11.5 m) 43'7" (13.3 m) 28
29
/
32
" (73 cm)
250" (635 cm) 200" (508 cm) 150" (381 cm) 31'6" (9.6 m) 36'4" (11.1 m) 24
3
/
32
" (61 cm)
200" (508 cm) 160" (406 cm) 120" (305 cm) 25'3" (7.7 m) 29'1" (8.9 m) 19
17
/
64
" (49 cm)
150" (381 cm) 120" (305 cm) 90" (229 cm) 18'11" (5.8 m) 21'10" (6.6 m) 14
29
/
64
" (37 cm)
120" (305 cm) 96" (244 cm) 72" (183 cm) 15'2" (4.6 m) 17'5" (5.3 m) 11
9
/
16
" (29 cm)
100" (254 cm) 80" (203 cm) 60" (152 cm) 12'7" (3.8 m) 14'6" (4.4 m) 9
41
/
64
" (24 cm)
80" (203 cm) 64" (163 cm) 48" (122 cm) 10'1" (3.1 m) 11'8" (3.5 m) 7
45
/
64
" (20 cm)
70" (178 cm) 56" (142 cm) 42" (107 cm) 8'10" (2.7 m) 10'2" (3.1 m) 6
3
/
4
" (17 cm)
60" (152 cm) 48" (122 cm) 36" (91 cm) 7'7" (2.3 m) 8'9" (2.7 m) 5
25
/
32
" (15 cm)
40" (102 cm) 32" (81 cm) 24" (61 cm) 5'1" (1.5 m) 5'10" (1.8 m) 3
55
/
64
" (10 cm)
[Feet/inches]
L1 (ft) = 0.03843 x / 0.3048
L2 (ft) = 0.0443 x / 0.3048
H (in) = 0.24477 x / 2.54
[m/cm]
L1 (m) = 0.03843 x
L2 (m) = 0.0443 x
H (cm) = 0.24477 x
When using a normal screen (4:3): In case of setting the 16:9 picture to the full horizontal width of the 4:3 screen.
x : Screen diagonal size: 40" – 500"
L : Projection distance (ft/m)
L1 : Minimum projection distance (ft/m)
L2 : Maximum projection distance (ft/m)
H : Distance from the lens center to the bottom of the image (in/cm)
The formula for screen size and projection distance
Screen size Projection distance [L]
Distance from the lens center to
the bottom of the image [H]
Diag. (x) Width Height Minimum [L1] Maximum [L2]
500" (1270 cm) 400" (1016 cm) 300" (762 cm) 47'3" (14.4 m)
—
36
9
/
64
" (92 cm)
400" (1016 cm) 320" (813 cm) 240" (610 cm) 37'10" (11.5 m) 43'7" (13.3 m) 28
29
/
32
" (73 cm)
300" (762 cm) 240" (610 cm) 180" (457 cm) 28'4" (8.6 m) 32'8" (10.0 m) 21
11
/
16
" (55 cm)
250" (635 cm) 200" (508 cm) 150" (381 cm) 23'8" (7.2 m) 27'3" (8.3 m) 18
1
/
16
" (46 cm)
200" (508 cm) 160" (406 cm) 120" (305 cm) 18'11" (5.8 m) 21'10" (6.6 m) 14
29
/
64
" (37 cm)
150" (381 cm) 120" (305 cm) 90" (229 cm) 14'2" (4.3 m) 16'4" (5.0 m) 10
27
/
32
" (28 cm)
120" (305 cm) 96" (244 cm) 72" (183 cm) 11'4" (3.5 m) 13'1" (4.0 m) 8
43
/
64
" (22 cm)
100" (254 cm) 80" (203 cm) 60" (152 cm) 9'5" (2.9 m) 10'11" (3.3 m) 7
15
/
64
" (18 cm)
80" (203 cm) 64" (163 cm) 48" (122 cm) 7'7" (2.3 m) 8'9" (2.7 m) 5
25
/
32
" (15 cm)
70" (178 cm) 56" (142 cm) 42" (107 cm) 6'7" (2.0 m) 7'8" (2.3 m) 5
1
/
16
" (13 cm)
60" (152 cm) 48" (122 cm) 36" (91 cm) 5'8" (1.7 m) 6'6" (2.0 m) 4
11
/
32
" (11 cm)
40" (102 cm) 32" (81 cm) 24" (61 cm) 3'9" (1.2 m) 4'4" (1.3 m) 2
57
/
64
" (7 cm)
[Feet/inches]
L1 (ft) = 0.02882 x / 0.3048
L2 (ft) = 0.03323 x / 0.3048
H (in) = 0.18358 x / 2.54
[m/cm]
L1 (m) = 0.02882 x
L2 (m) = 0.03323 x
H (cm) = 0.18358 x
Setting Up the Projector (Continued)