
Setup (cont.)
Screen Size and Projection Distance
H
Screen | Base line: |
| Horizontal line passing through |
| the lens center. |
90° | Lens center |
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| L:Projection distance |
NORMAL Mode (4:3)
| Picture (Screen) size |
| Projection distance (L) | Distance from the lens | |||||||
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| center to the bottom | |
Diag. (X) | Width | Height | Maximum (L1) | Minimum (L2) |
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300" (762 cm) | 240" | (610 cm) | 180" | (457 cm) |
| – | 39' 5" | (12.0 m) | 0" | (0.0 cm) | |
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250" (635 cm) | 200" | (508 cm) | 150" | (381 cm) | 39' 8" | (12.1 m) | 32' 10" | (10.0 m) | 0" | (0.0 cm) | |
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200" (508 cm) | 160" | (406 cm) | 120" (305 cm) | 31' 9" | (9.7 m) | 26' 3" | (8.0 m) | 0" | (0.0 cm) | ||
150" (381 cm) | 120" | (305 cm) | 90" | (229 cm) | 23' 9" | (7.2 m) | 19' 8" | (6.0 m) | 0" | (0.0 cm) | |
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100" (254 cm) | 80" | (203 cm) | 60" | (152 cm) | 15' 10" | (4.8 m) | 13' 1" | (4.0 m) | 0" | (0.0 cm) | |
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84" | (213 cm) | 67" | (170 cm) | 50" | (127 cm) | 13' 3" | (4.0 m) | 10' 11" | (3.3 m) | 0" | (0.0 cm) |
72" | (183 cm) | 58" | (147 cm) | 43" | (109 cm) | 11' 4" | (3.5 m) | 9' 4" | (2.9 m) | 0" | (0.0 cm) |
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60" | (152 cm) | 48" | (122 cm) | 36" | (91 cm) | 9' 5" | (2.9 m) | 7' 9" | (2.4 m) | 0" | (0.0 cm) |
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40" | (102 cm) | 32" | (81 cm) | 24" | (61 cm) | 6' 3" | (1.9 m) | 5' 2" | (1.6 m) | 0" | (0.0 cm) |
STRETCH Mode (16:9)
| Picture (Screen) size |
| Projection distance (L) | Distance from the lens | ||||||||
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Diag. (X) | Width | Height | Maximum (L1) | Minimum (L2) |
| of the image (H) | ||||||
250" (635 cm) | 218" | (554 cm) | 123" | (312 cm) |
| – | 35'9" | (10.9 m) | 27 | / 64" | ||
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225" (572 cm) | 196" | (498 cm) | 110" | (279 cm) | 38' 11" | (11.9 m) | 32' 2" | (9.8 m) | 25 | / 64" | ||
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200" (508 cm) | 174" | (442 cm) | 98" | (249 cm) | 34' 7" | (10.5 m) | 28' 7" | (8.7 m) | 22 | / 64" | ||
150" (381 cm) | 131" | (333 cm) | 74" | (188 cm) | 25' 11" | (7.9 m) | 21' 5" | (6.5 m) | 16 | / 64" | ||
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133" (338 cm) | 116" | (295 cm) | 65" | (165 cm) | 22' 11" | (7.0 m) | 18' 12" (5.8 m) | 56 | / 64" | |||
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106" (269 cm) | 92" | (234 cm) | 52" | (132 cm) | 18' 3" | (5.6 m) | 15' 1" | (4.6 m) | 42 | / 64" | ||
100" (254 cm) | 87" | (221 cm) | 49" | (124 cm) | 17' 3" | (5.3 m) | 14' 3" | (4.3 m) | 11 | / 64" | ||
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92" | (234 cm) | 80" | (203 cm) | 45" | (114 cm) | 15' 10" | (4.8 m) | 13' 1" | (4.0 m) | 33 | / 64" | |
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84" | (213 cm) | 73" | (185 cm) | 41" | (104 cm) | 14' 5" | (4.4 m) | 11' 11" | (3.6 m) | 55 | / 64" (17.4 cm) | |
72" | (183 cm) | 63" | (160 cm) | 35" | (89 cm) | 12' 4" | (3.8 m) | 10' 3" | (3.1 m) | 57 | / 64" | |
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60" | (152 cm) | 52" | (132 cm) | 29" | (74 cm) | 10' 3" | (3.1 m) | 8' 6" | (2.6 m) | 58 | / 64" | |
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40" | (102 cm) | 35" | (89 cm) | 20" | (51 cm) | 6' 10" (2.1 m) | 5' 7" | (1.7 m) | 17 | / 64" |
BORDER Mode (4:3)
| Picture (Screen) size |
| Projection distance (L) | Distance from the lens | |||||||
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| center to the bottom | |
Diag. (X) | Width | Height | Maximum (L1) | Minimum (L2) | of the image (H) | ||||||
200" (508 cm) | 160" | (406 cm) | 120" | (305 cm) |
| – | 35' 0" | (10.7 m) | |||
180" (457 cm) | 144" | (366 cm) | 108" (274 cm) | 38' 1" | (11.6 m) | 31' 6" | (9.6 m) | ||||
150" (381 cm) | 120" | (305 cm) | 90" | (229 cm) | 31' 9" | (9.7 m) | 26' 3" | (8.0 m) | |||
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100" (254 cm) | 80" | (203 cm) | 60" | (152 cm) | 21' 1" | (6.4 m) | 17' 5" | (5.3 m) | |||
84" | (213 cm) | 67" | (170 cm) | 50" | (127 cm) | 17' 9" | (5.4 m) | 14' 8" | (4.5 m) | 26 / 64" | |
72" | (183 cm) | 58" | (147 cm) | 43" | (109 cm) | 15' 2" | (4.6 m) | 12' 6" | (3.8 m) | 13 / 64" | |
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60" | (152 cm) | 48" | (122 cm) | 36" | (91 cm) | 12' 7" | (3.8 m) | 10' 5" | (3.2 m) | ||
40" | (102 cm) | 32" | (81 cm) | 24" | (61 cm) | 8' 4" | (2.6 m) | 6' 11"(2.1 m) |
The formula for picture size and projection distance
L1 (ft)
=(0.048539X – 0.037278) / 0.3048
L2 (ft)
=(0.040172X – 0.037561) / 0.3048 H (in) = 0
X:Picture size (diag.) (in)
L:Projection distance (m)
L1: Maximum projection distance (ft)
L2: Minimum projection distance (ft)
H:Distance from the lens center to the bottom of the image (in)
The formula for picture size and projection distance
L1 (ft)
=(0.052882X – 0.037278) / 0.3048
L2 (ft)
=(0.043766X – 0.037561) / 0.3048 H (in) =
The formula for picture size and projection distance
L1 (ft)
=(0.064719X – 0.037278) / 0.3048
L2 (ft)
=(0.053563X – 0.037561) / 0.3048 H (in) = 0.100X
Note
•There is an error of ± 3% in the formula above.
•Values with a minus
-24
24 | 02.4.29, 3:09 PM |