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Appendix
Technical Information
Screen size and throw distance for 16:9/4:3 aspect ratio
All measurements and the calculation results bellow are approximate and may differ slightly from the actual measurements.
16:9
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| Projection size (16 : 9) |
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| Throw distance (L) |
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Screen Diagonal | Screen height (SH) |
| Screen width (SW) | Minimum distance | Maximum distance | ||||||
(SD) |
| (LW) | (LT) | ||||||||
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(0.84 m) | 33" | 0.41 m | (1'4") |
| 0.73 m | (2'4") |
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| 1.2 m | (3'11") |
(1.02 m) | 40" | 0.50 m | (1'7") |
| 0.89 m | (2'11") |
| 1.3 m | (4'3") | 1.4 m | (4'7") |
(1.27 m) | 50" | 0.62 m | (2') |
| 1.11 m | (3'7") |
| 1.6 m | (5'2") | 1.8 m | (5'10") |
(1.52 m) | 60" | 0.75 m | (2'5") |
| 1.33 m | (4'4") |
| 1.9 m | (6'2") | 2.2 m | (7'2") |
(1.78 m) | 70" | 0.87 m | (2'10") |
| 1.55 m | (5'1") |
| 2.3 m | (7'6") | 2.6 m | (8'6") |
(2.03 m) | 80" | 1.00 m | (3'3") |
| 1.77 m | (5'9") |
| 2.6 m | (8'6") | 3.0 m | (9'10") |
(2.29 m) | 90" | 1.12 m | (3'8") |
| 1.99 m | (6'6") |
| 2.9 m | (9'6") | 3.4 m | (11'1") |
(2.54 m) | 100" | 1.25 m | (4'1") |
| 2.21 m | (7'3") |
| 3.2 m | (10'5") | 3.7 m | (12'1") |
(3.05 m) | 120" | 1.49 m | (4'10") |
| 2.66 m | (8'8") |
| 3.9 m | (12'9") | 4.5 m | (14'9") |
(3.81 m) | 150" | 1.87 m | (6'1") |
| 3.32 m (10'10") |
| 4.8 m | (15'8") | 5.6 m | (18'4") | |
(5.08 m) | 200" | 2.49 m | (8'2") |
| 4.43 m | (14'6") |
| 6.4 m (20'11") | 7.6 m (24'11") | ||
(6.35 m) | 250" | 3.11 m | (10'2") |
| 5.53 m | (18'1") |
| 8.0 m | (26'2") | 9.5 m | (31'2") |
(7.62 m) | 300" | 3.74 m | (12'3") |
| 6.64 m | (21'9") |
| 9.6 m | (31'5") | 11.4 m | (37'4") |
Calculation methods for 16:9 |
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| SW (m) = SD (") x 0.0221 |
| SH (m) = SD (") x 0.0125 |
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| LW (m) = 0.0321 x SD (") - 0.04 | LT (m) = 0.0388 x SD (") - 0.06 |
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4:3
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| Projection size (4 : 3) |
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|
| Throw distance (L) |
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Screen Diagonal | Screen height (SH) | Screen width (SW) | Minimum distance | Maximum distance | |||||||
(SD) | (LW) | (LT) | |||||||||
|
|
|
|
| |||||||
(0.84 m) | 33" | 0.50 m | (1'7") | 0.67 m | (2'2") |
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|
| 1.3 m | (4'3") | |
(1.02 m) | 40" | 0.61 m | (2') | 0.81 m | (2'7") |
| 1.4 m | (4'7") | 1.6 m | (5'2") | |
(1.27 m) | 50" | 0.76 m | (2'5") | 1.02 m | (3'4") |
| 1.8 m | (5'10") | 2.0 m | (6'6") | |
(1.52 m) | 60" | 0.91 m | (2'11") | 1.22 m | (4') |
| 2.1 m | (6'10") | 2.4 m | (7'10") | |
(1.78 m) | 70" | 1.07 m | (3'6") | 1.42 m | (4'7") |
| 2.5 m | (8'2") | 2.9 m | (9'6") | |
(2.03 m) | 80" | 1.22 m | (4') | 1.63 m | (5'4") |
| 2.8 m | (9'2") | 3.3 m | (10'9") | |
(2.29 m) | 90" | 1.37 m | (4'5") | 1.83 m | (6') |
| 3.2 m | (10'5") | 3.7 m | (12'1") | |
(2.54 m) | 100" | 1.52 m | (4'11") | 2.03 m | (6'7") |
| 3.5 m | (11'5") | 4.1 m | (13'5") | |
(3.05 m) | 120" | 1.83 m | (6') | 2.44 m | (8') |
| 4.2 m | (13'9") | 5.0 m | (16'4") | |
(3.81 m) | 150" | 2.29 m | (7'6") | 3.05 m | (10') |
| 5.3 m | (17'4") | 6.2 m | (20'4") | |
(5.08 m) | 200" | 3.05 m | (10') | 4.06 m | (13'3") |
| 7.1 m | (23'3") | 8.3 m | (27'2") | |
(6.35 m) | 250" | 3.81 m | (12'6") | 5.08 m | (16'8") |
| 8.8 m (28'10") | 10.4 m | (34'1") | ||
(7.62 m) | 300" | 4.57 m (14'11") | 6.10 m | (20') |
| 10.6 m | (34'9") | 12.5 m | (41') | ||
Calculation methods for 4:3 |
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| SW (m) = SD (") x 0.0221 |
| SH (m) = SD (") x 0.0125 |
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| LW (m) = 0.0321 x SD (") - 0.04 | LT (m) = 0.0388 x SD (") - 0.06 |
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