Screen Size and Projection Distance
NORMAL Mode (4:3)
Picture (Screen) size |
| Projection distance [L] | Distance from the lens center to |
| Distance from the lens | ||||||||||
| the bottom of the image [H] |
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| the image [W] | |
Diag. [χ] | Width | Height | Minimum [L1] | Maximum [L2] | Lower [H1] | Upper [H2] |
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250" (635 cm) | 508 cm | (200") | 381 cm | (150") | 11.4 m (37' | 6") | 15.2 m | (50' | 0") | 0 cm | (0") | ±76.2 cm | (30") | ||
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200" (508 cm) | 406 cm | (160") | 305 cm | (120") | 9.1 m (30' | 0") | 12.2 m | (40' | 0") | 0 cm | (0") | ±61.0 cm | (24") | ||
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150" (381 cm) | 305 cm | (120") | 229 cm | (90") | 6.9 m (22' | 6") | 9.1 m | (30' | 0") | 0 cm | (0") | ±45.7 cm | (18") | ||
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100" (254 cm) | 203 cm | (80") | 152 cm | (60") | 4.6 m (15' | 0") | 6.1 m | (20' | 0") | 0 cm | (0") | ±30.5 cm | (12") | ||
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84" (213 cm) | 171 cm | (67") | 128 cm | (50") | 3.8 m (12' | 7") | 5.1 m | (16'10") | 0 cm | (0") | ±25.6 cm | (10 5/64") | |||
80" (203 cm) | 163 cm | (64") | 122 cm | (48") | 3.7 m (12' | 0") | 4.9 m | (16' | 0") | 0 cm | (0") | ±24.4 cm | (9 19/32") | ||
72" (183 cm) | 146 cm | (58") | 110 cm | (43") | 3.3 m (10'10") | 4.4 m | (14' | 5") | 0 cm | (0") | ±21.9 cm | (8 41/64") | |||
70" (178 cm) | 142 cm | (56") | 107 cm | (42") | 3.2 m (10' | 6") | 4.3 m | (14' | 0") | 0 cm | (0") | ±21.3 cm | (8 13/32") | ||
60" (152 cm) | 122 cm | (48") | 91 cm | (36") | 2.7 m (9' | 0") | 3.7 m | (12' | 0") | 0 cm | (0") | ±18.3 cm | (7 13/64") |
χ: | Picture size (diag.) (in/cm) | The formula for picture size and projection distance | |
L: | Projection distance (m/ft) | [m/cm] | |
L1: | Minimum projection distance (m/ft) | L1 | (m) = 0.04572χ |
L2: | Maximum projection distance (m/ft) | L2 | (m) = 0.06096χ |
H: | Distance from the lens center to the bottom of the image (cm/in) | H1 (cm) = | |
H1: | Lower distance from the lens center to the bottom of the image (cm/in) | W (cm) = ±0.3048χ | |
H2: | Upper distance from the lens center to the bottom of the image (cm/in) | [Feet/inches] | |
W: | Distance from the lens center to the center of the image (cm/in) | L1 | (ft) = 0.04572χ / 0.3048 |
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| L2 | (ft) = 0.06096χ / 0.3048 |
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| H1 (in) = | |
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| W (in) = ±0.3048χ / 2.54 |
STRETCH Mode (16:9)
| Picture (Screen) size |
| Projection distance [L] | Distance from the lens center to | Distance from the lens | ||||||||||||
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Diag. [χ] | Width | Height | Minimum [L1] | Maximum [L2] | Lower [H1] | Upper [H2] | the image [W] | ||||||||||
225" | (572 cm) | 498 cm | (196") | 280 cm | (110") | 11.2 m | (36' | 9") | 14.9 m | (49' | 0") | 46.7 cm | (18 25/64") | ±74.7 cm | (29 27/64") | ||
200" | (508 cm) | 443 cm | (174") | 249 cm | (98") | 10.0 m | (32' | 8") | 13.3 m | (43' | 7") | 41.5 cm | (16 11/32") | ±66.4 cm | (26 9/64") | ||
150" | (381 cm) | 332 cm | (131") | 187 cm | (74") | 7.5 m | (24' | 6") | 10.0 m | (32' | 8") | 31.1 cm | (12 1/4") | ±49.8 cm | (19 39/64") | ||
133" | (338 cm) | 294 cm | (116") | 166 cm | (65") | 6.6 m | (21' | 9") | 8.8 m | (29' | 0") | 27.6 cm | (10 7/8") | ±44.2 cm | (17 25/64") | ||
106" | (269 cm) | 235 cm | (92") | 132 cm | (52") | 5.3 m | (17' | 4") | 7.0 m | (23' | 1") | 22.0 cm | (8 21/32") | ±35.2 cm | (13 55/64") | ||
100" | (254 cm) | 221 cm | (87") | 125 cm | (49") | 5.0 m | (16' | 4") | 6.6 m | (21' | 9") | 20.8 cm | (8 11/64") | ±33.2 cm | (13 5/64") | ||
92" | (234 cm) | 204 cm | (80") | 115 cm | (45") | 4.6 m | (15' | 0") | 6.1 m | (20' | 1") | 19.1 cm | (7 33/64") | ±30.6 cm | (12 1/32") | ||
84" | (213 cm) | 186 cm | (73") | 105 cm | (41") | 4.2 m | (13' | 9") | 5.6 m | (18' | 4") | 17.4 cm | (6 55/64") | ±27.9 cm | (10 63/64") | ||
72" | (183 cm) | 159 cm | (63") | 90 cm | (35") | 3.6 m | (11' | 9") | 4.8 m | (15' | 8") | 14.9 cm | (5 57/64") | ±23.9 cm | (9 13/32") | ||
60" | (152 cm) | 133 cm | (52") | 75 cm | (29") | 3.0 m | (9'10") | 4.0 m | (13' | 1") | 12.5 cm | (4 29/32") | ±19.9 cm | (7 27/32") |
χ: | Picture size (diag.) (in/cm) | The formula for picture size and projection distance | |
L: | Projection distance (m/ft) | [m/cm] | |
L1: | Minimum projection distance (m/ft) | L1 | (m) = 0.04981χ |
L2: | Maximum projection distance (m/ft) | L2 | (m) = 0.06641χ |
H: | Distance from the lens center to the bottom of the image (cm/in) | H1 | (cm) = |
H1: | Lower distance from the lens center to the bottom of the image (cm/in) | H2 | (cm) = 0.20754χ |
H2: | Upper distance from the lens center to the bottom of the image (cm/in) | W (cm) = ±0.33207χ | |
W: | Distance from the lens center to the center of the image (cm/in) | [Feet/inches] | |
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| L1 | (ft) = 0.04981χ / 0.3048 |
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| L2 | (ft) = 0.06641χ / 0.3048 |
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| H1 | (in) = |
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| H2 | (in) = 0.20754χ / 2.54 |
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| W (in) = ±0.33207χ / 2.54 |
Note
•Allow a margin of error in the value in the diagrams above.
•When the distance from the lens center to the bottom of the image [H] is a negative number, this indicates that the bottom of the image is below the lens center.
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