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H
L
Side View
Screen
Lens center
Screen Size and Projection Distance
The projection screen size varies according to the distance from the lens of the projector to the screen.
Install the projector so that projected images are projected onto the screen at the optimum size by referring
to the table below. Use the values in the table as a reference when installing the projector.
Picture (Screen) size Projection distance [L]
Diag. [
χ
] Width Height Minimum [L1] Maximum [L2]
200" (508 cm) 443 cm (174") 249 cm (98") 5.29 m (17' 4") 7.95 m (26' 0") 8.3 cm (3
9
/32")
150" (381 cm) 332 cm (131") 187 cm (74") 3.95 m (12' 11") 5.95 m (19' 6") 6.2 cm (2
29
/64")
100" (254 cm) 221 cm (87") 125 cm (49") 2.62 m (8' 7") 3.95 m (12' 11") 4.2 cm (1
21
/32")
80" (203 cm) 177 cm (70") 100 cm (39") 2.08 m (6' 9") 3.15 m (10' 4") 3.3 cm (1
5
/16")
70" (178 cm) 155 cm (61") 87 cm (34") 1.82 m (5' 11") 2.75 m (9' 0") 2.9 cm (1
5
/32")
60" (152 cm) 133 cm (52") 75 cm (29") 1.55 m (5' 1") 2.35 m (7' 8")
2.5 cm (
63
/64")
40" (102 cm) 89 cm (35") 50 cm (20") 1.01 m (3' 3") 1.55 m (5' 1")
1.7 cm (
43
/64")
Distance from the bottom of the image to
the lens center [H]
χ
: Picture size (diag.) (in/cm)
L: Projection distance (m/ft)
L1: Minimum projection distance (m/ft)
L2: Maximum projection distance (m/ft)
H: Distance from the bottom of the image to the lens center (cm/in)
Note
• There may be an error of ± 3% in the above values.
χ
: Picture size (diag.) (in/cm)
L: Projection distance (m/ft)
L1: Minimum projection distance (m/ft)
L2: Maximum projection distance (m/ft)
H: Distance from the bottom of the image to the lens center (cm/in)
Distance from the bottom of the image to
the lens center [H]
When using a wide screen (16:9):
In case of displaying the 16:9 picture on the whole of the 16:9 screen.
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.
Picture (Screen) size Projection distance [L]
Diag. [
χ
] Width Height Minimum [L1] Maximum [L2]
200" (508 cm) 406 cm (160") 305 cm (120") 4.85 m (15' 10") 7.29 m (23' 11") 7.62 cm (3")
150" (381 cm) 305 cm (120") 229 cm (90") 3.62 m (11' 10") 5.45 m (17' 10") 5.72 cm (2
17
/64")
100" (254 cm) 203 cm (80") 152 cm (60") 2.40 m (7' 10") 3.62 m (11' 10") 3.81 cm (1
1
/2")
80" (203 cm) 163 cm (64") 122 cm (48") 1.91 m (6' 3") 2.88 m (9' 5") 3.05 cm (1
13
/64")
70" (178 cm) 142 cm (56") 107 cm (42") 1.66 m (5' 5") 2.52 m (8' 3") 2.67 cm (1
1
/16")
60" (152 cm) 122 cm (48") 91 cm (36") 1.42 m (4' 7") 2.15 m (7' 0") 2.29 cm (
57
/64")
40" (102 cm) 81 cm (32") 61 cm (24") 0.93 m (3' 0") 1.42 m (4' 7") 1.52 cm (
39
/64")
The formula for picture size and projection distance
[m/cm] [Feet/inches]
L1 (m) = 0.02671
χ
–0.05334 L1 (ft) = (0.02671
χ
–0.05334) / 0.3048
L2 (m) = 0.03999
χ
–0.05215 L2 (ft) = (0.03999
χ
–0.05215) / 0.3048
H (cm) = 0.04151
χ
H (in) = 0.04151
χ
/ 2.54
The formula for picture size and projection distance
[m/cm] [Feet/inches]
L1 (m) = 0.02452
χ
–0.05334 L1 (ft) = (0.02452
χ
–0.05334) / 0.3048
L2 (m) = 0.03671
χ
–0.05215 L2 (ft) = (0.03671
χ
–0.05215) / 0.3048
H (cm) = 0.03810
χ
H (in) = 0.03810
χ
/ 2.54
EIP-1500T_E_P16_18.p65 5/22/05, 5:46 PM17