Optoma HD7100 User Manual - Page 23

Screen Size and Projection Distance

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Screen Size and Projection DistanceȮ x When using a wide screen (16:9) project the image on the whole area of the 16:9 screen. zy 16 9 : Picture area Screen Size (16:9) Projection Distance Diagonal Width Height 300" (762 cm) 261" (664 cm) 147" (374 cm) 250" (635 cm) 218" (553 cm) 123" (311 cm) 200" (508 cm) 174" (443 cm) 98" (249 cm) 150" (381 cm) 131" (332 cm) 74" (187 cm) 133" (338 cm) 116" (294 cm) 65" (166 cm) 106" (269 cm) 92" (234 cm) 52" (132 cm) 100" (254 cm) 87" (221 cm) 49" (125 cm) 92" (234 cm) 80" (204 cm) 45" (115 cm) 84" (213 cm) 73" (186 cm) 41" (105 cm) 72" 183 cm) 63" (159 cm) 35" (90 cm) 60" (152 cm) 52" (132 cm) 29" (75 cm) 40" (102 cm) 35" (89 cm) 20" (50 cm) Max 37'6" (11.4 m) 31'3" (9.5 m) 24'12" (7.6 m) 18'9" (5.7 m) 16'7" (5.1 m) 13'3" (4.0 m) 12'6" (3.8 m) 11'6" (3.5 m) 10'6" (3.2 m) 9'00" (2.7 m) 7'6" (2.3 m) 5'00" (1.5 m) Min 29'10" (9.1 m) 24'11" (7.6 m) 19'11" (6.1 m) 14'11" (4.6 m) 13'3" (4.0 m) 10'7" (3.2 m) 9'11" (3.0 m) 9'2" (2.8 m) 8'4" (2.5 m) 7'2" (2.2 m) 6'00" (1.8 m) 4'00" (1.2 m) Distance from lens center to the lower edge of the image upper lower 0" (0 cm) -12'3" (-374 cm) 0" (0 cm) -10'3" (-311 cm) 0" (0 cm) -8'2" (-249 cm) 0" (0 cm) -6'2" (-187 cm) 0" (0 cm) -5'5" (-166 cm) 0" (0 cm) -4'4" (-132 cm) 0" (0 cm) -4'1" (-125 cm) 0" (0 cm) -3'9" (-115 cm) 0" (0 cm) -3'5" (-105 cm) 0" (0 cm) -2'11" (-90 cm) 0" (0 cm) -2'5" (-75 cm) 0" (0 cm) -1'8" (-50 cm) The formula for screen size and projection distance y1(max)=0.038089291x y2(min)=0.030344196x z1 (Upper) = 0 z2(lower)=1.245263549x x: Screen size (diag.) (meter) y: Projection distance (feet) z: Distance from the lens center to the lower edge of the image (centimeter) Notes • There is a tolerance of ±3% in the formula above. • Values with a minus (-) sign indicate the distance of the lens center below the bottom of the image. Connections and Setup 23

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Connections and Setup
23
Screen Size and Projection Distance
When using a wide screen (16:9) project the image on the
whole area of the 16:9 screen.
z
x
y
9
16
: Picture area
The formula for screen size and projection distance
Screen Size (16:9)
Projection Distance
Distance from lens center to
the lower edge of the image
Diagonal
Width
Height
Max
Min
upper
lower
300” (762 cm)
261” (664 cm)
147" (374 cm)
37'6" (11.4 m)
29'10" (9.1 m)
0” (0 cm)
-12’3” (-374 cm)
250” (635 cm)
218” (553 cm)
123" (311 cm)
31'3" (9.5 m)
24'11" (7.6 m)
0” (0 cm)
-10’3” (-311 cm)
200” (508 cm)
174” (443 cm)
98" (249 cm)
24'12" (7.6 m)
19'11" (6.1 m)
0” (0 cm)
-8’2” (-249 cm)
150” (381 cm)
131” (332 cm)
74" (187 cm)
18'9" (5.7 m)
14'11" (4.6 m)
0” (0 cm)
-6’2” (-187 cm)
133” (338 cm)
116” (294 cm)
65" (166 cm)
16'7" (5.1 m)
13'3" (4.0 m)
0” (0 cm)
-5’5” (-166 cm)
106” (269 cm)
92” (234 cm)
52" (132 cm)
13'3" (4.0 m)
10'7" (3.2 m)
0” (0 cm)
-4’4” (-132 cm)
100” (254 cm)
87” (221 cm)
49" (125 cm)
12'6" (3.8 m)
9'11" (3.0 m)
0” (0 cm)
-4’1” (-125 cm)
92” (234 cm)
80” (204 cm)
45" (115 cm)
11'6" (3.5 m)
9'2" (2.8 m)
0” (0 cm)
-3’9” (-115 cm)
84” (213 cm)
73” (186 cm)
41" (105 cm)
10'6" (3.2 m)
8'4" (2.5 m)
0” (0 cm)
-3’5” (-105 cm)
72” 183 cm)
63” (159 cm)
35" (90 cm)
9'00" (2.7 m)
7'2" (2.2 m)
0” (0 cm)
-2’11” (-90 cm)
60” (152 cm)
52” (132 cm)
29" (75 cm)
7'6" (2.3 m)
6'00" (1.8 m)
0” (0 cm)
-2’5” (-75 cm)
40” (102 cm)
35” (89 cm)
20" (50 cm)
5'00" (1.5 m)
4'00" (1.2 m)
0” (0 cm)
-1’8” (-50 cm)
y1(max)=0.038089291x
y2(min)=0.030344196x
z1 (Upper) = 0
z2(lower)=1.245263549x
x: Screen size (diag.) (meter)
y: Projection distance (feet)
z: Distance from the lens center to the lower
edge of the image (centimeter)
Notes
•
There is a tolerance of ±3% in the formula above.
•
Values with a minus (–) sign indicate the distance of the lens center below
the bottom of the image.