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Adjust the picture size and focus
Turn the zoom ring to adjust picture size.
Turn the focus ring to adjust the focus.
Picture size and projection ditance chart
Screen
NORMAL Mode (4:3)
Picture (Screen) size
Diag. (X)
Width
300" (762 cm) 240" (609.6 cm) 180" (457.2 cm) 30' 5"
250" (635 cm) 200" (508 cm) 150" (381 cm)
200" (508 cm) 160" (406.4 cm) 120" (304.8 cm) 20' 3"
150" (381 cm) 120" (304.8 cm) 90" (228.6 cm) 15' 2"
100" (254 cm) 80" (203.2 cm) 60" (152.4 cm) 10'
84" (213.3 cm) 67" (170.1 cm) 50" (127 cm)
72" (182.8 cm) 58" (147.3 cm) 43" (109.2 cm)
60" (152.4 cm) 48" (121.9 cm) 36" (91.4 cm)
40" (101.6 cm) 32" (81.2 cm)
STRETCH Mode (16:9)
Picture (Screen) size
Diag. (X)
Width
300" (762 cm) 261" (662.9 cm) 147" (373.4 cm) 33' 2" (10.10 m) 26' 5" (8.04 m) –5
250" (635 cm) 218" (553.7 cm) 123" (312.4 cm) 27' 7"
225" (571.5 cm) 196" (497.8 cm) 110" (279.4 cm) 24'10"
200" (508 cm) 174" (441.9 cm) 98" (248.9 cm)
150" (381 cm) 131" (332.7 cm) 74" (188 cm)
133" (337.8 cm) 116" (294.6 cm) 65" (165.1 cm)
106" (269.2 cm) 92" (233.6 cm) 52" (132 cm)
100" (254 cm) 87" (220.9 cm) 49" (124.4 cm) 10'11"
92" (233.6 cm) 80" (203.2 cm) 45" (114.3 cm) 10' 1"
84" (213.3 cm) 73" (185.4 cm) 41" (104.1 cm)
72" (182.8 cm) 63" (160 cm)
60" (152.4 cm) 52" (132 cm)
40" (101.6 cm) 35" (88.9 cm)
Note
• There is error of ±3% in the formula above.
• Values with a minus(–) sign indicate the distance of the lens center below the bottom of screen.
-3
Downloaded from:
H
L : Projection distance
Projection distance (L)
Height
Maximum (L1)
(9.26 m) 24' 3" (7.38 m) 17
25' 4"
(7.71 m)
(6.15 m) 16' 1" (4.89 m) 11
(4.60 m) 12'
(3.04 m)
8' 4"
(2.54 m)
7' 2"
(2.17 m)
5'11"
(1.80 m)
24" (60.9 cm)
3'11"
(1.18 m)
Projection distance (L)
Height
Maximum (L1)
(8.40 m) 22'
(7.55 m) 19' 9" (6.01 m)
22' 1"
(6.71 m) 17' 7" (5.34 m)
16' 6"
(5.01 m) 13' 2" (3.99 m)
14' 7"
(4.44 m) 11' 7" (3.53 m)
11' 7"
(3.52 m)
(3.32 m)
(3.05 m)
9' 2"
(2.78 m)
35" (88.9 cm)
7'10"
(2.37 m)
29" (73.6 cm)
6' 6"
(1.97 m)
20" (50.8 cm)
4' 3"
(1.29 m)
http://www.usersmanualguide.com/
Base line:
Horizontal line passing through
the lens center
Lens center
Distance from the lens center
to the bottom of the image (H)
Minimum (L2)
3 / 4"
20' 2" (6.14 m)
14
13 / 16"
13 / 16"
(3.65 m)
8
7 / 8"
7' 11" (2.41 m)
5
7 / 8"
6' 8" (2.02 m)
4
15 / 16"
5' 8" (1.72 m)
4
1 / 4"
4' 8" (1.42 m)
3
9 / 16"
3' 1" (0.92 m)
2
3 / 8"
Distance from the lens center
to the bottom of the image (H)
Minimum (L2)
"
(6.69 m)
–4
3 / 16"
–3
3 / 4"
–3
3 / 8"
–2
1 / 2"
–2
3 / 16"
9' 3" (2.80 m)
–1
3 / 4"
8' 8" (2.63 m)
–1
5 / 8"
8'
(2.42 m)
–1
9 / 16"
7' 3" (2.20 m)
–1
7 / 16"
6' 3" (1.88 m)
–1
3 / 16"
5' 2" (1.55 m)
–
31 / 32"
3' 4" (1.01 m)
–
11 / 16"
Zoom ring
Focus ring
The formula for picture size and
(45.1 cm)
projection distance
(37.6 cm)
L1 (ft) = (0.0311X – 0.0676) / 0.3048
(30.0 cm)
L2 (ft) = (0.0248X – 0.0693) / 0.3048
H (in) = (0.1504X – 0.0328) / 2.54
(22.5 cm)
(15.0 cm)
X: Picture size (diag.) (in)
(12.6 cm)
L: Projection distance (ft)
L1: Maximum projection distance (ft)
(10.8 cm)
L2: Minimum projection distance (ft)
(9.0 cm)
H: Distance from the lens center to
(6.0 cm)
the bottom of the image (in)
The formula for picture size and
(–12.7 cm)
projection distance
(–10.6 cm)
L1 (ft) = (0.0339X – 0.0669) / 0.3048
(–9.5 cm)
L2 (ft) = (0.027X – 0.0683) / 0.3048
H (in) = (– 0.0424X + 0.0079) / 2.54
(–8.5 cm)
(–6.4 cm)
(–5.6 cm)
(–4.5 cm)
(–4.2 cm)
(–3.9 cm)
(–3.6 cm)
(–3.0 cm)
(–2.5 cm)
(–1.7 cm)
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