Screen Size And Projection Distance - Sharp PG-C45XU Operation Manual

Setup

Screen Size and Projection Distance

Screen
H
Standard Lens
Throw ratio
1:1.77 to 2.25
NORMAL Mode (4:3)
Picture (Screen) size
Diag. (X) Width Height
300" (762 cm) 240" (609.6cm) 180"(457.2 cm) 46' 4" (14.12 m)
250" (635 cm) 200" (508 cm) 150" (381 cm)
200" (508 cm) 160" (406.4 cm) 120" (304.8 cm) 30'10" (9.39 m)
150" (381 cm) 120" (304.8 cm) 90" (228.6 cm) 23' 1"
100" (254 cm) 80" (203.2 cm) 60" (152.4 cm) 15' 4"
84" (213.3 cm) 67" (170.1 cm) 50" (127 cm)
72" (182.8 cm) 58" (147.3 cm) 43" (109.2 cm) 11'
60" (152.4 cm) 48" (121.9 cm) 36" (91.4 cm)
40" (101.6 cm) 32" (81.2 cm) 24" (60.9 cm)
STRETCH Mode (16:9)
Picture (Screen) size
Diag. (X) Width Height
300" (762 cm) 261" (662.9 cm) 147" (373.4 cm) 50' 6" (15.37 m) 39' 3" (11.95 m)
250" (635 cm) 218" (553.7 cm) 123" (312.4 cm) 42'
225" (571.5 cm) 196" (497.8 cm) 110" (279.4 cm) 37'10" (11.51 m) 29' 5" (8.95 m)
200" (508 cm) 174" (441.9 cm) 98" (248.9 cm) 33' 7" (10.23 m) 26' 1" (7.95 m)
150" (381 cm) 131" (332.7 cm) 74" (188 cm)
133" (337.8 cm) 116" (294.6 cm) 65" (165.1 cm) 22' 3"
106" (269.2 cm) 92" (233.6 cm) 52" (132 cm)
100" (254 cm) 87" (220.9 cm) 49" (124.4 cm) 16' 9"
92" (233.6 cm) 80" (203.2 cm) 45" (114.3 cm) 15' 5"
84" (213.3 cm) 73" (185.4 cm) 41" (104.1 cm) 14'
72" (182.8 cm) 63" (160 cm) 35" (88.9 cm)
60" (152.4 cm) 52" (132 cm) 29" (73.6 cm)
40" (101.6 cm) 35" (88.9 cm) 20" (50.8 cm)
Note
• There is an error of ± 3% in the formula above.
• Values with a minus (–) sign indicate the distance of the lens center below the bottom of the image.
-30
L:Projection distance
Projection distance (L)
Maximum (L1) Minimum (L2)
36' (10.97 m) 17
38' 7" (11.76 m) 30' (9.13 m) 14
24' (7.29 m) 11
(7.03 m) 17'11" (5.46 m)
(4.67 m) 11'11" (3.62 m)
12'11" (3.92 m) 10' (3.03 m)
(3.35 m) 8' 6" (2.59 m)
9' 2" (2.78 m) 7' 1" (2.15 m)
6' 1" (1.84 m) 4' 8" (1.42 m)
Projection distance (L)
Maximum (L1) Minimum (L2)
(12.80 m) 32' 8" (9.95 m)
25' 2" (7.66 m) 19' 7" (5.95 m)
(6.78 m) 17' 4" (5.27 m)
17' 9" (5.40 m) 13' 9" (4.19 m)
(5.09 m) 13' (3.95 m)
(4.68 m) 11' 11" (3.63 m)
(4.27 m) 10' 11" (3.31 m)
12' (3.65 m) 9' 4" (2.83 m)
10' (3.03 m) 7' 9" (2.35 m)
6' 7" (2.00 m) 5' 2" (1.55 m)
Base line:
Horizontal line passing through
the lens center
Lens center
Distance from the lens center
to the bottom of the image (H)
The formula for picture size and
(45.0 cm)
11 / 16"
projection distance
(37.5 cm)
3 / 4"
L1 (ft) = (0.0472X – 0.0517) / 0.3048
(30.0 cm) L2 (ft) = (0.0367X – 0.0529) / 0.3048
13 / 16"
H (in) = (0.1499X – 0.0064) / 2.54
8 (22.5 cm)
7 / 8"
5 (15.0 cm)
7 / 8"
X: Picture size (diag.) (in)
4 (12.6 cm)
15 / 16"
L: Projection distance (ft)
L1: Maximum projection distance (ft)
4 (10.8 cm)
1 / 4"
L2: Minimum projection distance (ft)
3 (9.0 cm)
9 / 16"
H: Distance from the lens center to
2 (6.0 cm)
3 / 8"
the bottom of the image (in)
Distance from the lens center
to the bottom of the image (H)
The formula for picture size and
–4 (–12.6 cm)
15/ 16"
projection distance
–4 (–10.5 cm)
1/ 8"
L1 (ft) = (0.0514X – 0.0516) / 0.3048
L2 (ft) = (0.04X – 0.0523) / 0.3048
–3 (–9.5 cm)
3 / 4"
H (in) = (– 0.0422X + 0.0018) / 2.54
–3 (–8.4 cm)
5 / 16"
–2 (–6.3 cm)
1 / 2"
–2 (–5.6 cm)
3 / 16"
–1 (–4.5 cm)
3 / 4"
–1 (–4.2 cm)
5 / 8"
–1 (–3.9 cm)
9 / 16"
–1 (–3.5 cm)
3 / 8"
–1 (–3.0 cm)
3 / 16"
– (–2.5 cm)
31 / 32"
– (–1.7 cm)
11 / 16"