Screen Size And Projection Distance - Sharp Notevision PG-A20X Operation Manual

Setup

Screen Size and Projection Distance

Screen
H
NORMAL Mode (4:3)
Picture (Screen) size
Diag. [ χ ]
Width
300" (762 cm) 240" (610 cm) 180" (457 cm)
250" (635 cm) 200" (508 cm) 150" (381 cm)
200" (508 cm) 160" (406 cm) 120" (305 cm)
150" (381 cm) 120" (305 cm) 90" (229 cm)
100" (254 cm) 80" (203 cm) 60" (152 cm)
84" (213 cm) 67" (170 cm) 50" (128 cm)
72" (183 cm) 58" (147 cm) 43" (110 cm)
60" (152 cm) 48" (122 cm) 36" (91 cm)
40" (102 cm) 32" (81 cm)
STRETCH Mode (16:9)
Picture (Screen) size
Diag. [ χ ]
Width
300" (762 cm) 261" (664 cm) 147" (374 cm)
250" (635 cm) 218" (553 cm) 123" (311 cm)
225" (572 cm) 196" (498 cm) 110" (280 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" (235 cm) 52" (132 cm)
100" (254 cm) 87" (221cm)
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" (133 cm) 29" (75 cm)
40" (102 cm) 35" (89 cm)
Note
• There may be an error of ± 3% in the above values.
• Values with a minus (–) sign indicate the distance from the lens center below the bottom of the image.
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PG-A20X_E_PDF_P21_25.p65
Base line:
Horizontal line passing through the lens center
L:Projection distance
Projection distance [L]
Height Minimum [L1] Maximum [L2]
32'10" (10.0 m) 39' 0" (11.9 m)
27' 3" (8.3 m) 32' 6" (9.9 m)
21' 8" (6.6 m) 25'11" (7.9 m)
16' 5" (5.0 m) 19' 4" (5.9 m)
10'10" (3.3 m) 12'10" (3.9 m)
8'10" (2.7 m) 10'10" (3.3 m)
7' 7" (2.3 m) 9' 2" (2.8 m)
6' 3" (1.9 m) 7' 7" (2.3 m)
24" (61 cm) 4' 3" (1.3 m) 4'11" (1.5 m)
Projection distance [L]
Height Minimum [L1] Maximum [L2]
35' 9" (10.9 m) 42' 8" (13.0 m)
29' 6" (9.0 m) 35' 5" (10.8 m)
26' 7" (8.1 m) 31' 10"
23' 7" (7.2 m) 28' 3"
17' 9" (5.4 m) 21' 2"
15' 9" (4.8 m) 18' 9"
12' 6" (3.8 m) 14' 11"
49" (125 cm) 11'10" (3.6 m) 14' 1"
10'10" (3.3 m) 12' 11"
9'10" (3.0 m) 11' 9"
8' 6" (2.6 m) 10' 1"
6'11" (2.1 m) 8' 4"
20" (50 cm) 4' 7" (1.4 m) 5' 6"
24
Lens center
Distance from the lens center
to the bottom of the image [H]
17 31 / " (44.4 cm)
64
14 37 / " (37.0 cm)
64
11 21 / " (29.6 cm)
32
8 3 / " (22.2 cm)
4
5 53 / " (14.8 cm)
64
4 57 / " (12.4 cm)
64
4 7 / " (10.7 cm)
32
3 33 / " (8.9 cm)
64
2 21 / " (5.9 cm)
64
Distance from the lens center
to the bottom of the image [H]
–4 47 / " (–12.0 cm)
64
–3 15 / " (–10.0 cm)
16
(9.7 m) –3 35 / " (–9.0 cm)
64
(8.6 m) –3 5 / " (–8.0 cm)
32
(6.5 m) –2 3 / " (–6.0 cm)
8
(5.7 m) –2 3 / " (–5.3 cm)
32
(4.5 m) –1 11 / " (–4.3 cm)
16
(4.3 m) –1 37 / " (–4.0 cm)
64
(3.9 m) –1 15 / " (–3.7 cm)
32
(3.6 m) –1 11 / " (–3.4 cm)
32
(3.1 m) –1 9 / " (–2.9 cm)
64
(2.5 m) –0 61 / " (–2.4 cm)
64
(1.7 m) –0 41 / " (–1.6 cm)
64
03.4.23, 9:56 AM
The formula for picture size and
projection distance
χ : Picture size (diag.) (in)
[Feet, inches]
L1 (ft) = (0.0334 χ – 0.06) / 0.3048
L2 (ft) = (0.0398 χ – 0.06) / 0.3048
H (in) = 0.0583 χ
[m, cm]
L1 (m) = 0.0334 χ – 0.06
L2 (m) = 0.0398 χ – 0.06
H (cm) = 0.0583 χ × 2.54
The formula for picture size and
projection distance
χ : Picture size (diag.) (in)
[Feet, inches]
L1 (ft) = (0.0364 χ – 0.06) / 0.3048
L2 (ft) = (0.0434 χ – 0.06) / 0.3048
H (in) = – 0.0158 χ
[m, cm]
L1 (m) = 0.0364 χ – 0.06
L2 (m) = 0.0434 χ – 0.06
H (cm) = – 0.0158 χ × 2.54