Screen size and projection distance, Setup – Sharp PG-A20X User Manual
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STRETCH Mode (16:9)
Picture (Screen) size
Projection distance [L]
Distance from the lens center
Diag. [
χ]
Width
Height
Minimum [L1]
Maximum [L2]
to the bottom of the image [H]
300" (762 cm) 261" (664 cm) 147" (374 cm)
35' 9" (10.9 m)
42' 8" (13.0 m)
–4
47
/
64
" (–12.0 cm)
250" (635 cm) 218" (553 cm) 123" (311 cm)
29' 6"
(9.0 m)
35' 5" (10.8 m)
–3
15
/
16
" (–10.0 cm)
225" (572 cm) 196" (498 cm) 110" (280 cm)
26' 7"
(8.1 m)
31' 10"
(9.7 m)
–3
35
/
64
"
(–9.0 cm)
200" (508 cm) 174" (443 cm)
98" (249 cm)
23' 7"
(7.2 m)
28' 3"
(8.6 m)
–3
5
/
32
"
(–8.0 cm)
150" (381 cm) 131" (332 cm)
74" (187 cm)
17' 9"
(5.4 m)
21' 2"
(6.5 m)
–2
3
/
8
"
(–6.0 cm)
133" (338 cm) 116" (294 cm)
65" (166 cm)
15' 9"
(4.8 m)
18' 9"
(5.7 m)
–2
3
/
32
"
(–5.3 cm)
106" (269 cm) 92" (235 cm)
52" (132 cm)
12' 6"
(3.8 m)
14' 11"
(4.5 m)
–1
11
/
16
"
(–4.3 cm)
100" (254 cm) 87" (221cm)
49" (125 cm)
11'10"
(3.6 m)
14' 1"
(4.3 m)
–1
37
/
64
"
(–4.0 cm)
92" (234 cm) 80" (204 cm)
45" (115 cm)
10'10"
(3.3 m)
12' 11"
(3.9 m)
–1
15
/
32
"
(–3.7 cm)
84" (213 cm) 73" (186 cm)
41" (105 cm)
9'10"
(3.0 m)
11' 9"
(3.6 m)
–1
11
/
32
"
(–3.4 cm)
72" (183 cm) 63" (159 cm)
35" (90 cm)
8' 6"
(2.6 m)
10' 1"
(3.1 m)
–1
9
/
64
"
(–2.9 cm)
60" (152 cm) 52" (133 cm)
29" (75 cm)
6'11"
(2.1 m)
8' 4"
(2.5 m)
–0
61
/
64
"
(–2.4 cm)
40" (102 cm) 35" (89 cm)
20" (50 cm)
4' 7"
(1.4 m)
5' 6"
(1.7 m)
–0
41
/
64
"
(–1.6 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.
The formula for picture size and
projection distance
χ: Picture size (diag.) (in)
[Feet, inches]
L1 (ft) = (0.0334χ – 0.06) / 0.3048
L2 (ft) = (0.0398χ – 0.06) / 0.3048
H (in) = 0.0583χ
[m, cm]
L1 (m) = 0.0334χ – 0.06
L2 (m) = 0.0398χ – 0.06
H (cm) = 0.0583χ
× 2.54
The formula for picture size and
projection distance
χ: Picture size (diag.) (in)
[Feet, inches]
L1 (ft) = (0.0364χ – 0.06) / 0.3048
L2 (ft) = (0.0434χ – 0.06) / 0.3048
H (in) = – 0.0158χ
[m, cm]
L1 (m) = 0.0364χ – 0.06
L2 (m) = 0.0434χ – 0.06
H (cm) = – 0.0158χ
× 2.54
NORMAL Mode (4:3)
Picture (Screen) size
Projection distance [L]
Distance from the lens center
Diag. [
χ]
Width
Height
Minimum [L1]
Maximum [L2]
to the bottom of the image [H]
300" (762 cm) 240" (610 cm) 180" (457 cm)
32'10" (10.0 m)
39' 0" (11.9 m)
17
31
/
64
" (44.4 cm)
250" (635 cm) 200" (508 cm) 150" (381 cm)
27' 3"
(8.3 m)
32' 6"
(9.9 m)
14
37
/
64
" (37.0 cm)
200" (508 cm) 160" (406 cm) 120" (305 cm)
21' 8"
(6.6 m)
25'11"
(7.9 m)
11
21
/
32
" (29.6 cm)
150" (381 cm) 120" (305 cm)
90" (229 cm)
16' 5"
(5.0 m)
19' 4"
(5.9 m)
8
3
/
4
" (22.2 cm)
100" (254 cm) 80" (203 cm)
60" (152 cm)
10'10"
(3.3 m)
12'10" (3.9 m)
5
53
/
64
" (14.8 cm)
84" (213 cm) 67" (170 cm)
50" (128 cm)
8'10"
(2.7 m)
10'10" (3.3 m)
4
57
/
64
" (12.4 cm)
72" (183 cm) 58" (147 cm)
43" (110 cm)
7' 7"
(2.3 m)
9' 2"
(2.8 m)
4
7
/
32
" (10.7 cm)
60" (152 cm) 48" (122 cm)
36" (91 cm)
6' 3"
(1.9 m)
7' 7"
(2.3 m)
3
33
/
64
"
(8.9 cm)
40" (102 cm) 32" (81 cm)
24" (61 cm)
4' 3"
(1.3 m)
4'11"
(1.5 m)
2
21
/
64
"
(5.9 cm)
Setup
H
Screen
L:Projection distance
Lens center
Base line:
Horizontal line passing through the lens center
Screen Size and Projection Distance
PG-A20X_E_PDF_P21_25.p65
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