Screen size and projection distance, P.24, Setup – Sharp Notevision PG-A10X User Manual
Page 28: Normal mode (4:3)
-24
STRETCH Mode (16:9)
Picture (Screen) size
Projection distance (L)
Distance from the lens center
Diag. (
χχχχχ)
Width
Height
Maximum (L1)
Minimum (L2)
to the bottom of the image (H)
250" (635 cm) 218" (553 cm) 123" (311 cm)
35' 1" (10.7 m)
29' 2"
(8.9 m)
–4
33
/
64
" (–11.5 cm)
225" (572 cm) 196" (498 cm) 110" (280 cm)
31'10"
(9.7 m)
26' 3"
(8.0 m)
–4
1
/
16
" (–10.3 cm)
200" (508 cm) 174" (443 cm)
98" (249 cm)
28' 3"
(8.6 m)
23' 3"
(7.1 m)
–3
39
/
64
"
(–9.2 cm)
150" (381 cm) 131" (332 cm)
74" (187 cm)
21'
(6.4 m)
17' 5"
(5.3 m)
–2
45
/
64
"
(–6.9 cm)
133" (338 cm) 116" (294 cm)
65" (166 cm)
18' 8"
(5.7 m)
15' 5"
(4.7 m)
–2
13
/
32
"
(–6.1 cm)
106" (269 cm) 92" (235 cm)
52" (132 cm)
14' 9"
(4.5 m)
12' 6"
(3.8 m)
–1
59
/
64
"
(–4.9 cm)
100" (254 cm) 87" (221cm)
49" (125 cm)
14' 1"
(4.3 m)
11' 6"
(3.5 m)
–1
13
/
16
"
(–4.6 cm)
92" (234 cm) 80" (204 cm)
45" (115 cm)
12'10"
(3.9 m)
10' 10"
(3.3 m)
–1
21
/
32
"
(–4.2 cm)
84" (213 cm) 73" (186 cm)
41" (105 cm)
11'10"
(3.6 m)
9' 10"
(3.0 m)
–1
33
/
64
"
(–3.9 cm)
72" (183 cm) 63" (159 cm)
35" (90 cm)
10' 2"
(3.1 m)
8' 2"
(2.5 m)
–1
19
/
64
"
(–3.3 cm)
60" (152 cm) 52" (133 cm)
29" (75 cm)
8' 2"
(2.5 m)
6' 11"
(2.1 m)
–1
5
/
64
"
(–2.8 cm)
40" (102 cm) 35" (89 cm)
20" (50 cm)
5' 7"
(1.7 m)
4' 7"
(1.4 m)
–
23
/
32
"
(–1.8 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
[Feet/inches]
L1 (ft) = (0.0396χ – 0.0546) / 0.3048
L2 (ft) = (0.0330χ – 0.0546) / 0.3048
H (in) = 0.0606χ
[m/cm]
L1 (m) = 0.0396χ – 0.0546
L2 (m) = 0.0330χ – 0.0546
H (cm) = 0.0606χ
× 2.54
The formula for picture size and
projection distance
[Feet/inches]
L1 (ft) = (0.04314χ – 0.0546) / 0.3048
L2 (ft) = (0.03595χ – 0.0546) / 0.3048
H (in) = – 0.01807χ
[m/cm]
L1 (m) = 0.04314χ – 0.0546
L2 (m) = 0.03595χ – 0.0546
H (cm) = – 0.01807χ
× 2.54
NORMAL Mode (4:3)
Picture (Screen) size
Projection distance (L)
Distance from the lens center
Diag. (
χχχχχ)
Width
Height
Maximum (L1)
Minimum (L2)
to the bottom of the image (H)
300" (762 cm) 240" (610 cm) 180" (457 cm)
38' 9" (11.8 m)
32' 2"
(9.8 m)
18
3
/
16
" (46.2 cm)
250" (635 cm) 200" (508 cm) 150" (381 cm)
32' 2"
(9.8 m)
26'11" (8.2 m)
15
5
/
32
" (38.5 cm)
200" (508 cm) 160" (406 cm) 120" (305 cm)
25'11"
(7.9 m)
21' 4"
(6.5 m)
12
1
/
8
" (30.8 cm)
150" (381 cm) 120" (305 cm)
90" (229 cm)
19' 4"
(5.9 m)
16' 1"
(4.9 m)
9
3
/
32
" (23.1 cm)
100" (254 cm) 80" (203 cm)
60" (152 cm)
12'10"
(3.9 m)
10' 6"
(3.2 m)
6
1
/
16
" (15.4 cm)
84" (213 cm) 67" (170 cm)
50" (128 cm)
10'10"
(3.3 m)
8'10" (2.7 m)
5
3
/
32
" (12.9 cm)
72" (183 cm) 58" (147 cm)
43" (110 cm)
9' 2"
(2.8 m)
7' 7"
(2.3 m)
4
23
/
64
" (11.1 cm)
60" (152 cm) 48" (122 cm)
36" (91 cm)
7' 7"
(2.3 m)
6' 3"
(1.9 m)
3
41
/
64
"
(9.2 cm)
40" (102 cm) 32" (81 cm)
24" (61 cm)
4'11"
(1.5 m)
4' 3"
(1.3 m)
2
27
/
64
"
(6.2 cm)
Setup
H
Screen
L:Projection distance
Lens center
Base line:
Horizontal line passing through the lens center
χ: Picture size (diag.) (in/cm)
L: Projection distance (ft/m)
L1: Maximum projection distance (ft/m)
L2: Minimum projection distance (ft/m)
H: Distance from the lens center to
the bottom of the image (in/cm)
Screen Size and Projection Distance