Video Input (4:3)
Screen size
Diag.
Width
Height
600"
480.0"
360.0"
500"
400.0"
300.0"
400"
320.0"
240.0"
300"
240.0"
180.0"
200"
160.0"
120.0"
150"
120.0"
90.0"
100"
80.0"
60.0"
84"
67.2"
50.4"
The formula for screen size and projection distance
l=(0.144x+0.0672)×3.28
h1(Upper lens shift position)=0.3x
h2(Lower lens shift positon)=–0.02x
4
3
5
Video Input (16:9)
Screen size
Diag.
Width
Height
500"
435.80"
245.15"
348.64"
400"
196.12"
300"
261.47"
147.08"
200"
174.32"
98.05"
150"
130.74"
73.54"
133"
115.92"
65.20"
106"
92.39"
51.97"
100"
87.16"
49.03"
92"
80.18"
45.10"
84"
73.21"
41.18"
The formula for screen size and projection distance
l=(0.1569x+0.0672)×3.28
h1(Upper lens shift position)=0.245x
h2(Lower lens shift positon)=–0.103x
16
9
5
• 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 the screen.
Projection distance (L)
283'3" (86.4m)
236'1" (72.0m)
188'10" (57.6m)
141'7" (43.2m)
94'4" (28.7m)
70'8" (21.5m)
47'0" (14.3m)
39'6" (12.0m)
x: Screen size (diag.) (inches)
l: Projection distance (L) (feet)
h: Lens center to the lower edge of the screen (H) (inches)
4
: Screen size and Picture size (4:3)
: Signal mask area
Projection distance (L)
257'3" (78.4m)
205'9" (62.7m)
154'3" (47.0m)
102'9" (31.3m)
77'0" (23.5m)
68'3" (20.8m)
54'4" (16.6m)
51'3" (15.6m)
47'2" (14.4m)
43'0" (13.1m)
x: Screen size (diag.) (inches)
l: Projection distance (L) (feet)
h: Lens center to the lower edge of the screen (H) (inches)
4
: Screen size and Picture size (16:9)
: Signal mask area
Lens center to the lower edge of the screen (H)
Upper lens shift position (h1)
15'0" (457.2cm)
12'6" (381.0cm)
10'0" (304.8cm)
7'6" (228.6cm)
5'0" (152.4cm)
3'9" (114.3cm)
2'6" (76.2cm)
2'1" (64.0cm)
Lens center to the lower edge of the screen (H)
Upper lens shift position (h1)
10'3" (311.3cm)
8'2" (249.1cm)
6'2" (186.8cm)
4'1" (124.5cm)
3'1"
(93.4cm)
2'9"
(82.8cm)
2'2"
(66.0cm)
2'1"
(62.3cm)
1'11"
(57.3cm)
1'9"
(52.3cm)
Lower lens shift position (h2)
–11.7" (–29.8cm)
–9.8" (–24.8cm)
–7.8" (–19.8cm)
–5.9" (–14.9cm)
–3.9"
(–9.9cm)
–2.9"
(–7.4cm)
–2.0"
(–5.0cm)
–1.7"
(–4.2cm)
Lower lens shift position (h2)
–4'4" (–131.4cm)
–3'5" (–105.2cm)
–2'7"
(–78.9cm)
–1'9"
(–52.6cm)
–1'4"
(–39.4cm)
–1'2"
(–35.0cm)
–11.0"
(–27.9cm)
–10.4"
(–26.3cm)
–9.5"
(–24.2cm)
–8.7"
(–22.1cm)
5
GB