Adjust the picture size and focus
Turn the zoom ring to adjust picture size.
Turn the focus ring to adjust the focus.
Picture size and projection distance chart
Screen
H
L : Projection distance
NORMAL Mode (4:3)
Picture (Screen) size
Diag. [ χ ]
Width
Height
300" (762 cm) 240" (609.6 cm) 180" (457.2 cm)
250" (635 cm) 200" (508 cm) 150" (381 cm)
200" (508 cm) 160" (406.4 cm) 120" (304.8 cm)
150" (381 cm) 120" (304.8 cm) 90" (228.6 cm)
100" (254 cm) 80" (203.2 cm) 60" (152.4 cm)
84" (213.3 cm) 67" (170.1 cm) 50" (127 cm)
72" (182.8 cm) 58" (147.3 cm) 43" (109.2 cm)
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. [ χ ]
Width
Height
300" (762 cm) 261" (662.9 cm) 147" (373.4 cm)
250" (635 cm) 218" (553.7 cm) 123" (312.4 cm)
225" (571.5 cm) 196" (497.8 cm) 110" (279.4 cm)
200" (508 cm) 174" (441.9 cm) 98" (248.9 cm)
150" (381 cm) 131" (332.7 cm) 74" (188 cm)
133" (337.8 cm) 116" (294.6 cm) 65" (165.1 cm)
106" (269.2 cm) 92"
(233.6 cm)
52" (132 cm)
100" (254 cm) 87"
(220.9 cm)
49" (124.4 cm)
92" (233.6 cm) 80"
(203.2 cm)
45" (114.3 cm)
84" (213.3 cm) 73"
(185.4 cm)
41" (104.1 cm)
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 error of ±3% in the formula above.
• Values with a minus(–) sign indicate the distance of the lens center below the bottom of screen.
-3
All manuals and user guides at all-guides.com
Base line:
Horizontal line passing through
the lens center
Lens center
Projection distance [L]
Maximum [L1]
Minimum [L2]
114' 6"
(34.9 m)
81'
(24.7 m)
94' 10"
(28.9 m)
67' 2"
(20.5 m)
75' 11"
(23.1 m)
53' 9"
(16.4 m)
57'
(17.4 m)
40'
5"
(12.3 m)
38'
1"
(11.6 m)
27'
(8.2 m)
32'
1"
(9.8 m)
22'
9"
(6.9 m)
27'
6"
(8.4 m)
19'
7"
(6.0 m)
23'
(7.0 m)
16'
4"
(5.0 m)
15'
5"
11'
(4.7 m)
(3.4 m)
Projection distance [L]
Maximum [L1]
Minimum [L2]
123' 10"
(37.8 m)
87' 9"
(26.8 m)
103' 3"
(31.5 m)
73'
2"
(22.3 m)
93'
(28.3 m)
65' 11"
(20.1 m)
82' 8"
(25.2 m)
58' 8"
(17.9 m)
62' 1"
(18.9 m)
44'
(13.4 m)
55' 1"
(16.8 m)
39'
1"
(11.9 m)
44'
(13.4 m)
31'
2"
(9.5 m)
41' 6"
(12.7 m)
29'
6"
(9.0 m)
38' 2"
(11.6 m)
27'
2"
(8.3 m)
34' 11"
(10.6 m)
24'
10"
(7.6 m)
29' 11"
(9.1 m)
21'
4"
(6.5 m)
25'
(7.6 m)
17'
10"
(5.4 m)
16' 10"
(5.1 m)
12'
(3.7 m)
Zoom ring
Distance from the lens center
to the bottom of the image [H]
The formula for picture size and
projection distance
17
(45.4 cm)
7 / 8"
χ : Picture size (diag.) (in)
14
(37.8 cm)
7 / 8"
11
(30.3 cm)
59 / 64"
[Feet, inches]
L1 (ft)
8
(22.7 cm)
15 / 16"
L2 (ft) = (0.0818 χ + 0.0606) / 0.3048
5
(15.1 cm)
15 / 16"
H (in) = (0.1514 χ – 0.0071) / 2.54
5
(12.7 cm)
"
[m, cm]
4
(10.9 cm)
19 / 64"
L1 (m)
L2 (m) = 0.0818 χ + 0.0606
3
(9.1 cm)
37 / 64"
H (cm) = 0.1514 χ – 0.0071
2
(6.0 cm)
23 / 64"
Distance from the lens center
to the bottom of the image [H]
The formula for picture size and
projection distance
–5
(–12.8 cm)
3 / 64"
χ : Picture size (diag.) (in)
–4
(–10.6 cm)
11 / 64"
–3
(–9.6 cm)
[Feet, inches]
25 / 32"
L1 (ft)
–3
(–8.5 cm)
11 / 32"
L2 (ft) = (0.0888 χ + 0.0975) / 0.3048
–2
(–6.4 cm)
33 / 64"
H (in) = (–0.0425 χ – 0.001) / 2.54
–2
(–5.7 cm)
1 / 4"
[m, cm]
–1
(–4.5 cm)
49 / 64"
L1 (m) = 0.1255 χ + 0.0951
L2 (m) = 0.0888 χ + 0.0975
–1
(–4.3 cm)
11 / 16"
H (cm) = –0.0425 χ – 0.001
–1
(–3.9 cm)
17 / 32"
–1
(–3.6 cm)
27 / 64"
–1
(–3.1 cm)
7 / 32"
–1
(–2.6 cm)
1 / 32"
(–1.7 cm)
– 43 / 64"
Focus ring
= (0.1158 χ + 0.0403) / 0.3048
= 0.1158 χ + 0.0403
= (0.1255 χ + 0.0951) / 0.3048