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For lens unit GL-M2920ZG (2 to 3:1):
Projection screen size
(Diagonal length)
40" (approx. 101.6 cm)
42" (approx. 106.7 cm)
50" (approx. 127.0 cm)
60" (approx. 152.4 cm)
70" (approx. 177.8 cm)
80" (approx. 203.2 cm)
100" (approx. 254.0 cm)
150" (approx. 381.0 cm)
200" (approx. 508.0 cm)
240" (approx. 609.6 cm)
250" (approx. 635.0 cm)
300" (approx. 762.0 cm)
310" (approx. 787.4 cm)
320" (approx. 812.8 cm)
330" (approx. 838.2 cm)
340" (approx. 863.6 cm)
350" (approx. 889.0 cm)
400" (approx. 1016.0 cm)
450" (approx. 1143.0 cm)
470" (approx. 1193.8 cm)
480" (approx. 1219.2 cm)
500" (approx. 1270.0 cm)
521" (approx. 1323.3 cm)
For lens unit GL-M2930SZG (2.9 to 5.5:1):
Projection screen size
(Diagonal length)
40" (approx. 101.6 cm)
50" (approx. 127.0 cm)
60" (approx. 152.4 cm)
70" (approx. 177.8 cm)
80" (approx. 203.2 cm)
100" (approx. 254.0 cm)
150" (approx. 381.0 cm)
200" (approx. 508.0 cm)
240" (approx. 609.6 cm)
250" (approx. 635.0 cm)
260" (approx. 660.4 cm)
270" (approx. 685.8 cm)
280" (approx. 711.2 cm)
300" (approx. 762.0 cm)
350" (approx. 889.0 cm)
400" (approx. 1016.0 cm)
470" (approx. 1193.8 cm)
480" (approx. 1219.2 cm)
500" (approx. 1270.0 cm)
510" (approx. 1295.4 cm)
Approximate projection distance
For 4:3 aspect-ratio screens
Wide end
Tele end
---------
---------
---------
8.23 (2.51)
---------
9.74 (2.97)
---------
11.65 (3.55)
9.09 (2.77)
13.55 (4.13)
10.33 (3.15)
15.42 (4.70)
12.83 (3.91)
19.23 (5.86)
19.09 (5.82)
28.71 (8.75)
25.33 (7.72)
38.16 (11.63)
30.35 (9.25)
45.73 (13.94)
31.59 (9.63)
47.64 (14.52)
37.86 (11.54)
57.09 (17.40)
39.11 (11.92)
58.99 (17.98)
40.35 (12.30)
60.89 (18.56)
41.60 (12.68)
62.76 (19.13)
42.85 (13.06)
64.67 (19.71)
44.09 (13.44)
---------
50.36 (15.35)
---------
56.63 (17.26)
---------
59.12 (18.02)
---------
60.37 (18.40)
---------
62.89 (19.17)
---------
65.52 (19.97)
---------
Approximate projection distance
For 4:3 aspect-ratio screens
Wide end
Tele end
---------
14.83 (4.52)
---------
18.44 (5.62)
---------
22.05 (6.72)
---------
25.66 (7.82)
15.55 (4.74)
29.30 (8.93)
19.36 (5.90)
36.52 (11.13)
28.87 (8.80)
54.59 (16.64)
38.39 (11.70)
72.67 (22.15)
45.96 (14.01)
87.14 (26.56)
47.86 (14.59)
90.78 (27.67)
49.77 (15.17)
94.39 (28.77)
51.67 (15.75)
97.99 (29.87)
53.58 (16.33)
---------
57.38 (17.49)
---------
66.90 (20.39)
---------
76.41 (23.29)
---------
89.70 (27.34)
---------
91.60 (27.92)
---------
95.41 (29.08)
---------
97.31 (29.66)
---------
Appendix
unit: ft (m)
For 16:9 aspect-ration screens
Wide end
Tele end
---------
8.53 (2.60)
---------
9.96 (2.73)
---------
10.60 (3.23)
8.50 (2.59)
12.66 (3.86)
9.84 (3.00)
14.73 (4.49)
11.22 (3.42)
16.80 (5.12)
13.94 (4.25)
20.90 (6.37)
20.77 (6.33)
31.23 (9.52)
27.59 (8.41)
41.54 (12.66)
33.04 (10.07)
49.80 (15.18)
34.38 (10.48)
51.87 (15.81)
41.21 (12.56)
62.17 (18.95)
42.59 (12.98)
64.24 (19.58)
43.93 (13.39)
---------
45.31 (13.81)
---------
46.65 (14.22)
---------
48.03 (14.64)
---------
54.86 (16.72)
---------
61.65 (18.79)
---------
64.37 (19.62)
---------
---------
---------
---------
---------
---------
---------
unit: ft(m)
For 16:9 aspect-ration screens
Wide end
Tele end
---------
16.11 (4.91)
---------
20.05 (6.11)
---------
23.98 (7.31)
14.83 (4.52)
27.92 (8.51)
16.93 (5.16)
31.86 (9.71)
21.06 (6.42)
39.76 (12.12)
31.43 (9.58)
59.45 (18.12)
41.77 (12.73)
79.17 (24.13)
50.07 (15.26)
94.91 (28.93)
52.13 (15.89)
---------
54.20 (16.52)
---------
56.27 (17.15)
---------
58.33 (17.78)
---------
62.50 (19.05)
---------
72.83 (22.20)
---------
83.20 (25.36)
---------
97.70 (29.78)
---------
---------
---------
---------
---------
---------
---------
77
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