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F-1
On a horizontal surface
a
c2
c1
8137W
T-1
Screen size
(diagonal)
a
m
type(inch)
60
1.5
70
1.8
80
2.0
90
2.3
100
2.5
b2
b1
Projection distance
b1
m
inch
0.128
5.0
0.409
0.198
7.8
0.479
0.268
10.5
0.549
0.338
13.3
0.619
0.408
16.1
0.689
F-2
Mounted on the wall or ceiling
a
b2
m
inch
m
16.1
0.313
18.9
0.351
21.6
0.388
24.4
0.426
27.1
0.464
b1
c1
c2
b2
(1280 x 800) (±8%)
Screen height
c1
c2
inch
m
12.3
1.121
13.8
1.293
15.3
1.465
16.8
1.638
18.3
1.810
inch
44.1
50.9
57.7
64.5
71.3
23
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