Acer F7200 Series User Manual page 70

New Short throw projection lens: TR: 0.81; offset=50%
Distance (m)
Diagonal (")
Image Width (mm)
Image Height (mm)
h (mm)
O (mm)
A (mm)
Semi Short throw projection lens: TR: 1.14 ~ 1.34; offset=50%
Distance (m)
Diagonal (")
Image Width (mm)
Image Height (mm)
h (mm)
O (mm)
A (mm)
Super Long throw projection lens: TR: 3.11 ~ 5.18; offset=50%
Distance (m)
Diagonal (")
Image Width (mm)
Image Height (mm)
h (mm)
O (mm)
A (mm)
offset % = O/(2xh) × 100%
O=A+h
h=(1/2) × (image height)
0.80 1.32
48.6 80
988 1626
741 1219
370 610
370 610
0 0
T
ELE
1.00 2.74 5.47
36.6 100 200
744 2032 4064
558 1524 3048
279 762 1524
279 762 1524
0 0
T
ELE
3.00 10.53 15.79
28.5 100 150
579 2032 3048
434 1524 2286
217 762 1143
217 762 1143
0 0
– 61 –
F
IX
1.65 2.47
100 150
2032 3048
1524 2286
762 1143
762 1143
0 0
9.00 1.16
328.8 50
6681 1016
5011 762
2505 381
2505 381
0 0 0
20.00 3.16
190 50
3861 1016
2896 762
1448 381
1448 381
0 0 0
3.29 4.11
200 250
4064 5080
3048 3810
1524 1905
1524 1905
0 0
W
IDE
3.47 6.95
150 300
3048 6096
2286 4572
1143 2286
1143 2286
0 0
W
IDE
6.32 12.64
100 200
2032 4064
1524 3048
762 1524
762 1524
0 0
5.00
303.7
6171
4628
2314
2314
0
9.00
388.6
7896
5922
2961
2961
0
20.00
316.5
6431
4823
2412
2412
0