Table 1:
Image Size, Width and Height for Varifocal Lens
and Zoom Lens at Minimum Focusing Distance
Distance to
Diagonal
Screen (feet)
(inches)
4
34
10
84
15
126
20
168
25
210
30
252
35
294
40
336
Image Size, Width and Height for Zoom Lens at
Maximum Focusing* Distance
Distance to
Diagonal
Screen (feet)
(inches)
4
10
120
15
180
20
240
25
300
30
360
35
420
40
480
* The focusing distance of the zoom lens is from 4 feet to infinity.
Width
Height
(inches)
(inches)
27
67
101
134
168
202
235
269
Table 2:
Width
(inches)
48
38
96
144
192
240
288
336
384
20.4
50.4
75.6
100.8
126.
151.2
176.4
201.6
Height
(inches)
28.8
72
108
144
180
216
252
288
51