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