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140
MOTION PICTURE PROJECTION
LENS TABLE OF FILM PROJECTION— Continued
DISTANCE FROM FILM TO SCREEN
Stero.
M.P.
84
90
96
100
104
110
116
8
2
28.49
30.53
32.57
33.93
35.29
37.33
39.36
37.99
40.71
43.42
45.24
47.05
49.77
52.49
9
2J4
25.32
27.14
28.95
30.16
31.37
23.18
34.99
33.76
36.18
38.60
40.21
41.82
44.24
46.55
10
2X
22.78
24.42
26.05
27.14
28.22
29.86
31.49
30.37
32.55
34.72
36.17
37.62
39.80
41.97
11
2Y4
20.70
22.19
23.67
24.66
25.65
27.13
28.61
27.61
29.59
31.56
32.88
34.20
36.18
38.15
12
3
18.97
20.33
21.69
22.60
23.50
24.86
26.22
25.30
27.12
28.93
30.14
31.35
33.16
34.97
13
3J4
17.51
18.77
20.02
20.86
21.69
22.95
24.20
23.35
25.02
26.70
27.81
28.93
30.60
32.27
14
3J4
16.26
17.43
18.59
19.37
20.14
21.31
22.47
21.68
23.23
24.78
25.82
26.86
28.41
29.96
15
8#
15.17
16.25
17.34
18.07
18.79
19.88
20.97
20.22
21.67
23.12
24.09
25.06
26.51
27.96
10
4
14.22
15.24
16.25
16.93
17.61
18.63
19.65
18.95
20.31
21.67
22.58
23.48
24.84
26.20
17
4'4
13.38
14.34
15.30
15.94
16.57
16.52
18.48
17.83
19.11
20.39
21.25
22.10
23.38
24.66
18
4J4
12.63
13.54
14.44
15.05
15.65
16.56
17.47
16.85
18.05
19.26
20.07
20.87
22.08
23.29
19 ,
4^
11.96
12.82
13.68
14.25
14.83
15.86
16.54
15.96
17.10
18.24
19.10
19.77
20.92
22.06
20
6
11.36
12.28
12.99
13.54
14.08
14.89
15.71
15.15
16.23
17.32
18.05
18.77
19.86
20.95
21
5*4
10.82
11.60
12.38
12.89
13.41
14.19
14.96
14.42
15.46
16.49
17.18
17.87
18.91
19.94
22
6#
10.33
11.07
11.81
12.31
12.80
13.54
14.28
13.77
14.76
15.73
16.40
17.07
18.06
19.04
23
5H
9.88
10.59
11.29
11.77
12.24
12.95
13.66
13.16
14.11
15.06
15.69
16.32
17.26
18.21
24
6
9.46
10.14
10.82
11.27
11.72
12.40
13.08
12.61
13.52
14.42
15.03
15.63
16.54
17.45
25
654
9.07
9.73
10.38
10.81
11.25
11.90
12.55
2.10
12.97
13.84
14.42
15.00
15.87
16.74
26
&/,
8.72
9.35
9.98
10.40
10.82
11.44
12.07
11.64
12.48
13.31
13.87
14.43
15.27
16.10
27
6*4
8.40
9.00
9.60
10.01
10.41
11.02
11.62
11.20
12.01
12.81
13.35
13.89
14.69
15.50
28 ,
7
8.10
8.68
9.27
9.65
10.04
10.62
11.21
10.80
11.58
12.36
12.87
13.39
14.17
14.94
29
7J4
7.82
8.38
8.94
9.32
9.69
10.26
10.82
10.42
11.17
11.93
12.43
12.93
13.68
14.43
80
7*4
7.55
8.10
8.64
9.00
9.37
9.91
10.45
10.08
10.80
11.53
12.01
12.50
13.22
13.95
81
7*4
7.31
7.84
8.36
8.71
9.07
9.59
10.12
9.76
10.46
11.16
11.63
12.10
12.80
13.50
32
8
7.08
7.59
8.10
8.44
8.78
9.29
9.80
9.44
10.12
10.80
11.25
11.70
12.38
13.06
33
854
6.86
7.36
7.85
8.18
8.51
9.01
9.50
9.15
9.81
10.47
10.91
11.35
12.01
12.66
34
8J4
6.66
7.14
7.62
7.94
8.26
8.74
9.22
8.88
9.52
10.16
10.58
11.01
11.65
12.29
85
8*4
6.46
6.93
7.40
7.71
8.02
8.48
8.95
8.62
9.24
9.86
10.27
10.6
11.31
11.93
i
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