FOR THE TRUELY ANAL ABOUT PRECISION
(set to daylight)(Patton constant)(9/23/2000)

NORMAL LENS
Format
Diagonal
angle
FL
ph size
F#
1/3" vid
9
53
9
0.134
67
1/2" vid
13
53
13
0.161
81
35mm
43
53
43
0.294
146
6x4.5
71
53
71
0.377
188
6x6
81
53
81
0.403
201
6x7
87
53
87
0.418
208
6x9
103
53
103
0.454
227
4x5
152
53
152
0.552
275
5x7
207
53
208
0.644
321
8x10
304
53
305
0.781
389
WIDE ANGLE LENS
Format
Diagonal
angle
FL
ph size
F#
1/3" vid
9
90
4.5
0.099
45
1/2" vid
13
90
6.5
0.119
55
35mm
43
90
22
0.216
99
6x4.5
71
90
36
0.278
128
6x6
81
90
41
0.297
136
6x7
87
90
44
0.308
141
6x9
103
90
52
0.335
154
4x5
152
90
76
0.407
187
5x7
207
90
104
0.474
218
8x10
304
90
152
0.575
264
EXTREME WIDE ANGLE
Format
Diagonal
angle
FL
ph size
F#
1/3" vid
9
127
2.2
0.079
29
1/2" vid
13
127
3.2
0.095
34
35mm
43
127
11
0.172
63
6x4.5
71
127
18
0.221
80
6x6
81
127
20
0.236
86
6x7
87
127
22
0.245
89
6x9
103
127
26
0.266
97
4x5
152
127
38
0.323
118
5x7
207
127
52
0.377
137
8x10
304
127
76
0.457
166
TELEPHOTO LENS
Format
Diagonal
angle
FL
ph size
F#
1/3" vid
9
28
18
0.188
128
1/2" vid
13
28
26
0.226
153
35mm
43
28
86
0.411
279
6x4.5
71
28
142
0.528
358
6x6
81
28
162
0.564
383
6x7
87
28
174
0.584
397
6x9
103
28
207
0.636
432
4x5
152
28
305
0.772
524
5x7
207
28
415
0.901
612
8x10
304
28
610
1.092
742
           
MOD TELEPHOTO LENS
Format
Diagonal
angle
FL
ph size
F#
1/3" vid
9
14
36
0.265
136
1/2" vid
13
14
52
0.328
163
35mm
43
14
172
0.579
297
6x4.5
71
14
284
0.744
382
6x6
81
14
324
0.795
408
6x7
87
14
348
0.824
423
6x9
103
14
412
0.896
460
4x5
152
14
608
1.089
558
5x7
207
14
828
1.270
652
8x10
304
14
1216
1.540
790
 
HIGH TELEPHOTO LENS
Format
Diagonal
angle
FL
ph size
F#
1/3" vid
9
14
72
0.374
192
1/2" vid
13
14
104
0.450
231
35mm
43
14
344
0.818
420
6x4.5
71
14
568
1.051
540
6x6
81
14
648
1.123
577
6x7
87
14
696
1.164
598
6x9
103
14
824
1.266
651
4x5
152
14
1216
1.538
790
5x7
207
14
1656
1.795
922
8x10
304
14
2432
2.176
1118