Focal length and lens extension tables, Focal length table, working distances in inches, Lens selection guide 6 – Banner PresencePLUS Megapixel C-Mount Lenses User Manual
Page 9: Working distances in inches
Lens Selection Guide
6
P/N 69950 rev. B
Banner Engineering Corp. • Minneapolis, MN • USA
www.bannerengineering.com • Tel: 763.544.3164
Focal Length and Lens Extension Tables
NOTE: Working distance and FOV must be known in order to use these tables.
See
Focal Length Table, Working Distances in Inches
FOV in
Inches
(H x V)
Working Distances in Inches
4 mm
Lens
8 mm
Lens
12 mm
Lens
16 mm
Lens
25 mm
Lens
50 mm
Lens
75 mm
Lens
0.2 x 0.2
4.1*
5*
*
Extensions
may be
added to
these 25- ,
50- ,and
75-mm
lenses as
indicated by
the given
lengths
(in mm) in the
0.3 x 0.2
1.6*
5.2*
7*
0.4 x 0.3
2.1*
6.2*
8*
0.5 x 0.4
1.7
2.6*
7.3*
9*
1.0 x 0.8
2.5
3.3
5.2*
12.5*
17*
1.5 x 1.1
2.5
3.8
5.0
7.8*
17.7*
26*
2.0 x 1.5
3.3
5.0
6.7
10.4*
23*
34*
2.5 x 1.9
4.2
6.3
8.3
13.0*
28*
40*
3.0 x 2.3
5.0
7.5
10.0
15.6*
33
46
3.5 x 2.6
2.9*
5.8
8.8
11.7
18.2*
39
54
4.0 x 3.0
3.3*
6.7
10.0
13.3
21*
44
62
4.5 x 3.4
3.8*
7.5
11.3
15.0
23
49
70
5.0 x 3.8
4.2*
8.3
12.5
16.7
26
54
77
5.5 x 4.1
4.6*
9.2
13.8
18.3
29
59
85
6.0 x 4.5
5.0*
10.0
15.0
20
31
65
93
6.5 x 4.9
5.4*
10.8
16.3
22
34
70
101
7.0 x 5.3
5.8*
11.7
17.5
23
36
75
108
7.5 x 5.6
6.3
12.5
18.8
25
39
80
116
8.0 x 6.0
6.7
13.3
20
27
42
85
124
8.5 x 6.4
7.1
14.2
21
28
44
91
121
9.0 x 6.8
7.5
15.0
23
30
47
96
139
9.5 x 7.1
7.9
15.8
24
32
49
101
147
10.0 x 7.5
8.3
16.7
25
33
52
106
155
10.5 x 7.9
8.8
17.5
26
35
55
111
162
11.0 x 8.3
9.2
18.3
28
37
57
117
170
11.5 x 8.6
9.6
19.2
29
38
60
122
178
12.0 x 9.0
10.0
20
30
40
63
127
186
12.5 x 9.4
10.4
21
31
42
65
132
193
13.0 x 9.8
10.8
22
33
43
68
147
201
13.5 x 10.1
11.3
23
34
45
70
143
209
14.0 x 10.5
11.7
23
35
47
73
148
216
14.5 x 10.9
12.1
24
36
48
76
153
224
15.0 x 11.3
12.5
25
38
50
78
158
232
15.5 x 11.6
12.9
26
39
52
81
164
240
16.0 x 12.0
13.3
27
40
53
83
169
247
16.5 x 12.4
13.8
28
41
55
86
174
255
17.0 x 12.8
14.2
28
43
57
89
179
263
17.5 x 13.1
14.6
29
44
58
91
184
271
18.0 x 13.5
15.0
30
45
60
94
190
278
18.5 x 13.9
15.4
31
46
62
96
195
286
19.0 x 14.3
15.8
32
48
63
99
200
294
19.5 x 14.6
16.3
33
49
65
102
205
302
20.0 x 15.0
16.7
33
50
67
104
210
309