Getting Started with In-Sight 1010
16
Appendix A: Lens Selection Chart
Table A-1. Lens Selection Chart
Field of view (mm)
(Horizontal)
Distances from object to front of lens (mm)
+ [extension tube length] (mm)
12 mm lens
16 mm lens
25 mm lens
15 - - 75
[7]
20 - - 100
[5]
25
-
75 [2.5]
135 [2]
30
-
94 [1.5]
165 [1]
35 - 112
[1]
190
40
90 [0.5]
128 [1]
210
45
100 [0.5]
147 [1]
240
50
115 [0.5]
164 [0.5]
265
55
127 [0.5]
183 [0.5]
295
60 140
200
[0.5] -
65 152
216
[0.5] -
70 165 234 -
75 175 251 -
80 195 270 -