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SELFOC® Rod Lens (SRL)
Small Diameter, Single Piece Construction
The SELFOC® Rod Lens is designed as a relay lens for small diameter rigid endoscopes.
It is usually used in conjunction with a SELFOC® Imaging Lens (objective lens) to form a complete
system. Cover glass and stainless steel tube are available as options.
Proper handling and storage of lenses.
Table 1 Optical Properties and Dimensions
|
Diam.
(mm)
|
P
i
t
c
h
|
Dimensions (mm)
|
Optical Properties (@550 nm)
|
|
SRL Length
|
ILW Length
|
CVG Length
|
Total Length
|
SS Tube O.D.
|
SRL
N.A.
|
View Angle (2q)
|
Chromatic Aberration (mm)
|
|
SRL
|
ILW
|
Total
|
|
0.35
|
1
|
14.9 +/- 0.5
|
0.96
+/-0.10
|
0.33
+0/-0.03
|
16.2 +/- 0.7
|
0.60
+0/-0.03
|
0.119
|
13.5°
|
35
|
49
|
84
|
|
2
|
29.8 +/- 1.0
|
31.1 +/- 1.2
|
71
|
120
|
|
3
|
44.7 +/- 1.5
|
46.0 +/- 1.7
|
106
|
155
|
|
4
|
59.6 +/- 2.0
|
60.9 +/- 2.2
|
142
|
191
|
|
0.5
|
1
|
30.2 +/- 1.0
|
1.39
+/-0.13
|
0.33
+0/-0.03
|
31.9 +/- 1.2
|
0.75
+0/-0.03
|
0.084
|
9.5°
|
72
|
51
|
123
|
|
2
|
60.4 +/- 2.0
|
62.1 +/- 2.2
|
144
|
195
|
|
3
|
90.6 +/- 3.0
|
92.3 +/- 3.2
|
215
|
266
|
|
4
|
120.8 +/- 4.0
|
122.5 +/- 4.2
|
288
|
339
|
|
0.7
|
1
|
44.7 +/- 1.4
|
2.00
+/-0.20
|
0.35
+0/-0.03
|
47.1 +/- 1.7
|
0.95
+0/-0.03
|
0.079
|
9.0°
|
106
|
82
|
188
|
|
2
|
89.4 +/- 2.8
|
91.8 +/- 3.1
|
212
|
294
|
|
3
|
134.1 +/- 4.2
|
136.5 +/- 4.5
|
318
|
400
|
|
4
|
178.8 +/- 5.6
|
181.2 +/- 5.9
|
424
|
506
|
|
1.0
|
1
|
44.7 +/- 1.4
|
2.95
+/-0.30
|
0.50
+0/-0.03
|
48.2 +/- 1.8
|
1.25
+0/-0.03
|
0.113
|
13.0°
|
106
|
102
|
208
|
|
2
|
89.4 +/- 2.8
|
92.9 +/- 3.2
|
212
|
314
|
|
3
|
134.1 +/- 4.2
|
137.6 +/- 4.6
|
318
|
420
|
|
4
|
178.8 +/- 5.6
|
182.3 +/- 6.0
|
424
|
526
|
|
1.3
|
1
|
67.0 +/- 2.1
|
3.96
+/-0.35
|
0.65
+0/-0.03
|
71.6 +/- 2.5
|
1.55
+0/-0.03
|
0.098
|
11.0°
|
159
|
144
|
303
|
|
2
|
134.0 +/- 4.2
|
138.6 +/- 4.6
|
318
|
462
|
|
3
|
201.0 +/- 6.3
|
205.6 +/- 6.7
|
477
|
621
|
|
2.0
|
1
|
100.5 +/- 3.2
|
6.54
+/-0.60
|
1.00
+0/-0.03
|
108.1 +/- 3.9
|
2.25
+/-0.02
|
0.1
|
11.5°
|
239
|
261
|
500
|
|
2
|
201.0 +/- 6.4
|
208.6 +/- 7.1
|
477
|
738
|
|
3
|
301.5 +/- 9.6
|
309.1 +/-10.3
|
716
|
977
|
|
2.7
|
1
|
140.7 +/- 4.4
|
9.34
+/-0.80
|
1.35
+0/-0.03
|
151.4 +/- 5.3
|
2.95
+/-0.02
|
0.107
|
11.0°
|
302
|
314
|
616
|
|
2
|
281.4 +/- 8.8
|
292.1 +/- 9.7
|
604
|
918
|
Specification Notes:
- For all SRL, diameter tolerance for all SRL is +0/-0.05 mm, and refractive index on axis is
1.610 @ 550 nm.
- Material for cover glass is F-2 with refractive index of 1.62.
- Longitudinal chromatic aberration from C-line (656.3 nm) to F-line (486.1 mm) is approx. 0.23%
per pitch for all SRL.
| Ordering Information |
|
|
Example:
|
|
|
|
Diameter
|
Pitch
|
Objective Lens (ILW)
|
Front Cover Glass
|
Rear Cover Glass
|
Stainless Steel Tube
|
|
SRL
|
050
|
200
|
2
|
2
|
2
|
4
|
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| Code for Objective Lens, Front Cover Glass, Rear Cover Glass: |
|
Stainless Steel Tube: |
|
- 0 = not included
1 = included but not assembled
2 = assembled
|
- 0 = not included
1 = included but not assembled
2 = assembled, 0.5 mm protrusion at distal (SRL) end
|
- 3 = assembled, 0.25 mm protrusions at each end
4 = assembled, 0.5 mm protrusion at proximal (ILW) end
|
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