Meniscus lenses can be used with another lens to produce longer or shorter focal lengths. These lenses do not introduce additional spherical aberration or coma in the systems.
Material:
BK7A
Focal Length Tolerance:
¡À0.5%
Diameter Tolerance:
+0/-0.2mm
Thickness Tolerance:
¡À0.2mm
Surface Flatness:
¦Ë/10
Centration Error:
<3 arcmin
Surface Quality:
20/10
Clear Aperture:
>90% of central diameter
Coating:
Optional
Product Number
¦Õ
f' 587.6
f'b
tc
te
TMP-25B-100
25
100.0
94.5
5.4
3.8
TMP-25B-150
25
150.0
142.0
6.5
5.5
TMP-25B-200
25
200.0
191.4
5.3
4.5
TMP-25B-300
25
300.0
289.6
5.1
4.6
TMP-25B-400
25
400.0
387.9
4.6
4.2
TMN-25B-100
25
-100.0
-97.0
4.5
6.4
TMN-25B-150
25
-150.0
-144.1
4.6
5.9
TMN-25B-200
25
-200.0
-188.7
5.9
7.0
TMN-25B-300
25
-300.0
-274.2
8.4
9.3
TMN-25B-400
25
-400.0
-377.9
4.9
5.6
¡¤All dimensions are in mm unless otherwise specified.
¡¤Other size and AR coating are available upon request.
¡¤The material of UV Fused Silica is available.
