PLANO/CONCAVE, PLANO/CONVEX
Plano/Convex-Spherical lenses have a positive focal length and converges
the incident light. This type lens forms both real and virtual images.
Real image-focused, Virtual Image-magnified.
Plano/Concave- Spherical lenses have a negative focal length and diverges
incident light, this forms a virtual image seen through the lens.
RMI has many standard lenses in stock or Lenses can be designed at customer’s
requirements.
Both sides can be coated with an RMI high effeciency narrowband, anti-reflective
coating.
RMI STANDARD
SPECIFICATIONS
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| Materials: |
BK7, UVFS(mm) CaF2, ZnSe, Ge(inches) |
| Surface Figure: |
BK7, UVFS λ/10
at 632nm, CaF2, ZnSe, Ge λ/40 @ 10.6um
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| Surface Quality: |
BK7, UVFS-10/5, CaF2-20/10, ZnSe,Ge-40/20 |
| Diameter Tolerance: |
+ 0.000", – 0.010" |
| Thickness Tolerance: |
± 0.010" |
| Focal Length Tolerance: |
± 0.5% |
| Centration Error: |
< 3 arc minutes |
| Bevels: |
0.010" – 0.030" at 45º |
| Clear Aperture: |
Central 85% of diameter |
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Last Updated ( Tuesday, 24 April 2007 )
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