BK7 Plano-convex Lens
BK7 plano-convex lens
We supply many kinds of Plano Convex lenses with different focal length and different diameter
These high quality plano-convex lenses are made from K9 fine annealed optical glass .
Plano convex lenses are the simplest form of lens, used for focusing parallel rays of light to a point.
Material |
BK7 optical glass |
focal length (f’) |
±2%@587.6nm |
Diameter Tolerance |
+0.0/-0.2mm |
Thickness Tolerance(Tc) |
±0.1mm |
Centration |
<3 arcmin |
aperture |
1~5 |
Partial aperture |
0.2~0.5 |
smooth finish |
IV |
Coating |
MgF2 anti-reflection film |
Clear Aperture: |
>90% of central diameter |
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