bk7 double concave manufacturer for sale
15864111644871.jpg
  • bk7 double concave manufacturer for sale
  • 15864111644871.jpg

bk7 double concave manufacturer for sale

material:
bk7
design wavelength:
546.1nm, n=1.518721
diameter tolerance:
+0.0/-0.1mm
paraxial focal length:
±2%
centration:
3 arc minutes
surface figure:
l/4@632.8nm
surface quality:
60/40
clear aperture:
>80%
bevel:
coating:
uncoated
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double concave description
The products are internationally certified and have a longer service life than other products.
bk7 double concave manufacturer for sale
bk7 double concave manufacturer for sale
double concave SPECIFICATIONS
Coating:Uncoated
Bevel:<0.25mmX45°
Clear Aperture:>80%
Surface Quality:60/40
Surface Figure:l/4@632.8nm
Centration:3 arc minutes
Paraxial Focal Length:±2%
Diameter Tolerance:+0.0/-0.1mm
Design Wavelength:546.1nm, n=1.518721
Material:BK7
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