bk7 double concave lens directly sale for projection
15864295076749.jpg
  • bk7 double concave lens directly sale for projection
  • 15864295076749.jpg

bk7 double concave lens directly sale for projection

material:
fused silica
design wavelength:
546.1nm, n=1.46008
diameter tolerance:
+0.0/-0.1mm
paraxial focal length:
±2%
centration:
3arcminutes
surface figure:
l/4@632.8nm
surface quality:
60/40
clear aperture:
>80%
bevel:
coating:
uncoated
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double concave lens description
Among all kinds of double concave lens , achromatic doublet has widely found its applications in industry because of its fine properties.
bk7 double concave lens directly sale for projection
bk7 double concave lens directly sale for projection
double concave lens SPECIFICATIONS
Clear Aperture:>80%
Surface Quality:60/40
Surface Figure:l/4@632.8nm
Centration:3arcminutes
Paraxial Focal Length:±2%
Diameter Tolerance:+0.0/-0.1mm
Design Wavelength:546.1nm, n=1.46008
Material:Fused Silica
Coating:Uncoated
Bevel:<0.25mmX45°
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