technical parameter
Material
|
K9 Fused Silica H-ZF7LA, etc.
|
Dimensional tolerance
|
±0.1mm
|
Thickness tolerance
|
±0.1mm
|
Design wavelength
|
632.8nm
|
Surface Quality
|
60/40
|
Clear aperture
|
>90%
|
aperture
|
N<3(0.5)632.8nm
|
Center deviation
|
<3分
|
Focal length tolerance
|
±2%
|
Chamfer
|
Protective<0.5mmх45°
|
Coating
|
AL AG AU HR AR
|