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Shape: Spherical
Structure: Double Concave
Usage: Optical
Material: Glass
Brand Name: SUNDAY
Place of Origin: China (Mainland)
Material: bk7 znse caf2 sapphire silicon ge


We produce spherical lens from 0.65-600mm with optical glass and crystal material.  the surface quality can reach 5-0.
Materials: Bk7, quartz, Caf2, crystal,ZnSe, Silicon, Ge
Diameter: 0.65 to 600mm
Diameter tolerance: 0.01mm to 0.1mm
Edge thickness: 1mm +/-0.10mm
Focal length: 0.1% to 2%
Surface quantity: 80/50 to 20/10
Centration: 1 to 3 arc minutes
Fringes: 1 to 5
Coating: No or AR

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