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Sapphire carving

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  • Sapphire carving
Sapphire carvingSapphire carving

Sapphire carving

Material:蓝宝石/Sapphire

Design Wavelength:587.6nm

Focal Length Tolerance:±1%

Diameter Tolerance:+0.0/-0.1mm

Thickness Tolerance:±0.2mm

Surface Accuracy:λ/2@632.8nm

Surface Quality:40-20

Centration:<3'

Clear Aperture:>90%

Bevelling:<0.2×45°

Coating:Custom Design