Sell Achromatic Doublets

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Product Origin:China
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Description:All our achromats are computer optimized to minimize aberrations and coma, and are supplied either multilayer coated or with a single layer anti-reflection coating suitable for the ultra-violet (200-350nm), visible (350-600nm), near infra-red (600-1200nm), and infra-red (1300-1600nm) range. A wide range of focal lengths and diameters are available. Please send us your specification or drawing and we will be happy to return a quotation ASAP. Our average response time is within 24 hours. Our optical designers are always available to assist with your special needs and our factory in China is ready to meet your quantity requirements. Specifications: 1) Diameter: Φ10 - 300mm 2) Material: optical crown glass, flint glass, or as requested 3) Surface quality: up to 40-20 S&D, or as requested 4) Surface accuracy: up to λ/20, or as requested 5) Clear aperture:>90% 6) Diameter tolerance: +0/-(0.05-0.2)mm (depends on the dimension) 7) Focal length tolerance: ±2% 8) Center thickness tolerance: ±0.2 9) Edge thickness tolerance: as requested 10) Bevel: (0.1 - 2mm) x 45° (depends on the diameter) 11) Coating: as requested