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Help CenterSell Plano-Concave Lenses
Negotiable
MOQ: 1 Bag (Price negotiable depending on order volume and customization)
Key Specifications
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Business Type:
Trading Company
Year Established:
2003
Total Employees:
101 - 200 People
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
7 days
Related Products
Product Name: Plano-Concave LensesPlace of Origin: ChinaThis kind of lens is used to increase focal lengths in existing systems. It is more suitable than equi-concave lens if the magnification lies in the range m0.2. We specialize in the production of medium to large-size series custom lenses with exacting tolerances, high grade surface finish and difficult coatings. 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: Φ4 - 300mm 2) Material: BK7 (K9), or as requested 3) Surface quality: up to 60 - 40 S&D, or as requested 4) Surface accuracy: up to λ/4, or as requested 5) Clear aperture: >90% 6) Diameter tolerance: +0.0/- (0.1 - 0.2) mm (depends on dimension) 7) Focal length tolerance: ±2% 8) EFL: as requested 9) Surface figure: λ/4, or as requested 10) Centering tolerance: 3\'\', or as requested 11) CT tolerance: ±(0.1 - 0.25)mm (depends on diameter) 12) ET tolerance: as requested 13) Bevel: (0.25 - 1.0mm) x 45° (depends on diameter) 14) Coating: as requested
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Business Type
Trading Company
Year Established
2003
Total Employees
101 - 200 People
Main Markets
North America, South America, Eastern Europe
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