Achromatic lens for OpenFlexure Microscopes

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This is a single 12.7 mm, f = 50mm achromatic doublet lens for use with the OpenFlexure Microscope high-resolution microscope. Comparable to the lens sourced from ThorLabs. For mor e information on using the lens with the OpenFlexure microscope optics module, check out the official project assembly step page. Specifications: Diameter: Ø = 12.7+0/-0.2 mm Focal length: 50 mm Center thickness: 4.4+/-0.2 mm Surface quality: 40-20 Surface flatness: L/4 (λ/4) Back focal length: 47.3mm Materials: BK7 and SF2 Anti-reflection coating @400-700nm, T>99% Manufacturer: Nanyang Jingliang Photoelectric Co., Ltd. Show more