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連絡先担当者 Ms. kelly
NO.66 Xingang Road, Zhonglou District Changzhou city,Jiangsu Province,China, Changzhou, Jiangsu
Plano-Concave Lenses • BK 7 optical glass • ≤λ/4 surface irregularity, ***0 scratch-dig • Broadband or laser line AR coatings available • Standard diameters and focal lengths Designed to meet the demanding requirements of laser electro-optic applications, HLL**9;s BK 7 precision plano-concave lenses are manufactured from fine annealed optical glass and are polished to tight tolerances using master test plates to ensure minimum wavefront distortion. Standard diameters from 2.5 mm to *5mm and standard focal lengths are available either uncoated or multi-layer AR coated