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Linhe,changchun,jilin,China China
連絡先担当者 Ms. haibo wang
住所 Linhe, changchun, jilin
* Material:Bk7 A glass, Quartz, CaF2 or crystals.* Focal length:0.1%* Dia:0.01_0.1mm* Center thickness toleran
Material: Bk7 glass and ZF2(or ZF4) EFL: +/- 2% Diameter: +0, -0.18 Center thickness tolerance: +/- 0.20 S
Mount thread: 62mm Front filter thread thread: 82mm 0.45X AF digital wide angle lens with Macro High-index/
Jollystar photoelectric science & technology Co., Ltd., established in 2004, is seated in Changchun which
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