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Description du produit
Équipement optique & Optique & Accessoires /  Autres Équipement Optique / 
Information sur le fabricant
Société :
Jilin Tianhua Opto-electrical Technology Development Co., Ltd
 
Adresse :
Torch road 286,High Technology district, Changchun city, Jilin Province, China
 
Téléphone :
+86-431-85175526

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Bi-convex lenses are used as magnifiers, objectives, condensing systems. Since both surfaces contribute to the power of biconvex lenses, they have shorter focal length than PCX lenses of equal diameter and surface radius.Material : BK7 and othersFocal length tolerance :±2% ~ ±0.5%Diameter tolerance :±0.2mm ~ ±0.05mmCenter Thickness :±0.2mm ~ ±0.03mmSurface quality :60/40 ~ 10/5Surface accuracy:λ/4@633nmCentration :3'~1'Bevelling :
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