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doublet concave-convex optical lens for measuring instrument |
doublet concave-convex optical lens Material:bk7+KA% Process:Machining+Polishing+Glue+Coating Dimension Tolerance:±0.1mm S/D:40/20 Coating:Upon requirement Application Field:Monoculars,binoculars,telescopes,microscopes, cameras& projectors . MMT--your reliable one stop solution partner in China |