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CR-39 index 1.499 uncoated/coated green Mid-index 1.56 hard-coated/hard multi-coated green Hi-index 1.61/1.67 hard-multi coated green Photo chromic brown & gray Progressive short 14mm & long 17mm corridor Round/Flat/Invisible 28mm top bifocals Semi-finished[...]

Main productions: Cylindrical lens(Aspherical ,Achromatics) Sphericallens(Achromatics Doublet lens) Windows Prisms(Right Angle,Wedges) Customer design[...]

45mm DIN Achromatic Objective：10X，100X(S, Oil) Metallurgical Plan-scope Achromatic Objective：40X（S） Wide Field Plane-Scope Eyepiece：WF10X，WF12.5X Wide Field Plane-Scope Eyepiece with 0.1mm Cross Micrometer：WF10X Micro-ruler：0.01mm/scale Total Magnification：100X-1250X Monocular Head，45º Inclined Double Layers Mechanical Stage（200X180mm）with Two Plates（Ø10 and Ø20mm）； Moving Range X-Y：70X50mm Coaxial Coarse And Fine Focusing Adjustable Mechanism by Rack[...]

mineral lenses, 1.523 white, 1.523 photochromic, 1.70 flint hi-index;[...]