Address: NO 258 Heyuan Road
High-New Technology Zone
Changchun City
China
Phone: +86-0431-89684446
Optical flats
Manufactured using BK-7 grade of optical glass or fused quartz of 0.06 or 0.13 micron, our range of optical flats is used for inspection of gauge blocks, mechanical seals, pump valves, auto parts, prisms, filters, mirrors and windows. The diameters of the raw material range from 25mm to 100mm. These optical flats are used to measure the flatness of unknown surfaces as a reference by means of property of interference. Material:BK7 and other optical lensDiameter :25mmThickness:15~25mmFlatness:λ/10Surface quality:60—40scratch and digParallelism Tolerance:l arc sec
Achromatic Lenses consist of two or more elements, usually of crown and flint glass that have been corrected for chromatic aberration with respect to two selected waveleng
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