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Providing high quality,safe,healthy,affordable products to promote health,sustainability and environmental awareness We are committed to being an innovative and progressive company as well as a responsible member of the communities in which we do business.We have been continuously investing in our people,our manufacturing plants and processes Since the plant operational since March 2001, after years of operating and development, has been overseas

LuoYang HengRen Optoelectronics Co.,Ltd make lenses with diameter from 1.0mm to 300mm by optical glass or optical crystals, such as BK7, fused silica, sapphire, and CaF2. Our standard lens has the following specifications: Material: grade A BK7, fused silica, sapphire, or CaF2 Diameter tolerance: +0.0, -0.12mm Paraxial focal length tolerance: ±2 Pourcent Centralization: 3arcmin Clear aperture: >85 Pourcent Surface figure: 1/2 at 632.8nm Surface q

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