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% Centralization: 3arcmin Clear aperture: >85% Su
rface figure: 1/2 at 632.8nm Surface quality: 60/40 scratch/dig Bevel: 0.25mm x 45° Coating: uncoated or coated upon requests We su
pply standard lens and customized or OEM lenses upon customers' requests. We have advanc
ed measurement instruments, and a trioptic lens measurement system, to ensure accuracy of each lens.
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% Centralization: 3arcmin Clear aperture: >85% Su
rface figure: 1/2 at 632.8nm Surface quality: 60/40 scratch/dig Bevel: 0.25mm x 45° Coating: uncoated or coated upon requests We su
pply standard lens and customized or OEM lenses upon customers' requests. We have advanc
ed measurement instruments, and a trioptic lens measurement system, to ensure accuracy of each lens.