jopp

It is used for optical lens,with high quality and best service. optical PrismPenta prismMaterial: BK7A = h = 15 x 15mmDimension Tolerance: +0.1mm Parallelism: 3 sidesPenta angle: 90 degrees +/-2 arc SecFlatness: λ/10 at 632.8nm Surface Quality: 20 to 10 scratch and digCoating surface polished Anti reflective AR coated R0 less than 0.5 % at 650(+/-10)nm Reflectivity: R more than 98% per face at ...