| 出生地 |
Guangdong China (Mainland) |
| 牌子的名字 |
xiehong brand |
| 模式的数量 |
xh-optical lens-01 |
Optical Lens Specification: optical lens are applied to isolate different physical environments while allowing light to pass. opticallens are ideal for applications where high pressure, vacuum, or corrosive atmospheres are a consideration ·Extremely hard and durable material.·Ideal for thermally demanding environments.Optical Lens are scratch resistant and have broad transmission range from the UV to the NIR. in both round and rectangular size with a standard parallelism of 1 arc Minute.PS is single polystyreneand because of its structure strength, optical lens can be made much thinner than others.Material polystyreneSurface FlatnessClear Aperture90%Parallelism3 arc minDimensions Tolerance+0.0/-0.05mmThickness Tolerance+/-0.1mmBevel<0.25mm 45Surface Quality60-40 scratch-dig