| Place of Origin |
China (Mainland) |
| Brand Name |
HLL |
| Model Number |
HLL-065FG |
optical lens&glass lens. Plano convex lenses, Plano concave lenses, Bi-convex lenses, Bi-concave lenses, meniscus lenses, achromatics lenses, ball lenses specification: Dimensions Tolerance+0/-0.05mmClear Aperture90%Bevel<0.25mm 45Thickness Tolerance+/-0.05mmParallelism1 arc minute.Surface FlatnessSurface Quality60-40 scratch-dig.