製品情報
原産地: 中国(本土) | 銘柄: realpoo. | モデル番号: R-1 |
材料: ガラス | 使用法: 光学 | 構造: 平凹 |
形: Plano |
包装
包装: Protective Packing |
A concave lens is a lens, or piece of glass, that curves inward. The lens is thicker at the edges than it is in the center of the lens. The most common use is in eyeglasses.
Material | BK7/Fused Silica/Sapphire/MgF2 |
focal length (f’) | ±2%@587.6nm |
Diameter Tolerance: | +0.0/-0.2mm |
Center Thickness Tolerance(Tc) | ±0.1mm |
Centration Error: | <3 arcmin |
aperture | 1~5 |
Partial aperture | 0.2~0.5 |
smooth finish | IV |
Coating | MgF2 anti-reflection film |
Clear Aperture: | >90% of central diameter |
We will process as the drawings and requirements rigorously.
Our engineer will check or design the drawings according to the details.