windows
USD $0.1 - $1,000 /Piece
Min.Order:1 Piece
Shandong Yanggu Constant Crystal Optics Inc.
Circular Windows |
High Precision BK7 Windows Specifications: ·Material:BK7grade A optical glass ·Diameter Tolerance:+0.0/-0.1mm ·Thickness Tolerance:±0.2mm ·Clear Aperture:>80% ·Parallelism:See the table ·Surface Quality:10-5 scratch and dig ·Wavefront Distortion:λ/10 per inch ·Bevel:<0.5mm×45° |