Dimensions in mm
Material: Optical glass type, fine annealed or UV grade fused silica
Clear aperture: 90% of diameter
Dimension tolerance: +/-0.2mm typical
Length tolerance: +/-0.2mm typical
Surface Quality: 60-40 scratch-dig
Coating: optional

Size Length Centering Glass Coating  Part No  Price
Dia19.00 177.0 5 arc min BK7 None  LPD19x177  $50.0>