ES # 160 VUV-UV Coating applied to a custom OAP per ThorLabs custom Part #: MPD00M9-P01-UA-UE-SP: 12.7 mm diameter, 90 degree OAP, 15mm RFL, without anodization/markings.
Note: The Coating clear Aperture would be 90% minimum. There may be some coating blow-bye onto the Un-Anodized side finishes.
