Hello,

I asked a basic harmless question on the Optics forum and people cannot respond to it.

I have been here for many years. Is there a reason why?

Thank you,

RAS

"...aspire to live quietly, and to mind your own affairs, and to work with your hands, as we instructed you, so that you may walk properly before outsiders and be dependent on no one." - Paul to the church in Thessalonica.