On Thu, Mar 31, 2022 at 06:07 PM, Bob Haas wrote:
The "ghost" image is caused by secondary emission from the mesh. Some changes
were made to later CRT's to reduce the effect.
That certainly explains why I have not seen the ghost/reflection on my 475s, all of which are later production, but my 485 is from 1980 (based on the date codes on some ICs) which is even later than one of my 475s.
Do you have any reference for what was done to reduce the ghosting?
¡ª Jeff Dutky
