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Its possible that flocking the secondary dewshield area may reduce those reflections. I have heard of that handling persistent reflection problems in an RC type scope before. Something is probably unpainted or shiny in the optical train. Perhaps also the baffle tube could be flocked but I'd start with the secondary shield. Then if no joy I'd look through the optical train for any other bright metal areas.
The suggestion it has something to do with pixels in that report is very humorous. I have never seen that before and used lots of CCD cameras.
It is true some filters reflect worse than others. Baaders and Astronomiks and FLI research grade filters are known for good performance in this area.
Greg
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