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View Full Version : DFK31 PST and parallel lines



Drrobin
July 15, 2012, 21:39:39
Hi,

I have a PST and have been using it with a webcam with no problems. Now that I have a Barlow lens I can get my DFK31 to focus, but I appear to be getting dark lines on one side of the camera. I haven't noticed them before on astro objects or even when used with a white light solar filter, just on a Coronado PST.

Does anyone know how to get rid of them? The webcam doesn't seem to do it and it is similar pixel size and resolution. I have tried different frame rates and they always seem to be there.

I have attached a picture which shows the problem.