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Old 13-05-2020, 11:02 AM
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The_bluester (Paul)
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Join Date: Feb 2011
Location: Kilmore, Australia
Posts: 3,364
This is very timely for me to see. I am trying to eliminate a reflection issue that appears to be caused by Antares out of field, which must be bouncing off the (Pretty well blackened) rear tube on my corrector. I can see a diffraction pattern of lines from the knurling on the end face of my UV-IR cut filter cell (Not quite parallel lines which all radiate from the position of Antares) and I am about to try an experiment of adding a 10mm M48 extension tube to the objective side of the filter cell as a baffle to see if it cuts that path off. I am probably going to flock it with the Bunnings material as the best thing I will be able to lay my hands on at short notice.

If it works OK I will have to buy a roll of the Scopestuff material to improve it further. Is there any Australian stockist of the Scopestuff material? Recent experience with shipping under COVID 19 says if I have to buy it from the US I will be lucky to see it my my birthday (July)

I have been waiting for over a month since the last tracking update (California) for a small adapter coming from Agena via Ebay, for the first time the shipping time is looking like hitting the silly side of the estimates they give. So I am pretty keen to buy local as much as possible now, even if it means a bespoke part where I might normally be able to buy an off the shelf one.
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