I have two virtually identical 100mm ED F/9 refractors. A Vixen and a Celestron/Skywatcher. The only difference is in the draw tubes. The Vixen's 2" draw tube has 3 baffles with the flat black paint. The Skywatcher 2" draw tube is threaded all the way and painted with the same flat back paint.
My question is: which draw tube has the advantage in reducing stray light?
Regards.
My question is: which draw tube has the advantage in reducing stray light?
Regards.
