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It appears you may be using Barlow wrong,if it is a televue Barlow the nosepiece unscrews and you should be able to focus better.
On Jul 22, 2021, at 6:03 PM, CaptMax <captmax@...> wrote:
I am struggling to get a Daystar H-Alpha filter working with my 105 Traveler. The problem is bringing it in focus. I am using the ERF red glass filter with this as well. Pretty sure it is due to incorrect focal length or the fact that it needs to be operated at an f30. Has anyone had experience playing with one of these on a Traveler? Any insight is greatly appreciated, thank-you for any and all replies.