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I’ve used a Bintel 6”f6 newt for 4 years and a Bintel 8” f5 newt for 2 years both for Astrophotography with my Canon DSLR 600D (APS-C sensor)
My 6” f6 scope only came with a single speed focuser which is not ideal for Astrophotography so I had Bintel ( Don ) replace it with a dual speed crayford focuser.Also I moved my primary mirror forward into the scope by 4mm using cork spacers from Bunnings which gave me additional travel in my focuser for focusing.The focuser did just reach focus but I wanted a bit more travel so the spacers did the trick. Only recently I replaced the primary mirror springs with new heavy duty springs purchased locally which made collimation a breeze. The 8” f5 scope came with a dual speed focuser with plenty of in focus travel
6 months ago I fitted JMI motofocusers to both scopes,so now I have remote 3 speed focus control, very nice.
I do both planetary and DSO imaging with both scopes, the 6” f6 is located in Sydney ( Bortle 8 skies ) and the 8” f5 is located at my weekender south coast NSW ( Bortle 3 skies )
Photos of both rigs attached
Cheers
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