Hi all, this is my first thread so I'll see how I go. I purchased a Celestron C11 last year. I have had a bit of a go at astrophotography starting with the basics really, with some afocal and prime focus shots through my wife's Nikon D40. Reading the info that's around my understanding is that a focal reducer can reduce the exposure time required, and also makes the field of view larger through the eyepiece. My scope has a focal ration of f/10 and when I tried doing prime focus shots on the moon with a 2" step adaptor I wasn't able to get the whole moon in the shot. In the future I'm looking at getting a f6.3 focal reducer but I'm wondering if I did if I'd be able to see the whole of the moon in the field of view. Has anyone out there had this kind of problem? Is a focal reducer worth it?
