Re: eyepiece projection setup recommendations?


"Chris L Peterson" <clp@xxxxxxxxxxxxxxxxxx> wrote in message
news:e118r1d6ppa16mtlncce8uhqamo88dkmdn@xxxxxxxxxx
> On Thu, 29 Dec 2005 15:31:54 GMT, "George"
> <george@xxxxxxxxxxxxxxxxxxxxx> wrote:
>
>>Actually, I have had the same question on my mind recently, and have
>>often
>>read others discussing using a barlow, but was unsure if they were
>>attaching the camera to it or if they used it in eyepiece projection. I
>>would have answered this question for myself if I owned one. I've been
>>considering buying a barlow, if for no other reason than the fact that it
>>would give me more magnification options. Now I know for sure how it is
>>being used with digital cameras and know that it would work just fine for
>>my set up. Thanks, Chris.
>
> George-
>
> Just to be clear, I'm talking about a setup involving a video camera
> which has no lens of its own. Many digital cameras have built-in lenses
> that can't be removed. If you are using such a camera, you need to use
> afocal imaging, which mechanically looks like EP projection (optically,
> it isn't the same thing, but you use the same sort of adapters). With
> such a setup you still need to use an EP, whether or not you also use a
> barlow.
>
> _________________________________________________
>
> Chris L Peterson
> Cloudbait Observatory
> http://www.cloudbait.com

I have two digital cameras; one is an SAC IVD, and the other is a DSLR
Cannon 300D. I have two 1.25" adapters with the T-ring threads on one end
that would let me mate either camera to a barlow and then to my newtonian
telescope. So would this work?

George


.

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