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Reply | Forward Message #874 of 875 |
Re: [ccdimaging] Re: New to Group

Serena,

The adapter is needed so that the webcam will fit into the visual back of the
scope. The webcam has the lens removed exposing the CCD and then the adapter is
screwed in. I will try your suggestion tonight.

Thanks,

Casey


serena_aussie <no_reply@yahoogroups.com> wrote:
Your description suggests that the wbcam CCD is too far from the focus
plane, so your telescope hasn't enough adjustment to achieve focus at
the plane of your CCD. I am surprised. Don't know what a Mogg adapter
looks like (despite going to the web site) but I suggest removing that
and find the focus plane with a piece of paper (move it back and forth
until you get a focussed image). You can easily determine the limits
of your focussing control and make sure your CCD is placed within that
range. If you are using focal length adapter, use the same technique
with that in place. There are some other possibilities, but do those
checks first.

--- In ccdimaging2@yahoogroups.com, "casey4965" <casey4965@...> wrote:
>
The problem I am having and I hope someone out
> there can help me is that I can not get the webcam to focus. I see the
> screen changing when I adjust the focus knob but it is just fuzzies.
> If I am missing something please let me know.
>






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Thu Feb 21, 2008 1:05 pm

casey4965
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Message #874 of 875 |
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Hello all!! I am new to the group so let me tell you a little bit about myself. I am a radio frequency shielding designer who is interested in astronomy and...
casey4965
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Feb 21, 2008
3:21 am

Your description suggests that the wbcam CCD is too far from the focus plane, so your telescope hasn't enough adjustment to achieve focus at the plane of your...
serena_aussie
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Feb 21, 2008
3:35 am

Serena, The adapter is needed so that the webcam will fit into the visual back of the scope. The webcam has the lens removed exposing the CCD and then the...
Casey Skelton
casey4965
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Feb 21, 2008
10:58 pm

I have a similar system for my ToUCam (home made) and it can only fail if the scope can't focus at the plane containing the CCD. You can check it in daylight...
serena_aussie
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Feb 21, 2008
11:05 pm
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