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2 messages added in the last 7 days
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  • Re: What Point Mirror Cell?

    ... i'm not nils but i think i have the answer from my quick look... ... in the pic, you see the three aluminum bars that make the bottom triangle of the

    wkitty42 1 hour ago
  • Re: What Point Mirror Cell?

    Hi Nils I am working on making a mirror cell and I have been keenly studying the picture at your link posted below. How is the mirror collimated? I am not able

    ad_prasad 4 hours ago
  • Re: What Point Mirror Cell?

    Hi, you find some info in the graphic plots pulldown menu, in cell parts and cell dimensions. I don't use them myself so I am not so familiar - in the case of

    nilsolofcarlin 7 days ago
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Group Description

This Group is for the FREE exchange of ideas related to Amateur Telescope Making (ATM).

Have fun, be kind, play fair, learn, teach, participate.

Here's a contributed photo of a homemade 22 inch tube (before painting) for an Astrograph built by Dave Tandy. The full size photo can be viewed by ATM_FREE members in the "Photos" section. Check out the ATM_FREE Group's discussion for more info on this project and other things we are doing.

Ken Hunter

Group Information

  • 1593
  • Telescopes
  • Jun 1, 2002
  • English

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