Video Asylum

• Get your astro buddy to grind 6 20 deg prisms. - lwang 21:20:14 08/07/02 (3)
  In Reply to: is this a worthwhile venture ? posted by snkby on August 06, 2002 at 22:02:59:

  The size of the lens. Then put 2 prism together in front of each lens and rotate one until it is pointed in the right position.

  If the image is upside down, get him to grind 6 180 deg prisms, then put in front of the projection lens and have one end of each prism face each other. This will invert the image.

  Make sure he puts florite coating on lens as to minimize light loss.
  
  
  

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  • i thought there might be off-shelf replacement - snkby 21:31:12 08/07/02 (2)
    In Reply to: Get your astro buddy to grind 6 20 deg prisms. posted by lwang on August 07, 2002 at 21:20:14:

    lenses for the specific gun model ?

    or are 4"guns relegated to rp focal depth ?

    as far as inverted picture goes........i was planning on building a suitable chassis for the whole thing and would just mount the projector accordingly.

    to minimize the size i figured that there is a lot of stuff i could take out like the tuner and any audio related circuits.

    and its not like im in a hurry or anything.

    thanks.
    
    

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    • I thought you were removing the whole assembly to use as FPTV - lwang 21:34:30 08/07/02 (1)
      In Reply to: i thought there might be off-shelf replacement posted by snkby on August 07, 2002 at 21:31:12:

      And those DIY astromers, don't they grind mirrors and lenses like nonstop? No time to observe, gotta finish this 30" mirror..
      
      

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      • lololol ! he saw some 15"pvc in my garage and he couldnt - snkby 21:39:44 08/07/02 (0)
        In Reply to: I thought you were removing the whole assembly to use as FPTV posted by lwang on August 07, 2002 at 21:34:30:

        decide whether he wanted to make a telescope or a subwoofer ! lololol

        the point of this post is that i do want to make it into a front projection unit.

        the mirror was totally gone so i have to ask.....was it curved ?

        thanks.
        
        

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• No - Lasermeister 12:02:18 08/07/02 (1)
  In Reply to: is this a worthwhile venture ? posted by snkby on August 06, 2002 at 22:02:59:

  Not unless you're a masochist.

  Todd
  
  

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  • could you please describe what measures would need - snkby 18:53:01 08/07/02 (0)
    In Reply to: No posted by Lasermeister on August 07, 2002 at 12:02:18:

    to be taken ?

    half the fun for me is the tweaking/creating :)

    the thought of a homebrew projector is just too tempting for me.

    and im not expecting spectacular results either.

    more of a learning experience.

    thanks.
    
    

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• Re: is this a worthwhile venture ? - mikebake 07:39:21 08/07/02 (1)
  In Reply to: is this a worthwhile venture ? posted by snkby on August 06, 2002 at 22:02:59:

  Whoa, dude, you have WAY too much time on your hands!!!!!!!!!!
  
  

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  • lololololol ! just a bad case of tweakitis. :) nt - snkby 09:05:17 08/07/02 (0)
    In Reply to: Re: is this a worthwhile venture ? posted by mikebake on August 07, 2002 at 07:39:21:

    c
    
    

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