writes:

>
>I tried to use the laser for collimation by placing a white semi
>opaque
>plastic on top of the OTA and got a nice projection of the holographic
>grid on it. I then centered the secondary mirror on that grid. When I
>startested later, collimation was way off. I guess, you are completly
>right about the laser beeing no good for a SC scope; I'll stick to
>collimating the oldfashioned way. The only problem is, that seeing at
>my site is rarely good enough to see decent diffraction rings. Maybe'
>Ill have to use the daytime method.
>
>Bert Mettier

I use the Connect-X camera, modified without lens and used primed
focus on my SC. The camera pixels magifiy the image so an eyepiece is
not needed. Down load to a laptop is about 1-second so it is almost real
time. Looking at the image on the screen I do an out-of-focus
collimation, very simply and you don't need help to
complete..............ric

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