Re: ATM Laser Collimation

["Asaf S.-T." <dark_observer@yahoo.com>]

I thought of an idea, when using a 35mm tube.

You just take two of them, make in both of them a hole
exactly in the same place, and put one of them on the
other, but not till the end, leave a gap between them.

That way you can look through the tube even from the
closest distance, when the two holes act like those
finders in telescope, made only from two round
thingies :-)

Thanks!
===
Asaf Shtull-Trauring, Amateur Astronomer
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