RE: Green Laser Ptr as a Finder -- NOT

From: Michelle Stone (tac4mstone@No-Spam)
Date: Thu Jan 29 2004 - 18:08:26 MST

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    Hey if I had one, I'd use it like that! It's a good idea. For me it would
    be easier to point the scope since I wouldn't have to look through the
    finder to verify a locaion. ;)

    Michelle Stone
    Custom Telescopes by Plettstone
    http://www.plettstone.com/telescopes

    > -----Original Message-----
    > From: sf-bay-tac-bounces@No-Spam [mailto:sf-bay-tac-bounces@No-Spam]On
    > Behalf Of Bob Jardine
    > Sent: Thursday, January 29, 2004 12:29 PM
    > To: The Astronomy Connection
    > Subject: [TAC] Green Laser Ptr as a Finder -- NOT
    >
    >
    > Hi TACOs,
    >
    > I'm going to apologize in advance for flaming here. And I hope I'm not
    > starting a mail war, but I think this may be a somewhat important
    > topic. So here goes...
    >
    > Flame Mode On :-)
    >
    > When I was out observing sometime last week, during one of the usual
    > equipment discussions, I overheard one person say to another one
    > something about planning to rig up a mount for his green laser pointer
    > to use it as a finder. The person shall remain nameless, both because
    > he might consider the error of his ways prior to actually performing
    > this travesty, and also because I honestly don't know who it was.
    >
    > Come on! You can't be serious, right?
    >
    > OK. I have a green laser pointer, too. And I consider it both great
    > fun and of great utility -- in its place! Which is not as a finder.
    > It is for pointing out objects to other people, and then only after
    > asking for permission from (or at least warning) those around you about
    > its use.
    >
    > And, really, what's wrong with a red-dot or other unit-power finder?
    > Is there really any more utility in the green laser version? I doubt
    > it. But I'll stand corrected if anyone can explain to me why it is
    > better.
    >
    > But I think there are two really bad things about this idea.
    >
    > One is that it could be dangerous. These GLPs are not toys. And
    > hooking one up to the telescope means that the user will be likely to
    > forget the normal precautions of not pointing the thing anywhere near
    > any person. And what happens if "the public" is present, and some
    > unsuspecting little kid walks up and puts his face in it?
    >
    > The second one is that it is a source of light pollution, and we all
    > know that we have too much of that. Maybe it is a small source, but
    > why introduce more? When used, sparingly, as a tool to point something
    > out, the added light pollution can perhaps be justified. But to put
    > the thing on a 'scope, and probably leave it turned on for long periods
    > of time, seems like the gratuitous introduction of unnecessary light.
    > Yes, that was redundant.
    >
    > Flame Mode Off :-)
    >
    > OK. I've said my piece. I'll say no more about it if I get booed down
    > or if somebody can explain to me why this is a good idea.
    >
    > Bob J.
    >
    >
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