Re: Expensive Small Aperture Refractor?

Glen Ilacqua <g_ilacqua@xxxxxxxxx> wrote in
news:0001HW.BF5F72970027B58AF0284550@xxxxxxxxxxxx:

> I'm new to astronomy, but I've been reading allot and a number of things
> confuse me. One is that most advice from magazine's "How-To" editorials
> say the same thing; that aperture size is important. So if aperture is
> so important, what's with the 3-5" refractors that cost as much (or
> more) than my car? Are these so much better than similarly sized
> newtonians, etc. Or are they just of such high build quality that they
> command that kind of money? Who is buying a $7,000+ 100mm refractor, and
> why?
>
> Just curious.
>
> Glen

I guess one thing would be wide field photography. APO refractors have a
large fully illuminated field of view.

Klazmon.




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>

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