Re: wider FOV: looking for a new scope
From: Paul Lawler (stargazer_at_kilolaniDOT.net)
Date: 08/09/04
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Date: Mon, 09 Aug 2004 09:22:31 GMT
"md" <not given to avoid spam> wrote in message
news:4117318b$0$559$e4fe514c@news.xs4all.nl...
> Hi,
>
> I have been observing with my Mak (ETX105) for a year now, and I am
very happy with it. The
> reasons I bought this scope were:
> - a mak is good alround scope,
> - the ETX105 is very portable (which is important to me)
> - I do not care for the goto functionality, but I wanted tracking
capability
> - I wanted to try out the new technologies (after a passive period of
18 years): webcam
> astrophotography, computer control etc. I considered (and still
consider) the ETX a good start
>
> After a year, I know that I am serious about this hobby, and a larger
scope is definately on my
> wishlist. Other plans (building new home) force me to postpone that
purchase a bit (moving to a
> very dark site, so it is worth the wait).
>
> But.... I am shopping for an inexpensive large FOV scope, like the
Orion ST80. My mak is a f/14
> with a very narrow FOV. I am considering buying a focal reducer (0.5)
making it a f/7 but this
> reducer only works for cams (not for visual observing). I might do
this anyway, to enable me to
> image larger parts of the bigger objects, but I would like to have a
good, portable, fast
> scope. Any recommendations?
If you want to do more serious astrophotography then focal reduction on
the ETX is not your best route. It really doesn't track well enough to
photograph anything but the brightest objects. At the risk of getting
flamed, you want a GEM mount rather than a fork mount.
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