RE: [APML] Refractor recommendation

["Dave Dockery" <dave.dockery@zianet.com>]

Thanks Alan.
I'm really leaning toward the 85 and will go a little higher if I have
to.

The reducer/corrector sounds good. It would be nice to shoot faster than
f/7 on the deep stuff.  What does the corrector do vs. the flattener?
Thanks for the help,
Dave


-----Original Message-----
From: owner-astro-photo@seds.org [mailto:owner-astro-photo@seds.org] On
Behalf Of Alan Voetsch
Sent: Thursday, December 12, 2002 9:01 PM
To: astro-photo@seds.org
Subject: Re: [APML] Refractor recommendation

Hi Dave,

--- Dave Dockery <dave.dockery@zianet.com> wrote:
> A friend recommended that I try and pick up a used
> TeleVue 85 on
> Astromart. 

I saw an 85 on astromart today for $1350, with a qwik
finder (?) and an EP. That's about the best price I've
seen for one, but you may be pushing the budget a bit.

> If I do find an 85, will I also need a
> field flattener or
> some other accessory to optimize the optics for AP? 

A reducer/corrector will give you more options as far
as speed and FOV. There is also a flattener that
increases the the focal lenth a bit.

Alan




--  APML Archives at <http://astro.umsystem.edu/apml/>  ---
             Unsubscribe at <majordomo@seds.org>