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Re: ATM While we are on focusers...
- To: atm@shore.net
- Subject: Re: ATM While we are on focusers...
- From: Archer Sully <archer@meer.net>
- Date: Thu, 14 Jun 2001 10:59:15 -0600
- In-Reply-To: <E15AWlw-0007BN-00@aquarium.shore.net>
- Organization: Frostbite Falls Pinochle and Birdwatching Society
- References: <E15AWlw-0007BN-00@aquarium.shore.net>
- Reply-To: Archer Sully <archer@meer.net>
- Sender: owner-atm@shore.net
> Torsten Clay <tclay@theriver.com>
> Subject: Re: ATM While we are on focusers...
>
> On Wed, 13 Jun 2001, Del Stanton wrote:
> > For me there are many advantages to a "sled type"
> > focusser...
>
> This has always sounded like a great idea to me, but aren't there
> problems keeping collimation (unless you do some really precise
> machining) as the sled moves back and forth?
>
As long as the carriage is reasonably straight there's not much
of a problem because you can at least converge on a primary
alignment that will be parallel to the carriage of the focuser.
Archer Sully