In a message dated 02/10/01 12:23:59 Greenwich Standard Time,

> Subj: Re: [M]: JMI focuser helps for shift?
> Date: 02/10/01 12:23:59 Greenwich Standard Time
>
> In a message dated Tue, 2 Oct 2001 2:32:12 AM Eastern Daylight Time, "
>
> > One simple question:I am considering to buy an electric focuser (the JMI
> or
> > the Meade) for my LX200 12",this to focus in an easyer way.Does it work
> also
> > to reduce the shift of the mirror?
> > thank you everybody
> >
> > Stefano Padovan Photographer
>
>
> HI Stefano:
>
> No. A motofocus unit that attaches to the normal focus control does
nothing
> for focus shift. All it does is provide a remote focusing arrangement.
>
> Peace,
> Rod
>
Hello Stefano

The set-up we have here is using the JMI unit and lock the mirror after
course focusing. The JMI will then give you an excellent fine focus. We use
the RoboFocus attachment to remote the operation.

John

Dr. John Linse
Headley Observatory
Hampshire, England

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