You can minimize the image shift during focusing by running your focuser all
the way in and out several times, periodically. This spreads the grease
out, and significantly reduced my mirror shift.

Mark de Regt
Redmond, Washington, USA
47.7 N. Latitude; 122 West Longitude
Astro Images: http://home.earthlink.net/~akilla/MAD


> -----Original Message-----
> Doug David
> Sent: Monday, March 29, 2004 5:30 PM
> Subject: [M]: RE: mirror movement
>
>
> Image shift during focusing is normal on all SCTs. The only way to get
> around it is to get an LX200 GPS with a zero image shift focuser, or buy
> a Meade focuser, or an aftermarket focuser like a JMI.
>
>
> Doug
> > -----Original Message-----
> > Behalf Of Kenneth W. Bell
> > Sent: Monday, March 29, 2004 1:16 PM
> > Subject: [M]: mirror movement
> >
> >
> > New guy here. Name is Ken in California. My lx200 8 in. moves objects
> > slightly when I focus it. Is this a major problem or just an
> > inconvenience? I'm using a Canon Digital Rebel to photograph with.
> > Still getting familiar with all the settings on it. Moon seems out of
> > focus a little and over exposed sometimes. I need to get more
> > experience with this setup. Thanks and Clear Skies.. Ken
> > KC6BWO amateur
> > radio callsign.
> >
> >
> >
>
>
>

View index by [date] [author] [subject]
Previous message: RE: [M]: OT: Keeping the computer warm, John Mahony
Next message: Re: [M]: Focus math, Keith
Next message in thread: Re: [M]: mirror movement, Frank
Previous message in thread: RE: [M]: mirror movement, John Mahony