| |
[index]
[month]
[prev]
[next]
[thead-prev]
[thread-next]
Subject: [M]: Re: Focuser & counterweight
From: Angel Moyano
Reply To: mapug@shore.net
Date: Mon Nov 30 01:58:32 1998
|
While you're here, how about checking out the
Astronomy Book
List ? |
> > 1) The standard focuser that came with the telescope (rack
> > & pinion) is out-of-focus by itself in some positions,
> > specially when the heavier eyepiece is used. Fine
> > adjustments are a little bit difficult too.
In 26 Nov 98 Chris Heapy wrote:
> A JMI electric focusser would be of benefit to you here, I
> know how difficult it is to focus with the image wobbling
> around. You would benefit from the better quality focusser
> too. They make one for Newts but I don't know the model
> number.
Thank you Chris, it´s a pity JMI doesn´t have a Webpage,
I´ve read about their focusers in its S&T advertise, but I
have no idea which one is appropriate for my scope. Price
range is from $88 up to $250!!
> > 2) I'm getting crazy with the counterweights, because every
> > time I change eyepieces my telescope is out of balance.
> Balance your scope for the heaviest eyepiece you have,
> then make (or have a machine shop make) some brass weights
> that can be added when you insert a lighter eyepiece.
I was doing just the opposite, I´ll try your suggestion
next time. Thanks again!
Saludos desde el Peru!
Angel Moyano
Lima-PERU
12º S; 77º W.; [UT - 5 hrs]
View index by [date] [author] [subject]
Previous message: Re: [M]: Lunar GOTO beta 1.0 debugs Rob's brain, Bill Arnett
Next message: Re: [M]: Lunar GOTO beta 1.0 debugs Rob's brain, Dan Dickerson
Next message in thread: [M]: Focuser & counterweight, Email address hidden
Previous message in thread: Re: [M]: Focuser & counterweight, Chris Heapy
|
|