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Old 14-09-2010, 08:05 PM
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RobF (Rob)
Mostly harmless...

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Join Date: Jul 2008
Location: Brisbane, Australia
Posts: 5,735
It is a bit of a can of worms unfortunately Mario. Whoever designed the Skywatcher crayford must have been smoking something fairly strong on the day.
Have a read of these threads for ideas. Broadly, options include:

- new low profile focuser
- cutting down 2" adaptor (what I've done and works for me)
- cutting OTA to move mirror closer
- putting longer screws on mirror
- reaming out inside of current focuser barrel

http://www.iceinspace.com.au/forum/s...ad.php?t=33290

http://www.iceinspace.com.au/forum/s...ighlight=focus
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