Wanted extention tube (NOW FOUND)

Wanted extention tube (NOW FOUND)

Postby catfish » Thu Sep 13, 2007 4:36 pm

Wanted extention tube to fit skywatcher ed80pro so i can focus my camera without using the diagonal.
(please be cheap)[:)]
catfish
 
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RE: Wanted extention tube

Postby jjdemery » Thu Sep 13, 2007 5:26 pm

I have the same problem with my zs66. How do you work out what tubes you need as far as I can see most M42 screw extension tubes come in groups of the three does this give enough adjustment to get forcus. There are plenty of thes on ebay, but first I was going to look in my local camera shop that sells secondhand gear. The ones on ebay are anything between 99p and £15 buy it now.
jjdemery
 
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RE: Wanted extention tube

Postby Chanctonbury » Thu Sep 13, 2007 6:00 pm

I bought a 1.1/4" male to 1.1/4" female 4" extender from this company :-

http://www.ambermile.co.uk/

and a 2" male 'T' to female 'T' from :-

http://www.telescopehouse.co.uk/page.aspx?theLang=001lngdef&pointerid=169345dwprEOVViTRLd8xXbHBDHGbzge

Both work very well indeed

Chanctonbury
 
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RE: Wanted extention tube

Postby sftonkin » Thu Sep 13, 2007 6:33 pm

Please note that the T2 thread is not the same as the M42 thread. They are both 42mm, but the pitch is different (from memory, 0.6mm and 1mm, but memory may be defective). The consequence if mixing them can be binding, and damage to the threads. (Guess how I know this! [;)])
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