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Re: [ATM] Eyepiece

Microscope eyepieces are usually Huygens types and are useful for large
focal ratios (f12 or f15) such as used on refractors.  They are not
really very good for the typical f4 to f6 Newtonian.  A better choice
would be a  binocular eyepiece such as used on a 7X50.

Jarvis Krumbein 

On Fri, 23 Sep 2005 22:43:31 -0700 (PDT) Saqib Sajjad
<saqibsajjad@yahoo.com> writes:
> hi,
> 
> 
> i saw couple of microscope eyepieces available in
> market.my question is can an eyepiece of a microscope
> be used for telescope's eyepiece ? and the
> eyepieces(3) had written 20x,40x and one had 80x
> written on it. there was nothing else written on it.
> so how do i know its focal length?
> 
> 
> Saqib
> 
> 
> 	
> 		
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