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[OM] Re: [photo] lunar eclipse

Subject: [OM] Re: [photo] lunar eclipse
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Sun, 04 Mar 2007 21:39:36 -0500
Which would indicate an eyepiece with 10mm focal length.

Chuck Norcutt

Darin wrote:
> I'm just going by what the shop owner told me on the magnification power, 
> but I think it must be similar to the one Moose posted, where it's the lens 
> focal length divided by 10.
> 
> Darin
> 
> Chuck wrote:
>> Microscope eyepieces are generally designated by a magnification factor
>> such as 10X.  Telescope eyepieces are designated only with focal length.
>>  Magnification in a telescope is determined by dividing the focal
>> length of the objective lens by the focal length of the eyepiece.  

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