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smc PENTAX DA 10-17mm F3.5-4.5 ED (IF) Fish-Eye
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Calculating Magnification Last Updated: Thu Apr 16 13:26:24 -0400 2009
Q: How do I Calculate Magnification?
A: Magnification is determined by the focal length of the scope's objective lens and the focal length of the eyepiece (in combination).
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Eyepiece
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Last Updated: Thu Apr 16 13:26:24 -0400 2009
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