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added Category:Articles using HotCat
(Created page with "The focal length of a lens is the distance from the lens to the point at which parallel incident light converges. For example, since the rays from the sun are effectively para...") |
Viceroy Sam (talk | contribs) m (added Category:Articles using HotCat) |
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=See Also= | =See Also= | ||
* [[Diopters]] | * [[Diopters]] | ||
[[Category:Articles]] | |||