Focal length: Revision history

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8 June 2020

2 June 2020

  • curprev 09:0609:06, 2 June 2020‎ Divenal talk contribs‎ 456 bytes +456‎ 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..."
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