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11 February 2026

diffhist Focal length 14:43 +1,695 Phlogiston Enthusiast talk contribs (Restored revision 1337799238 by DessHolliday (talk): Oops. I reverted the wrong thing.) Tags: Twinkle Undo
diffhist Focal length 14:41 −1,695 Phlogiston Enthusiast talk contribs (Restored revision 1337799078 by ~2026-93772-1 (talk): Please stop reverting this. It is verging on edit-warring.) Tags: Twinkle Undo Reverted
diffhist Focal length 14:35 +1,695 DessHolliday talk contribs (Undid revision 1337799078 by ~2026-93772-1 (talk) why was this removed? reverting possible vandalism) Tags: Undo Reverted
diffhist Focal length 14:34 −1,695 ~2026-93772-1 talk (→Thin lens approximation) Tags: Reverted possible vandalism section blanking