focal length (Q193540)
measure of how strongly an optical system converges or diverges light
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Current Data About focal length
(P18) Image Provided By https://upload.wikimedia.org/wikipedia/commons/8/8b/Focal-length.svg
(P279) (Q36253)
(Q107715)
(P373) Focal length
(P443) LL-Q9610 (ben)-Helperofhumanity-ফোকাস দূরত্ব.wav
(P1343) (Q678259)
(P1687) (P2151)
(P1889) (Q209849)
(Q306578)
(P2579) (Q14620)
(P4020) \mathsf{L}
(P5008) (Q6173448)
(P7973) f