Supplementary lens

EN: Supplementary lens

Fotografie digitala si IT

Another name for a close-up lens.



Supplementary lens.

Generally a simple positive (converging) lens used in front of the camera lens toenable it to focus at close range. Th}e effect is to provide a lens of shorter focallength without altering the lens-film separation, thus giving the extra extensionrequired for close focusing.

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