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Term - IF (Internal Focusing)


IF (Internal Focusing) SWPP Photographic Glossary

Sunday 15th December 2019  




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IF (Internal Focusing)

The system in which only the internal lens group shifts during focusing. IF benefits include focusing without changing the physical length of a lens body, faster focusing, reduced diameter of the focusing ring, closer minimum focusing distance, and aberrations corrected throughout the entire focusing distance range.



 

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06/11/2019 11:36:07