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You are here: Home / Article / AF fine tune

AF fine tune

March 4, 2022 by Rod Lawton

Most cameras use the main sensor for focusing, but digital SLRs have a different system. They use a separate phase detection autofocus sensor which must be precisely aligned with the main sensor for the focus to be accurate. Sometimes this and different lens designs can lead to small misalignments and slight focus errors, so more advanced DSLRs have an autofocus fine tune feature to correct any discrepancies.

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Filed Under: Article Tagged With: Autofocus A-Z, Cameras A-Z

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