Article ID : 00146908 / Last Modified : 09/28/2017

The F-value on the aperture ring differs from the F-value displayed on the monitor

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The maximum F-value or aperture value depends on the focal length of the lens. The correct F-value or aperture value is the one displayed on the monitor. You cannot open the aperture wider than the maximum, even if you set a smaller F-value or aperture value using the aperture ring.