Article ID : 00022416 / Last Modified : 03/01/2018

The aperture cannot be adjusted in movie mode when using the LA-EA2 or LA-EA4 mount adapter with an A-mount lens.

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When an A-mount lens is attached and the camera is in Auto Focus (AF) mode, the aperture value is automatically set to F3.5 or to the maximum aperture value  on lenses with an aperture smaller than F3.5 during movie recording. It cannot be changed when recording with AF. To select a different aperture value, the camera must be in Manual Focus (MF) mode.