Here to select the slot you want to play https://helpguide.sony.net/ilc/2110/v1/en/contents/TP1000649103.html Actually I don’t remember if there is the ability to assign to a custom case, in case you can assign in only playback mode, so you doesn’t lost your preferred function in capture mode. https://helpguide.sony.net/ilc/2110/v1/en/contents/TP1000655376.html I agree that the sony’s management of flash cards is not easy (from the presence of a database, to the strange folder structure), but that it’s. If I remember well on newer pro cameras there is a firmware update that enable an easier switch, so they know. 🤷♂️ Finally: no, it isn’t a downgrade from D500 (that I know), the A7iv (that I well know too) is absolutely a great upgrade. But for sure if you are looking for a nikon inside a sony you can’t find it
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