This goes here, that goes there (using the E-M1II’s two card slots)…

There’s been some discussion online about ways to use the Olympus E-M1II‘s dual slots, so I thought I’d write up how I use them — in the hope that this is useful for other owners of the camera.

So, first off, three things:

  1. The camera’s two slots have different speeds. Slot 1 (the “top” one) is capable of handling UHS-II cards but is backwards compatible with earlier cards, and Slot 2 (the “bottom” one) is capable of handling UHS-I cards. This is a new thing (to Olympus) with the E-M1II, so earlier models don’t have this capability, and only time will tell what later models will have it. If I’m reading the card specs correctly, the fastest UHS-II card will be 3 times faster than the best UHS-I card.
  2. You can use the two slots in any of six different modes for stills, plus a separate choice for video. Note that your selections are “captured” by custom modes, so you can use the cards differently for each of the 3 custom modes plus your normal mode — if you’ve got the cognitive “real estate” to remember all these permutations.
  3. You’ll need to make changes in two places in the menu system (maybe three, depending on how you set up your camera), but they’re logically separate so pretty easy to keep straight.

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