When I use the P mode on my M10 Mark ii, the shutter speed seems to default to around 1/125 when using the mechanical shutter and to a much lower 1/30 when using the electronic shutter?

Might there be a reason for this, or is it something arbitrary?

It ends up as a quite handy way to switch between "P-mode for movement, P-mode for quietness "


It's hard to say what all is being set differently, and why, in P mode; sometimes the logic is kind of explained in the manual.

My best guess is that the camera is setting a lower SS in order to minimize/prevent banding with artificial lighting... 1/30 is 2x as long as the 60hz cycle of electric lighting (US).

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