Possible bug in Q firmware 3.1?

[norm_snyder]

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After not having shot with a Q for a couple of years, I picked one up as an autofocus complement to the M10.  When shooting with AF Mode set to focus tracking, jpeg saturation set to monochrome to get black and while finder image, upon half press, finder image switches to color until shutter is released, which is distracting.  This happens in either AFs or AFc.  It does not happen with single point, face recognition or multipoint focus settings, only focus tracking.  Has anyone else encountered this?

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[jayseejay]

I just tried the settings you described with my Q2 v3.1 and had the same result as you - B&W switches to color in both the VF and display. Best, Joe

[Siriusone59]

Same on my Q, guess I hadn't noticed because I never set the AF to tracking.  Thanks for pointing this out.

[mbphotox]

They explained this somewhere.

The switch to colour is to help the focus system better track the subject. (But I cannot find that information anymore..)

[norm_snyder]

Thanks, to all for the response, as I'd been concerned that this was a camera malfunction, rather than firmware.  It's interesting that it appears to relate to focusing, although as the sensor (as with raw files) remains the same, even with monochrome settings for jpegs, I can't see why it  would matter to focusing.  Still, it's good to know this isn't an anomaly limited to my Q, alone.  I will still go ahead an report it as a possible bug to Leica.