Canon EOS R5 Mark II Firmware Rumors & Speculation

I would also like to see the ability to activate pre-capture by utilizing the 'AF On' button (like Sony & Nikon) - not just the shutter button.

I wrote to Canon USA and received the following reply:

"The [Pre-recording] feature can be assigned to the [AF-ON] button in video mode. This cannot be done in still shooting, however. This option is found in the green menu tab #1. You should see [Customize buttons for shooting]."

So, it looks like I'll have to wait for a firmware update to get this function.
 
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I wrote to Canon USA and received the following reply:

"The [Pre-recording] feature can be assigned to the [AF-ON] button in video mode. This cannot be done in still shooting, however. This option is found in the green menu tab #1. You should see [Customize buttons for shooting]."

So, it looks like I'll have to wait for a firmware update to get this function.
Did you ask about ‘Pre-Continuous Shooting’? Technically, pre-recording is a video feature. Regardless, pre-capture can’t be assigned to anything but the shutter button half-press currently.

Personally, I have pre-capture in some C# modes but not others, and I also use back-button (AF-ON) focus with the shutter button assigned to metering only.
 
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Did you ask about ‘Pre-Continuous Shooting’? Technically, pre-recording is a video feature. Regardless, pre-capture can’t be assigned to anything but the shutter button half-press currently.

Personally, I have pre-capture in some C# modes but not others, and I also use back-button (AF-ON) focus with the shutter button assigned to metering only.

Yes, my question to Canon was specifically about 'Pre-Continuous', but I guess they chose to cover all the bases by including info on 'Pre-Recording' (a feature I currently have no use for, as I don't do video).

For me, I have become accustomed to activating P-C via the AF-ON button since that's how my Sony & Nikon are configured, so I hope Canon makes this an option.
 
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Having upgraded software in march I took my R5 mkii to the arctic, at temperatures of minus 18 to minus 28 it just shut down ( lasted about 5 images) changing battery for warm ones made no difference, someone else there had similar but less severe, nikon on Sony users were find. I have contacted canon (uk) having had unhelpful responses from first person I asked for a senior person- again he was uninterested and just went back to it’s only designed for use above zero. I have seen on other forums that this is not an isolated issue, but also seems to happen to some and not others.
 
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Having upgraded software in march I took my R5 mkii to the arctic, at temperatures of minus 18 to minus 28 it just shut down ( lasted about 5 images) changing battery for warm ones made no difference, someone else there had similar but less severe, nikon on Sony users were find. I have contacted canon (uk) having had unhelpful responses from first person I asked for a senior person- again he was uninterested and just went back to it’s only designed for use above zero. I have seen on other forums that this is not an isolated issue, but also seems to happen to some and not others.
Do you think that's from a firmware update? Seems more like a hardware issue but I could be wrong.

Also, are those temps in C or F?

Just curious. I haven't brought my camera out in cold temps yet. I live by Chicago. Super curious if firmware can cause these issues.
 
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Having upgraded software in march I took my R5 mkii to the arctic, at temperatures of minus 18 to minus 28 it just shut down ( lasted about 5 images) changing battery for warm ones made no difference, someone else there had similar but less severe, nikon on Sony users were find. I have contacted canon (uk) having had unhelpful responses from first person I asked for a senior person- again he was uninterested and just went back to it’s only designed for use above zero. I have seen on other forums that this is not an isolated issue, but also seems to happen to some and not others.
I was using my R5 in Norway/Sweden 18 months ago in -15C to -18C temps (no wind chill) and no issues... mostly on tripod ie not handheld.
I have heard of many people having no issues with the R5 in cold weather. Hopefully it isn't a design issue with the R5ii.

For night work, I use dew heaters for astro work to reduce condensation on lenses. The same principle could be used in your scenario assuming you are carrying a large powerbank inside your jacket. Just a thought.
 
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Canon doesn't seem to follow conventional naming nomenclature for their firmware releases. R5's v2.0 didn't have much in it based on a full number increment.
That we can see, they might've overhauled the complete memory allocation framework or upgraded to a new version of dryOS. But I agree that from a user standpoint, the 2.x seems a bit overly dramatic for the changes delivered.
 
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