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I figure you guys actually know, first hand, what hardware is inside the Canon R5.  There is a debate on another forum about batteries and how best to store your camera.

What I plan to do in the future is to store the camera without the battery.  If I store the camera with the battery in it, the battery discharges within a few months.  My experience is with the R5C but I assume the R5 also has this characteristic as well.  I just haven't stored my R5 for as long a period.  Also, it seems that the Bluetooth is always on unless turned off via menu settings.  Possibly the Wi-Fi works similarly.

I assume the settings are in some type of non-volatile memory and should survive indefinitely without power.  Someone pointed out that there is a button battery that keeps the clock running and it could go completely dead and is not cheap to replace.  They also claim that this button battery is recharged from the main battery.

I would assume the button battery powers the clock all the time and I would also assume that the main battery does not recharge it since batteries that last a long time such as button batteries are generally not rechargeable.  Perhaps the main battery takes over the job when it is installed.

Can you share your knowledge?

I thought I'd put this here.

I'm going through the user guide and the camera help and at the same time looking at my screen as well as the feature matrix.

I was slightly confused with the Auto ETTR section.  I didn't notice at first but there is a "see ettr.mo in Modules" line at the bottom of the section.  Perhaps the title could be changed or that line put at the top of the section?  I see there are two other places that do the same thing.

I'm happy to try and make the change but thought I'd check first.

I grew up in Dallas and now live north of Austin in a little town called Leander.  I'm a programmer by profession.  I play a bit of music.

I do mostly natural light still photography.  Here are some samples of my photography.

My photography sorta goes in spirts.  The last several years I have not done much but I'm trying to get back into it.  I need to get up off my a#$ and do something.  I love surfing the web all day but it just isn't healthy.

So, I wanted to venture into video hoping that might motivate me some and thought ML might help me learn.  Plus, the idea of rooting your camera sounds like too much fun to pass up.

I bought a Canon 5D Mk III and I have successfully put Firmware 1.1.3 on it with ML as suggested.  Slowly going through the user guide(s).

If you want a long boring storey... keep reading.  In college (1977-1982 time frame), the campus computer center was selling off their old Regent 100 terminals and I bought one.  It was either 8080 based or 8085 based and it had a bug where if you held down the shift key as it was receiving escape sequences, the shift lock would go on and off and end up in the on state 50% of the time.  This was because the way to get into shift lock is by hitting shift and escape on the keyboard.  The bug was it didn't distinguish between locally produced escapes and escapes received remotely.

So I disassembled the EPROM.  I think there was a schematic on the inside.  Between the two, I figured out the code, figured out the way to fix it, burnt a new EPROM and fixed my terminal!

I've also debugged some of my early electronic projects with nothing but an LED -- which is part of the early history of ML it seems.  So I feel like I understand the massive amount of time that has been put into ML.  It would be fascinating to come up with a rough estimate of the number of hours that has been put into it.

I'm very curious about ML and tinkering with it.  Hopefully I can contribute some as well.

I went to Internet Archive: Wayback Machine and typed in the old path of http://pel.hu/down/eos5d3-v113-win.zip ... It was my first time there so it took a while to figure out the UI but eventually something downloaded with these checksums:

63492 335 ./update-procedure-pdf/5d3-firmwareupdate-jp.pdf
58462 339 ./update-procedure-pdf/5d3-firmwareupdate-fr.pdf
4839 353 ./update-procedure-pdf/5d3-firmwareupdate-sp.pdf
58464 336 ./update-procedure-pdf/5d3-firmwareupdate-en.pdf
20502 428 ./update-procedure-pdf/5d3-firmwareupdate-zh.pdf
29393 17363 ./5D300113.FIR


(I'm on a Mac and Safari exploded the zip file for me.)  Can anyone validate the checksums for me?

Update: I found a message on dpreview where the guy mentioned the md5 of the zip file.  I tweaked Safari, downloaded the zip file again, it has the same md5 value:

MD5 (eos5d3-v113-win.zip) = c6a0b9d3b194500d2964fc34291d6d7d

Also, if you are curious:

MD5 (5D300113.FIR) = ae70eab0cbe17ebeda65fd02e03dc2c5

I bought a 5D Mk III.  Shutter count is 28K which Google suggested wasn't terribly high.

It has firmware 1.2.1 on it.  I found 1.3.5 on the Canon web site.  So far, I can't find version 1.1.3 (yet).  The pel.hu site does not respond.  I'm still looking... part of the quest :-) but if someone wants to help me out, I'd appreciate it.

Please forgive the ultra naive question but does Canon get upset if folks have a repository of old firmware?  If not, I'd be happy to host it on one of my sites.

Thank you...

Thank you.  I see them used on ebay for $700 or so.  Any reason not to pick one up used?  i.e. did they have minor revisions or something like that?

Hi,

I've been looking at Magic Lantern since 2016 -- perhaps before.  I have the pro Canon cameras which ML doesn't work with.  I'm about to take a 3 week vacation and I'm flush with money so I thought I might buy a camera specifically for ML.  What would you suggest either disregarding price or with the price factored into your decisions?  I'm specifically focused on video for this.

I will have other cameras with me so this will be for pure joy, experimenting, and fun!  It won't be a disaster if it bricks on day 4.

Thank you for your time,
pedz

I've seen mention there is a list of reasons why ML is not developed for the pro line of Canon cameras.  Can someone point me to that? I checked the sticky articles in the general developers forum and didn't see anything.

Hi,

I'm a programmer with 30+ years of experience and dabble in various open source projects.  I've tracked down bugs in GNU's C compiler, Ruby, Rails, etc.

I'm also a photographer.  I'm curious about helping out.  Like the devs, I also have a life and am timid about promising much of anything.

I came here looking for information about Canon's Picture Profiles and one thing led to another.  I know next to nothing about Magic Lantern.  I am pretty sure I have bumped into it before but have been steered away because I shot the 1D line of cameras.  I currently own a 1DX MkII.  But I plan on buying a Canon 5Ds R soon for landscape photography.  Perhaps, maybe, I would change my mind and buy a new 5D MkIV instead (or both  )

As I said, I know nothing about Magic Lantern but it sounds like it has raw video.  Is that true?  It seems like a lot of people would be interested in getting that feature to more platforms but then again, I suppose the number of programmers that also shoot video is vanishing small.