Canon 5D Mark III is a really lovely daytime photography camera. Many members here have done really nice Astro work with cameras much worse than your Canon 80D which should get you really nice images if you mod it. I would keep the 5D Mark III for daytime use. If you want a better camera still for Astro, I would look at Astro specific cooled
20 hours ago · You certainly *can* use UHS-1 cards in a UHS-2 slot, or vice versa, and it will basically work. The card and camera will simply ignore the extra pins, and you will get UHS-1 performance. But if your camera needs faster UHS-2 speeds -- e.g. for burst shooting, or for video shooting -- then you will need *both* ends of the connection to upport Canon HDMI Camera Settings - Canon 1DC/ 5DMKII This section applies to the Canon 5D Mark III (firmware v1.2.3) and Canon 1DC (firmware v1.3.5). Please note that though the Canon 1DC can record 4K internally, the output is HD only. 1. SET CAMERA TO VIDEO MODE 2. SET INTERNAL RECORDING So my 5D Mk3 started to not turn on once in a while and I took it into Canon Professional Services - I asked if they could leave firmware version untouched and they said now step one in any service is to upgrade firmware. Needless to say I now have 1.3.3 firmware installed and looks like no ML will run on that.Uncompressed HDMI output is now enabled. 2. Enables the center AF point to autofocus when the camera is used with Canon EF lens/extender combinations whose combined maximum aperture is f/8. 3. Improves the speed of the camera's acquisition of focus when using a Canon Speedlite's AF-assist beam.
Firmware Version 1.1.3 is for cameras with firmware up to Version 1.1.2. If the camera’s firmware is already Version 1.1.3, it is not necessary to download this firmware. EOS 5D Mark III price check (should be in stock everywhere, at least in the US): B&H Photo , Adorama , Amazon USA , Amazon Canada , Canon Canada , Canon USAGo to freeshuttercounter and hit search. 2. On the official site, download the software. 3. Install the software on your device. 4. On your Canon 5D Mark III, change the camera communication settings to PTP. 5. Now, using the USB data cable, connect your Canon 5D Mark III to your Mac or Windows computer.
Canon 5d Mark III, Firmware: 1.1.3, Lexar Professional 1667x SD card 128 GB, SDXC UHS-II, up to 250 MB/s., Lexar Professional CF 128 GB 1066x (160 MB/s) UDMA 7.
I just purchased a Canon 5D Mk111, in May 2013, and have a 128GB Sandisk compact flash which the camera does not see at all. CompactFlash is formatted exfat on my laptop and works ok on my laptop card reader and also works in a Canon 40D camera. I upgraded the firmware to latest level but it still did not work. So far Canon support have beenMy 5D mark III (bought new in Japan, but has been updated to firmware 1.2.1 from the US) can be changed to French, German, Swedish, Danish (which I would claim is far more important than Swedish ) etc without any limitations - my 5D mark II (bought second hand in Japan, and never updated with a non-Japanese firmware) can do the same, in fact BQCpP.