[null, null, {"document_url": "http://blog.michaeldanielho.com/2013/07/canon-firmware-updates-eos-1d-mk-iii.html", "unformatted_src": "http://1.bp.blogspot.com/-3NiqxlIBo4E/UffKaM_OxyI/AAAAAAAAHF0/VrsxJf3vDJc/s400/Canon1D-MK4c.jpg", "src": "http://1.bp.blogspot.com/-3NiqxlIBo4E/UffKaM_OxyI/AAAAAAAAHF0/VrsxJf3vDJc/s400/Canon1D-MK4c.jpg", "formatted_filename": "Canon D MK c", "rendered_width": 400, "rendered_height": 300}, null, null, null]

Canon Firmware Updates - EOS-1D Mk III, EOS-1Ds Mk III, EOS-1D Mk IV Canon has issued new Firmware updates for their older EOS-1D bodies. There is nothing critical to fix and no new added functions, plus the fixes are relatively minor. I may not even bother unless I can find the time. The following fixes have been incorporated in the new firmwares.

EOS-1D Mk III firmware download

EOS-1Ds MK III firmware download

EOS-1D Mk IV firmware download