Is anyone familiar with this unusual firmware version on this Canon EOS 5D Mk III?A member of a Facebook group has this firmware on his camera and I believe it is probably a “Factory Menu” firmware sometimes installed by Canon when they are servicing...
I recently started getting an error when using Chrome on my PC to access this Forum. Internet Explorer works fine, the error only occurs with Chrome, and only on this Canon Forum. If I use Chrome on my iPad it also works fine. Any ideas what is happ...
I own 12 different EF and EF-S Zoom lenses. 5 of them have a mysterious index mark on focal length zoom ring as shown in the photos below. The 24-105mm USM also has a little white dot. I circled the markings in Red. My 7 other Zoom lenses have no ma...
I have owned the BG-11 for a few years now and only recently got around to trying out the BGM-E11A "AA" battery pack. I noticed that the battery info says "BGM-E6" instead of BGM-E11A. ("BGM-E6" is the AA pack for the 5D Mk II) Is this normal? Does a...
Don’t use Bulb mode. I suspect you used Bulb mode, but had it set to open after an 2 second self timer, or 10 self timer. Is that right? If not, I don’t see how you can set a 2 second exposure and also use Bulb mode. It’s impossible to use Bulb mode,...
No, a US0707 date code means your lens was manufactured in July of 2004, making it 21 years old.
The first letter was the manufacturing plant. "U" means Canon's Utsunomiya, Japan factory.
The second letter is the year. “S” means 2004.
07 means July...
Only 10 digit serial numbers can be decoded for date of manufacture. It is highly unlikely your lens was manufactured in July 2023.
A 70-200mm lens with a 6 digit serial number should have an alpha numeric date code stamped on the lens mount area.
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@jvanides wrote:
Mike - When you say “…the focus ring is Full Time Manual Focus…”, may I assume you mean that even if the focus switch on the lens is set to Autofocus, turning the ring still changes the focus?
Yes, even when set to Autofocus, the fo...
Like other USM L lenses, the focus ring is Full Time Manual Focus, and should always be directly connected to the focus mechanism. Using an adapter should have no effect on Manual Focus. If the problem re-appears, you might need to service the lens.
