The 5D Mk IV uses the same off camera cord as any other EOS camera. The cord you bought must be poor quality and does not make proper contact....
My first camera was a Kodak Brownie Hawkeye "Flash" model that my parents gave me when I was about 12 years old in 1968. In 1972 I bought a used...
It could be this lens.
I saw this photo of a girl holding an AV-1 but I can't identify the lens?
Anyone recognize it?
Oops, I took too long editing my post and now the photos can't be seen.
Here are the photos I meant to include.
How much did you pay for the GR-E1? I found the prices to be crazy?
My GR-E1 doesn't have the little grey tab at the top. It is the only one I...
Yes, the the BM-E1 and BM-E2 battery magazines are also hard to find. I think it is because people leave them sitting around for months, and then...
I can't really help you with the focus problem other than suggest sending it in for calibration.
I do have an idea why the 60D does not have...
PDF user manual is available here: https://www.cameramanuals.org/canon_pdf/canon_quartz_date_back_e.pdf
There are lots of these on eBay.
m42 to eos adapter with af chip | eBay
I can use my FDn 50mm f/1.4 on my EF-M because I adapted it to an EF mount using the Ed Mika lens mount conversion kit. .
Here is how to fix the mirror magnet BC Error: (fast forward to 8:39)
I finally found a GR-E1 grip but I had to buy an EOS-1 with a BC error for $39.9 USD plus $29.99 USD shipping to get it. It actually turned out...
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