Canon Community

No question that the vintage lenses aren't as sharp as the modern ones, but they are quite a bit cheaper, and fun to experiment with...

I ran into a similar problem with my EOS-1D Mk II. I had bought a Helios 44-2 vintage lens and a M42-EF adapter to make it fit he camera body. This adapter had no way to close the contacts with the AF system, so I always got an error message when I t...