So, this is my other go-to lens for shooting reds... Rikenon XR 35/2.8 - Again no Canon gear; but these K-mount lenses are easily adaptable to EOS mounts with a glass-less adapter, same flange length as the M42s. Shot this on my K-50 as well; my main camera... I find that the old glass is easier on strong colours, and does not "digitize it" as do the newer glass. Then again, I've seldom used new glass other than kit lenses, so my opinion is kinda skewed.
