Originally Posted by
neuroanatomist
I'd say it's worth it if you're going to load that old camera with film and shoot with it. But getting a screw mount for an EOS to use them? No, thanks. IMO, the only reasons to use a manual lens like these on an dSLR would be if they had stellar image quality compared to a modern equivalent, or if they offered a faster aperture than a modern lens in your budget. A quick browse of the internet failed to show that any of these lenses have stellar image quality, and their features aren't impressive (i.e. none are fast for their focal length).
<div style="clear: both;"]</div>