> But, you really don't need the photos - just look at a Pentax > K-mount lens and then look at your Vivitar - you just have to > remove enough of the extra flange to mkae them look the same (but > without getting any aluminum filings into the lens, of course). > Simple. (And heck, if ~I~ can do it, ~any~one can do it - <g>.)
...and I should have added, the effort, might be well worth it. I'm not familiar with the the Vivitar 28/2, but there are a lot of good Vivitar lenses from back in the late 1970's (even though, unfortunately, some of 'em had excessive mount flanges, that's all). Fred