Vivitar 400mm f5.6 Auto Telephoto filter=77mm 28502534
Vivitar 400mm f5.6
This lens was cheap… around $10 or so… And it is worth about that much. I am hoping the new lens profiler that AdobeLabs.com came out with will render this lens usable. It is a far cry better than my Sigma 400mm… Both of the have Chromatic Abberation issues in the range of terrible…
