Quote Originally Posted by kitanikon View Post
Best cheap 50 is the F2...the pre-AI "K" version is the cheapest of the F2 versions.
Which is the "K"? I have two 50 f:2s, #6xxxxx and #9xxxxx both Nikkor H, there are some differences in the metal, but AFAIK the optics are identical. These have become my favorite 50s, to the point that I sold off the f:1.4 and f:1.2 versions.