There were two hoods for that lens, a metal screw-in and a metal snap-in that falls off every time you bump it. Look on the Mir site for the models numbers.
Originally Posted by ToddB
I'm presuming you're talking of the pre-Ai, 50/1.4 Nikkor-S - in which case the "S" is not a series but a designation of the number of elements. S = sept, seven, H = hex, six, and so on.
Why wouldn't you be able to use a rubber hood? If it has 52mm threads and doesn't vignette the corners, it's all good.
http://www.mir.com.my/rb/photography...kor/index2.htm Scroll down.