Quote Originally Posted by E. von Hoegh View Post
Also, those non-working metered prisms very often come back to life if you clean all the contacts, including the potentiometer. I'm 3 for 3 so far, that is of the three I have owned since about 1995 all have come back to life and remained reliable. I use an Ftn finder for when I must have TTL metering, I overhauled it in 1998 and it's still going, the other two I sold.

A waistlevel finder is on my want list, go figure.
I'll let you know if and when I find a prism for my camera and my waistlevel finder will be looking for a new good home :-)
A pity you already sold the other two Ftn prisms ....