Quote Originally Posted by 5stringdeath View Post
I have a 135N back .. been trying to locate a 135W ... simple answer is, if you have this back you only have to carry one camera :-)
That makes sense. By the way, I just found out that my ETRS is equipped with the focus screen for 135 film backs (microprism/split image). Nice to know, if I should come across a 135W back.

My 120 backs are with double release handles, and no locking darkslide.