dirb9 Offline Upload & Sell: Off
|
p.1 #2 · Mamiya 90mm f/3.5 "W" vs. non-"W" | |
The W means that it is slightly newer than the non-w. The W is the current version, IIRC, it was introduced along with the RZ67 Pro II. There is no optical difference, besides maybe slightly revised coatings, if anything.
|