Hello, so google launched its new community features recently, and there is already quite a few photo related communities (specialized in landscape, portrait, night photo, HDR, etc...), some of them with already 40K+ users.
For Nex users you can join this one : https://plus.google.com/u/1/communities/112849123363950007520#communities/112849123363950007520
|Patrick Finds Inner Peace by ecastellon|
from Your best photo of the week!
|Forks by Kukla|
from Arranged everyday objects