Yes it is awkward to use, and slow. I need to get the NEX-Nikon G adapter with the ring that opens and closes the aperture. My NEX-Pentax adapter is like that and it's much quicker to open up, focus, and close down the aperture.
D7100 D300, F4e, N90s, N6006, N2000, N6000, D40, N5005, black F2 eye level, chrome F2AS, black Nikomat FTN
Non Nikons: Pentax 645, Pentax ME Super, Pentax Spotmatic II, Minoltas SRT 102, SRT 202, Maxxums 7000 and 7000i, Praktica LB, Kiev 4 rangefinder, Canons TX, A1, FT QL, EF, EOS 630