Hi! I want to seek your advise for the settings you usually use for nightscape like shooting MBS in esplande..i am using d90+tamron17-55mm i am shooting same composition as stated(mbs) I use f/16, shutter:30secs, isoL1.0, wB: tungsten and clouds.. To get crisp and sharp pics shud i stick to f/16, 30secs or f/11,30secs, which settings is better f/16,13,11 or 18? Shutter: 30s, 25s, or bulb? I want to get sharp land/city/nightscape.. Thanks