This one was annoying me cos it's slightly soft haha. Flash and good lenses help I only use my 70-200, 50 1.4 and 11-16 now, don't touch the 18-135 stock rubbish.
Yeah Nikon 1.8 is a biiitch cos of that I want a 16-35 2.8L mkII to complete my set! and maybe a 100 2.8L Macro The Tokina 11-16mm is f2.8 and awesome, really sharp, light and handles distortion well but is prone to chromatic abberations which I find slightly annoying
tokina eh, so you can get nikon fits for it sounds like a real nice piece of glass. my 18-55 f.4.5 is terribly unsharp and it's the widest angle lens i have, might have to look into a wider angle lens.
When you look into the sun or flash you sometimes get a nice rainbow of lens flare across the image, high quality lenses don't get this due to the better glass. They can also cause purpley fringing on the edges of white areas in images.