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The wide angle comparison would be like reinventing the wheel. You don't see many Micro comparisons though.

16-35 is generally regarded as better than the 17-35, with added VR, capable of taking 77mm filters (compared to enormous extra cost of a Lee kit for the 14-24), but has significant distortion at the wide end and is nowhere near as good optically as the 14-24.

So if you're prepared to take it's limitations (zoom range, lack of filters, large partially exposed front bulb element, extra cost) the 14-24 whips it.

And whips every other zoom wide angle out there. The only comparible lens, which renders better, is the 21mm Zeiss, but that's fixed focal length and with slight moustache distortion (which you won't notice unless you're shooting horizons)

Case closed!

From the tests & samples I saw,the 16-35mm F4 is not that amazing. It looses some resolution on the borders & corners of photos,which is annoying for people that are after great detailed landscapes,cityscapes etc.
I always advice Nikon photographers (amateurs with money,because pros always know what to buy) to get the 14-24,because there's so substitute to that quality.

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Gear: Nikon D80, 18-105mm, 35mm F/1.8, 85mm F/1.8, SB-600
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I know form the charts that the 16-35 is behind the 14-24 in some measures. But what I always miss in tests is the use of an identical challenging test-target where you can get a real feeling for the type of IQ-difference between two lenses. That's why Gordon uses the Remarkables and other repeat targets, and I use Siemens-stars.
So it would be interesting to see how the theoretical performance differences translate into real-life quality differences.
And I think that the 2mm disadvantage of the 16-35 at the wide end is often compensated for by the extra 9mm at the long end - at least in mixed shooting situations. So the 16-35 really has something going for it compared to the stellar 14-24mm.
But who knows: this might be the subject of some future review

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Thomas (beware: Nikon-fanboy and moderator!) My Lens Reviews, My Pictures, My Photography Blog
D800+assorted lenses

I consider buying Nikon, so a test would not be useless to me.

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Olympus E-500, 12-60, 40-150, 70-300