Nikon AF-S NIKKOR 14-24mm f/2.8G ED
Listed minimum focus distance is 0.28m/0.9ft.
The lens has 14 elements in 11 groups. Two of these are ED glass, which helps reduce color fringing. Three are glass-molded aspherical. The inside of the front element (only) has Nikon’s special Nano Crystal anti-reflection coating. The diaphragm has 9 rounded blades.
The lens was pool tested at 14mm and 24mm. It is fair to say that there may well be sweet spots between these two focal lengths that were not tested. The testing used a 80mm of extension and a Zen 230mm (9”) dome.
Test at 14mm
Full high resolution downloads of the 14mm focal length test files are available. Please use the password “wide-angle15”.
Test at 24mm
Full high resolution downloads of the 24mm focal length test files are available. Please use the password “wide-angle15”.
The advanced construction of this lens seems to make it less suitable for use behind a dome. I would suggest that you need to be at f11 or greater to get acceptable performance at 14mm and f8/f9 at 24mm. This variation may be due to the elements’ movements within the lens affecting the lens:virtual image distance.
The lens was lent for review by David Cheung of Scubacam Singapore. Many thanks!
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