I had the opportunity to test the Sony 24mm f/1.8 ZA Carl Zeiss Sonnar T* lens on a NEX-5n recently and despite the lack of a distance scale and depth-of-field markings the lens is a joy to use. It's also a world class performer optically, and should perform equally well on the intriguing NEX-7. Apart from the attractive drawing style of Zeiss lenses, of particular merit for available light photography is the edge-to-edge performance at maximum aperture.
The above photograph taken at f/2.0 atop Primrose Hill, London on an overcast day, is cropped top and bottom but retains the original horizontal resolution.
This is a crop at 1:1 from the far left. Shooting cityscapes at f/2 is not recommended, this was purely for testing purposes but it reveals the imaging performance is of a very high order.
The lens has a unusually close 16cm minimum focus distance, which permits close-ups such as this small candle (it's about 3cm tall). Note the smooth differential focus (bokeh) and circular highlights (there's the slightest green tinge at the edge visible at 1:1).
To buy, please follow the links to Jessops (£849.95), or Adorama ($999.99 USD / £631 ex VAT ). Thank you for buying through this site's links.
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