How is the Sigma 19mm?

flint-hill wrote:

It's great. It's not as sharp as the 30/2.8 Sigma, but few lenses are. It's a little sharper than my Nikon f/2.8 AIS which had been my primary landscape lens for 20 years. That's very sharp. It's a wonderful landscape lens. Handles sun in the frame very wel, has good color and contrast. It's good enough for 8x12 prints wide open. It's just excelllent at f/5.6 and f/8.

Here are some links:

http://www.lensrentals.com/blog/2012/04/nex-7-lens-imatest-resolution-comparison

http://www.dpreview.com/galleries/8354232401/albums/sigma-19mm-ex-dn

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http://www.flickr.com/photos/flint-hill