I'm an engineer at Twitter, so you should follow me on Twitter:
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Flickr and Instagram are where you can find the photos I take with a full-frame Nikon D600 (and iPhone 5). I shoot with 12-24mm ƒ/2.8, 24mm ƒ/1.4, 50mm ƒ/1.4, and 70-200mm ƒ/2.8 lenses, and edit with Lightroom with various Nik software plugins as well as many iOS photo editing apps.
Mischief. Mayhem. Math.