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I have the Sigma 35 1.4. I posted about it in the Street Photography thread. It's phenomenally sharp, I haven't actually taken it off my camera since I bought it. It is built like a tank, weighs a ton, and is huge for a 35 prime, but it's got incredible detail and also it has an interesting tonal range that I personally like, it's kinda muted. It's not vibrant if that's your thing, but it has an interesting way of rendering color that compliments the types of shots I like. I much prefer it to the 35L other than the size. Here are a few shots with it, they are processed so not straight off the camera, but you get the idea.  Collapse Inward by SirWyeth, on Flickr  Noreaster by SirWyeth, on Flickr
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May 20, 2013 15:52
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bolind posted:
It's very quick, my biggest purchase criteria was low light focus due to how awful the 50mm canon variants are in those conditions, and it performs admirably.
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May 21, 2013 13:48
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Inf posted:I would think you would want to use a rectilinear lens for constructing 360 pano tours. The source imagery would be stitched together and projected onto a spherical or cylindrical panorama in post. Real fisheye lenses are great for stills and SKATEBOARDING VIDEOS but the inherent distortion would cause problems if you tried to use it as any kind of 3D projection. Almost all image based lighting panoramics for film (used for scene lighting reconstruction and environment mapping on materials) are done with an 8mm fisheye on a full frame camera with special panoramic heads (nodal ninja, et al) and then stitched using special software like PTGui.
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Oct 16, 2013 19:38
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