(my fault that the Sigma shot angle was off a bit) Vertical framing: Sigma 10-20 DA 10-17 FE Rokinon 8 FE The Sigma is softest and has some moustache distortion at 10mm. The DA10-17 has the most chromatic aberration. Rokinon 8, DA10-17 FE Sigma - This comparison highlights a few things that are consistent. Indoor shots were w/ tripod, timed shutter (except for stairway shot) outdoors all handheld I'll compare color, contrast, sharpness, etc. For now, I was mainly interested in seeing if the DA 10-17 FE can be used to render satisfactory rectilinear views. In the comparisons that follow, I am only looking at perspective and field of view. I found a used-but-like-new DA 10-17 FE at a good price, and I've been testing it in comparison with the Rokinon 8mm FE and the Sigma 10-20 f4.5-5.6. Even at 10mm and more so at 17mm, those kind of landscape shots look quite natural. DA 10-17 FE and Sigma 8-16 and DA 12-24: This is the comparison that convinced me to give the DA 10-17 FE a shot.Fisheye Face-off: Pentax 10-17mm vs Samyang/Rokinon 8mm: Lots of good comments here and links to more.Samyang 8mm FE and DA 10-17 FE comparison: I agree for the most part with the conclusions here, but I find the resolutions to be harder to compare since it depends so much on where in the frame one is looking.As is noted in the reviews, it's always possible to defish, and the lens is not particularly fishy from 13-17mm. I ended up focusing on the DA 10-17 FE, but I was wondering if this would do what I want, particularly as regards distortion. They each have their benefits, but they also didn't quite fit my needs being not wide enough, too big, or too expensive. (As far under $300 as possible!) I looked at quite a few options: the DA 15 certainly looks desirable as does the DA 12-24 and Sigma 8-16. So, especially for travelling, I started looking around for something smaller and that was in my price range. The primary critiques I've had of the Sigma and Rokinon are that they are both rather large lenses, and my Sigma tends to be a bit soft at the 10mm end. I will note that my Rokinon 8mm FE is remarkably sharp. Both of them can deliver some excellent quality photos. (One version of the Bower, Samyang, Vivitar one.) It actually has proven to be quite useful in addition to being fun. (For landscapes, it works best where there are 'big' features like mountains or beautiful cloud-filled skies.) More for fun than anything, I later picked up a Rokinon 8mm Fisheye. I've mainly used it for interiors, exteriors in close quarters, and some landscapes. ![]() ![]() I have had a Sigma 10-20 f4.5-5.6 for a while which I've used for ultrawide angle shots.
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