Why Stock Photos?
The short answer is that we use stock photos on some listings to save us time and to save you money. The longer answer is that we love to take photos of each and every lens, camera, and accessory, but doing so takes a lot of time and makes it difficult to get everything listed. So, we decided to compromise: take gorgeous photos of some things and charge a little more for them, and use stock photos for other items and charge a little less for those, all else equal.
The items listed here were tested thoroughly by our trained technicians. If they observed any significant flaws, you’ll see them detailed above. If the items listed here are exceptionally awesome, you’ll see that noted above too. Regardless, please remember this is a used item and it’s bound to have at least a microscopic imperfection.
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Sigma 8mm f/3.5 DG Fisheye for Canon
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The Sigma 8mm f/3.5 DG Fisheye for Canon
The Sigma 8mm f/3.5 EX DG Fisheye is a specialty lens that provides a complete 180° field of view on full-frame Canon DSLRs. Key features include:
Circular Fisheye. If you’re looking for a full circular image shooting with a Canon 1DX/5D Mark III/5D Mark II/6D, this is the lens you want. When used on a crop-sensor camera like the Canon 70D/60D/7D/T5i, it provides a partial circle.Specific Use. The Sigma 8mm gives interesting (bizarre, some say) effects and is sometimes used for scientific applications because it provides a consistent angle throughout its 180° field of view. Well, it could be used for scientific purposes, but mostly it’s used to create weird "cow’s eye view" scenics: think about it--you take a picture, turn around and take another picture, and now you’ve got a 360° panorama. This is not simply an ultra-wide angle lens. Circular fisheye means the image is a circle in the center of your frame; it does not cover the entire frame. If you’re not looking for a full-circular image, please don’t buy it. You’ll be unhappy.
Full disclosure here: I’m not a fan of the fisheye look, especially the full-circle fisheye look (if you don’t understand what a full-circle fisheye is, it gives you a circular image in the center of your rectangular picture, with black edges all around it). But I will say this is a sharp lens with a huge depth of field. And the images are incredibly panoramic when "de-fished" in software, which is what I do with them mostly. The depth of field makes autofocusing almost unnecessary, and the image is very sharp in the center (not so much on the edges, especially after software de-fishing, if that’s what you choose to do). There’s some chromatic aberration and edge vignetting to deal with in software also.
I guess you can tell I’m not overly enthusiastic. To me, circular fisheye lenses are the asparagus of photography. Some people have acquired the taste. I’d rather go hungry.
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