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Sigma 50-100/1.8 Art
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<blockquote data-quote="Snowcat" data-source="post: 644196" data-attributes="member: 44121"><p>Ok, my brief review if Sigma 50-100.</p><p></p><p>The lens is built like a tank. Much metal, some plastic parts that look like metal. When it's new it looks tremendous. BUT some part of the lens are have some cover that is easily damaged. It's like a fog on the plastic surfaces, This "fog" is very easily can be damaged by your fingers from regular use or by anything else. The used lens will STILL look like a tank but like a tank that survived in several battles.</p><p></p><p>Ergonomics is extremely well thought out. At the beginning I was disappointed by the fact that I cannot remove the tripod collar. But that's not a problem. When you shoot with this heavy lens, you hold it with your left hand (I am talking about hand holding it or course). The weight of the lens is being held by your second finger of your left hand, the tripod collar is resting in the middle of your palm, letting it's muscles to be relaxed! Your first and third fingers of your left hand are naturally placed on the zoom ring and it can be turned from 50 to 100 smoothly and naturally! Really, I was surprised to see THAT cool ergonomics. I've spend two full days with a camera and this lens constantly in my hands, and that was not a torture, it was a pleasure. </p><p></p><p>Now, the picture.</p><p></p><p>Sharpness. It is SHARP. Sharp at the middle of the frame, at it's borders and in it's corners. EVERYWHERE. And on any f stop. Perhaps it is the shapest lens I have ever used and I used quite a lot of lenses... Including primes. For example Canon 200/1.8 is not even nearly as sharp even in the center of the frame at 1.8 as this Sigma.</p><p></p><p>While being extremely sharp, it;s picture is not... umm... harsh. It is... gentle (sorry, but I have to find English words for something that is not easily explained even in my native language <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> ). Example - Tamron 17-50 is quite sharp AND it gives too harsh picture... This Sigma sharpness is pleasant to see.</p><p></p><p>Bokeh is beautiful. Simply beautiful, one of the best bokeh if we talking about neutral bokeh lenses (I mean not like Trioplan's bubble bokeh). It is silky soft, with some aqua colors feeling. Not much but just right amount of it.</p><p></p><p>AF. Yep I've heard some stories, quite scary, about AF problems of this lens. My lens behaved perfect. In all zoom range in different light conditions, it was spot on every time. I am not saying the stories are not true. So if you can, check the lens before you buy it with your own body.</p><p></p><p>Ok I guess this is it. For me this is THE perfect lens. A zoom with speed of a prime and with IQ better then most primes give. I definitely recommend this lens to everybody who uses crop bodies.</p><p></p><p>Here is an album with photos shot with this lens (except the first 2 and the last 4) - <a href="http://www.alphatraveller.org/gallery/index.php?/category/164" target="_blank">China / Beijing, Daguanyuan, Badachu by Sigma 50-100 Art | Alphatraveller photo gallery</a></p></blockquote><p></p>
[QUOTE="Snowcat, post: 644196, member: 44121"] Ok, my brief review if Sigma 50-100. The lens is built like a tank. Much metal, some plastic parts that look like metal. When it's new it looks tremendous. BUT some part of the lens are have some cover that is easily damaged. It's like a fog on the plastic surfaces, This "fog" is very easily can be damaged by your fingers from regular use or by anything else. The used lens will STILL look like a tank but like a tank that survived in several battles. Ergonomics is extremely well thought out. At the beginning I was disappointed by the fact that I cannot remove the tripod collar. But that's not a problem. When you shoot with this heavy lens, you hold it with your left hand (I am talking about hand holding it or course). The weight of the lens is being held by your second finger of your left hand, the tripod collar is resting in the middle of your palm, letting it's muscles to be relaxed! Your first and third fingers of your left hand are naturally placed on the zoom ring and it can be turned from 50 to 100 smoothly and naturally! Really, I was surprised to see THAT cool ergonomics. I've spend two full days with a camera and this lens constantly in my hands, and that was not a torture, it was a pleasure. Now, the picture. Sharpness. It is SHARP. Sharp at the middle of the frame, at it's borders and in it's corners. EVERYWHERE. And on any f stop. Perhaps it is the shapest lens I have ever used and I used quite a lot of lenses... Including primes. For example Canon 200/1.8 is not even nearly as sharp even in the center of the frame at 1.8 as this Sigma. While being extremely sharp, it;s picture is not... umm... harsh. It is... gentle (sorry, but I have to find English words for something that is not easily explained even in my native language :) ). Example - Tamron 17-50 is quite sharp AND it gives too harsh picture... This Sigma sharpness is pleasant to see. Bokeh is beautiful. Simply beautiful, one of the best bokeh if we talking about neutral bokeh lenses (I mean not like Trioplan's bubble bokeh). It is silky soft, with some aqua colors feeling. Not much but just right amount of it. AF. Yep I've heard some stories, quite scary, about AF problems of this lens. My lens behaved perfect. In all zoom range in different light conditions, it was spot on every time. I am not saying the stories are not true. So if you can, check the lens before you buy it with your own body. Ok I guess this is it. For me this is THE perfect lens. A zoom with speed of a prime and with IQ better then most primes give. I definitely recommend this lens to everybody who uses crop bodies. Here is an album with photos shot with this lens (except the first 2 and the last 4) - [URL="http://www.alphatraveller.org/gallery/index.php?/category/164"]China / Beijing, Daguanyuan, Badachu by Sigma 50-100 Art | Alphatraveller photo gallery[/URL] [/QUOTE]
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