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Does wider zoom range mean lower image quality?
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<blockquote data-quote="Snowcat" data-source="post: 644203" data-attributes="member: 44121"><p>lokatz, here is my test album made with SONY A77II and Tamron 16-300. <a href="http://www.alphatraveller.org/gallery/index.php?/category/82" target="_blank">Photographic tests / Tamron 16-300/3.5-6.3 | Alphatraveller photo gallery</a></p><p>I find it's performance to be really impressive for such a large zoom range. </p><p></p><p>Isn't this an impressive IQ for an ultra zoom lens?</p><p><a href="http://www.alphatraveller.org/gallery/picture.php?/5450/category/90" target="_blank"><img src="http://www.alphatraveller.org/gallery/i.php?/upload/2014/11/19/20141119165304-ef1dbb5f-xl.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p>Now, sigma 18-300C.</p><p></p><p><a href="http://www.alphatraveller.org/gallery/picture.php?/11609/category/163" target="_blank"><img src="http://www.alphatraveller.org/gallery/i.php?/upload/2017/10/08/20171008225650-c4708ec6-xl.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p><a href="http://www.alphatraveller.org/gallery/picture.php?/11630/category/163" target="_blank"><img src="http://www.alphatraveller.org/gallery/i.php?/upload/2017/10/08/20171008225909-3bf49a34-xl.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p><a href="http://www.alphatraveller.org/gallery/picture.php?/11641/category/163" target="_blank"><img src="http://www.alphatraveller.org/gallery/i.php?/upload/2017/10/08/20171008230039-144ab929-xl.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p>This IQ is much much better then was possible for ANY 18-250, 18-270 or 18-200 lens. Even most of 18-125 and 18-135 are worse then this. I really don't care about ratings, I care about what quality I can get out of a lens in certain conditions. N Of course, Sigma 50-100 has 1000 times better IQ then these ultrzooms, but it's a different league lens. In one league (for example walkaround lenses) there is no rule that the bigger zoom range means less quality. Not anymore at least.</p></blockquote><p></p>
[QUOTE="Snowcat, post: 644203, member: 44121"] lokatz, here is my test album made with SONY A77II and Tamron 16-300. [url=http://www.alphatraveller.org/gallery/index.php?/category/82]Photographic tests / Tamron 16-300/3.5-6.3 | Alphatraveller photo gallery[/url] I find it's performance to be really impressive for such a large zoom range. Isn't this an impressive IQ for an ultra zoom lens? [url=http://www.alphatraveller.org/gallery/picture.php?/5450/category/90][img]http://www.alphatraveller.org/gallery/i.php?/upload/2014/11/19/20141119165304-ef1dbb5f-xl.jpg[/img][/url] Now, sigma 18-300C. [url=http://www.alphatraveller.org/gallery/picture.php?/11609/category/163][img]http://www.alphatraveller.org/gallery/i.php?/upload/2017/10/08/20171008225650-c4708ec6-xl.jpg[/img][/url] [url=http://www.alphatraveller.org/gallery/picture.php?/11630/category/163][img]http://www.alphatraveller.org/gallery/i.php?/upload/2017/10/08/20171008225909-3bf49a34-xl.jpg[/img][/url] [url=http://www.alphatraveller.org/gallery/picture.php?/11641/category/163][img]http://www.alphatraveller.org/gallery/i.php?/upload/2017/10/08/20171008230039-144ab929-xl.jpg[/img][/url] This IQ is much much better then was possible for ANY 18-250, 18-270 or 18-200 lens. Even most of 18-125 and 18-135 are worse then this. I really don't care about ratings, I care about what quality I can get out of a lens in certain conditions. N Of course, Sigma 50-100 has 1000 times better IQ then these ultrzooms, but it's a different league lens. In one league (for example walkaround lenses) there is no rule that the bigger zoom range means less quality. Not anymore at least. [/QUOTE]
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Does wider zoom range mean lower image quality?
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