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Advice please on the 24-70....
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<blockquote data-quote="WayneF" data-source="post: 492955" data-attributes="member: 12496"><p>I'd agree, it obviously seems a worthy competitor and hard to beat on price. I suspect nobody doesn't like it. I suspect either will do any job well.</p><p></p><p>Price definitely is a major factor, some are not into it enough to ever have either lens. And extra price normally does suffer diminishing returns, but some are always interested in greatest returns.</p><p></p><p>Just numbers, but almost all of the Photozone numbers are in fact better for the Nikon. I doubt either is actually accurate. Certainly it does not mean the Tamron is not a worthwhile bargain.</p><p></p><p>Even your own link (Lens Comparison page) says:</p><p></p><p>The Tamron 24-70mm shows impressive performance at the shortest focal length of 24mm. It has excellent sharpness across the frame and it clearly beats the Nikon 24-70mm at all apertures. However, as the Nikon 24-70mm is zoomed in beyond 24mm, it produces better resolution across the frame. While Tamron starts out strong at the shortest focal length and weakens towards the telephoto range, the Nikon shows a completely reverse picture.<strong> Except for 24mm, the Nikon is clearly better, </strong> especially when stopped down to f/5.6-f/8. It also produces smoother bokeh and has a little less vignetting problems to deal with. At the same time, the Nikon 24-70mm suffers from heavier distortion issues (stronger barrel distortion at 24mm and pincushion distortion at all other focal lengths)</p><p></p><p></p><p>However, their wording is strangely strong, even for their own data... </p><p> According to Photozone, the Nikon is better, and even at the problem 24mm, they compare this way:</p><p></p><p><img src="http://www.scantips.com/g2/2lens.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Probably more equal than not there, but I see an edge for Nikon there too. In the numbers.... which are just numbers, always suspect, probably cannot be duplicated in either case. What we need is both lenses to go take actual pictures with. We need to see OUR pictures, we'll know what we like. </p><p></p><p></p><p>Likewise, their statement about distortion, instead Photozone says Nikon is better (by good margin) at 24 and 70mm, but not at 40mm.</p><p></p><p>Who're you gonna believe? <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> I think we cannot be too concerned with numbers on the internet.</p></blockquote><p></p>
[QUOTE="WayneF, post: 492955, member: 12496"] I'd agree, it obviously seems a worthy competitor and hard to beat on price. I suspect nobody doesn't like it. I suspect either will do any job well. Price definitely is a major factor, some are not into it enough to ever have either lens. And extra price normally does suffer diminishing returns, but some are always interested in greatest returns. Just numbers, but almost all of the Photozone numbers are in fact better for the Nikon. I doubt either is actually accurate. Certainly it does not mean the Tamron is not a worthwhile bargain. Even your own link (Lens Comparison page) says: The Tamron 24-70mm shows impressive performance at the shortest focal length of 24mm. It has excellent sharpness across the frame and it clearly beats the Nikon 24-70mm at all apertures. However, as the Nikon 24-70mm is zoomed in beyond 24mm, it produces better resolution across the frame. While Tamron starts out strong at the shortest focal length and weakens towards the telephoto range, the Nikon shows a completely reverse picture.[B] Except for 24mm, the Nikon is clearly better, [/B] especially when stopped down to f/5.6-f/8. It also produces smoother bokeh and has a little less vignetting problems to deal with. At the same time, the Nikon 24-70mm suffers from heavier distortion issues (stronger barrel distortion at 24mm and pincushion distortion at all other focal lengths) However, their wording is strangely strong, even for their own data... According to Photozone, the Nikon is better, and even at the problem 24mm, they compare this way: [IMG]http://www.scantips.com/g2/2lens.gif[/IMG] Probably more equal than not there, but I see an edge for Nikon there too. In the numbers.... which are just numbers, always suspect, probably cannot be duplicated in either case. What we need is both lenses to go take actual pictures with. We need to see OUR pictures, we'll know what we like. Likewise, their statement about distortion, instead Photozone says Nikon is better (by good margin) at 24 and 70mm, but not at 40mm. Who're you gonna believe? :) I think we cannot be too concerned with numbers on the internet. [/QUOTE]
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