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Calibrating Autofocus on Sigma 150-600 Contemporary
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<blockquote data-quote="Ad B" data-source="post: 671189" data-attributes="member: 37491"><p>Hi,</p><p></p><p>I calibrate my D850 withthe Sigma 150-600 C, with a combination of the green dot method and making test pics.</p><p>At 150, 250, 400 and 600 mm. At distances of 2.8, 6, 15 meter and infinity.</p><p>16 test situations, each test situation I calibrate in the camera with AF Fine Tune.</p><p>I write down these correction numbers.</p><p>At the end, I set the AF fine tune in the camera at 0 and through the USB dock, I set the 16 correction numbers in the lens.</p><p>In this way (this is a old screen print with my former D750):</p><p><img src="https://farm4.staticflickr.com/3834/19080564215_6b9112f170_b.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p>Quite time consuming but if you want your AF as perfect as possible...</p><p>I think it will work a bit in the same way if you want to use Reikan Focal software.</p><p>Maybe a bit faster, but you still have to do 16 tests.</p><p></p><p>In this way I also have a Tamron 24-70 F2.8 G2...</p><p>Able to fine tune in the lens at 12 places...</p></blockquote><p></p>
[QUOTE="Ad B, post: 671189, member: 37491"] Hi, I calibrate my D850 withthe Sigma 150-600 C, with a combination of the green dot method and making test pics. At 150, 250, 400 and 600 mm. At distances of 2.8, 6, 15 meter and infinity. 16 test situations, each test situation I calibrate in the camera with AF Fine Tune. I write down these correction numbers. At the end, I set the AF fine tune in the camera at 0 and through the USB dock, I set the 16 correction numbers in the lens. In this way (this is a old screen print with my former D750): [IMG]https://farm4.staticflickr.com/3834/19080564215_6b9112f170_b.jpg[/IMG] Quite time consuming but if you want your AF as perfect as possible... I think it will work a bit in the same way if you want to use Reikan Focal software. Maybe a bit faster, but you still have to do 16 tests. In this way I also have a Tamron 24-70 F2.8 G2... Able to fine tune in the lens at 12 places... [/QUOTE]
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Calibrating Autofocus on Sigma 150-600 Contemporary
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