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<blockquote data-quote="BackdoorArts" data-source="post: 544636" data-attributes="member: 9240">I don't buy this level of disdain.&nbsp; As a Nikon shooter you're handcuffed to a single AF Fine Tune point on any lens and you deal with it.&nbsp; IOW you blindly accept the way every zoom varies its focus and simply tune it to one spot and shoot.&nbsp; Sigma gives you the opportunity to tailor your zooms to 16 points throughout their range.&nbsp; Yes, this can only make it &quot;perfect&quot; on only one camera at a time, but if you use multiple bodies, especially similar bodies, you can also choose to adjust it so that it focuses more accurately on all bodies by profiling each of them across 16 focus points and choosing a set of adjustments that may not be perfect on any one body but it's still an across the focal length improvement one every body compared to a lens straight out of the box.&nbsp; People pay more for focus calibration software than for the dock. You're spitting sour grapes.</blockquote>

[QUOTE="BackdoorArts, post: 544636, member: 9240"] I don't buy this level of disdain. As a Nikon shooter you're handcuffed to a single AF Fine Tune point on [I]any lens[/I] and you deal with it. IOW you blindly accept the way every zoom varies its focus and simply tune it to one spot and shoot. Sigma gives you the opportunity to tailor your zooms to 16 points throughout their range. Yes, this can only make it "perfect" on only one camera at a time, but if you use multiple bodies, especially similar bodies, you can also choose to adjust it so that it [B][I]focuses more accurately on[/I][/B] [B][I]all[/I][/B][I][B] bodies[/B][/I] by profiling each of them [I]across 16 focus points[/I] and choosing a set of adjustments that may not be perfect on any one body but it's still an across the focal length improvement one [I]every body[/I] compared to a lens straight out of the box. People pay more for focus calibration software than for the dock. You're spitting sour grapes. [/QUOTE]

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