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<blockquote data-quote="Horoscope Fish" data-source="post: 255735" data-attributes="member: 13090">Okay that shot looks pretty darn sharp to me and yes, front focusing and back focusing are just what they sound like; the point of sharp focus is in front of, or behind, the focus point used in the viewfinder. Looking at this shot I agree in that you might, possibly, need to do a minor adjustment to your auto-focus for this lens. Maybe. The D7100 has a AF Fine Tune function in the Setup (Wrench icon) menu. This would be a VERY minor adjustment, however, and would not account for the fuzzy shots you posted earlier. The above shot, while it MAY show some slight front-focus, is still very sharp overall.EDIT: You also have a big dust particle on your sensor, I think. Look straight up from the &quot;17&quot;; see that dark circle? That's a speck of who-knows-what on your sensor......</blockquote>

[QUOTE="Horoscope Fish, post: 255735, member: 13090"] Okay that shot looks pretty darn sharp to me and yes, front focusing and back focusing are just what they sound like; the point of sharp focus is in front of, or behind, the focus point used in the viewfinder. Looking at this shot I agree in that you might, possibly, need to do a minor adjustment to your auto-focus for this lens. Maybe. The D7100 has a AF Fine Tune function in the Setup (Wrench icon) menu. This would be a VERY minor adjustment, however, and would not account for the fuzzy shots you posted earlier. The above shot, while it MAY show some slight front-focus, is still very sharp overall. [B]EDIT:[/B] You also have a big dust particle on your sensor, I think. Look straight up from the "17"; see that dark circle? That's a speck of who-knows-what on your sensor. [COLOR=#ffffff].....[/COLOR] [/QUOTE]

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