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Autofocus AF-S Accuracy: Ad-Hoc Field Shooting

Go for a walk. Shoot selectively with autofocus in AF-S mode set to AF-S priority selection = Focus.

Accurate autofocus with fast lenses in particular cannot be assumed with any camera, not Nikon, not Canon, and as this page will show, not the D800.

AF fine focus adjust

Many DSLRs from Canon and Nikon now have an “AF fine focus adjust” feature that can provide some benefits in centering the focus to be highly accurate on average.

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Since 2006, Diglloyd Advanced Photography is the authoritative review and reference for DSLRs and their lenses: Canon and Nikon primarily, but also Pentax and some medium format. Reviews of key DSLRs are included, but the primary focus is on lens performance. Also included is a wealth of technique and workflow approaches.

DAP includes thousands of pages of exclusive coverage and high resolution Retina-grade examples detailing Canon and Nikon DSLR bodies and their lenses, with in-depth analysis of sharpness and contrast, color, bokeh, vignetting, distortion, MTF, and flare, behavioral and practical usage.

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