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Imagery: Auto - Large Table of Contents


See also the examples on the Distortion and Flare and Comparison pages.

Sensor size

Some of the examples on this page were taken with the Canon EOS 1D Mark III, a 10.1-megapixel camera with a 1.3X field-of-view crop sensor ( 1.3X Sensor Crop ). Others were taken with the full-frame 21.1-megapixel Canon EOS 1Ds Mark III ( ).

Leaves in stream [Canon 1D Mark III] 1.3X Sensor Crop

Stopping down to f/11 or f/16 is needed to pull the corner sharpness into bounds due to curvature of field. Unfortunately, stopping down past f/8 drops image contrast just a bit, and this can be seen in the areas that are already optimal at f/8. See also Diffraction at diglloyd.com.

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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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AB comparison image
Aperture series 8, 11 available in full article

EOS 1D Mark III, ISO 50, 0.5 sec @ f/8 <=> f/11

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