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Examples — Downsampling to Competing Sizes

Let’s take a look at effective ISO ~1100 when downsampled. Here are three other camera resolutions, width in pixels:

Never look at actual pixels quality without considering the context, e.g., the total number of pixels.

A higher sampling frequency is always better, everything else being commensurate; this can reduce digital artifacts by sampling at a higher frequency, then downsampling to an output resolution. This is why the future holds in store a ~100+ megapixel DSLR as a great way to produce 50 megapixel images.

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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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