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Dual Pixel RAW is a Canon capture mode that records each pixel’s left and right photodiode data separately, storing approximately twice the file size of a standard RAW. The primary advertised use — bokeh shift, ghost reduction — is marginal in most practical …
Hyperfocal distance is the closest focus distance at which depth of field extends to infinity. Focus the lens there, and everything from …
Every lens on every sensor has a diffraction limit — the aperture beyond which stopping down no longer increases sharpness but instead …
When photographers talk about a lens being “sharp,” they are usually compressing a surprisingly complex optical conversation into a single …