This microprocessor runs a piece of software developed by Canon and called Firmware, which controls a large part of camera functionality. The Digic chip inside your camera contains a microprocessor based on the ARM architecture. → Simulation: 1x3 "column binning" vs 3x1 "line skipping" vs 3x3 binning/skipping ARM (architecture) That is, it won't match a native 5K (full resolution) image, but it will be much better than a native 1080p recording from the same camera. Nowadays, 1×3 footage will normally be upscaled during post-processing, i.e resolution 1736×2214 → 5208×2214, although the image quality will not match a full-resolution 1:1 readout. Oversampling, i.e resolution 1736×2214 → 1736×738, was a good way to get rid of most Dual ISO interpolation artifacts. Early tests using 1×3 binning footage were done by oversampling the footage vertically, mainly applied on Dual ISO movie recordings. Why film like this? To some users, 1×3 binning is seen as the perfect compromise, making it possible to achieve an almost aliasing-free image on cameras that normally use 3×3 pixel binning with line skipping for 1080p video (that is, on cameras plagued by aliasing, moiré and false detail issues).ġ×3 binning requires a lower data rate, compared to the so-called 1:1 crop mode, allowing for greater resolutions. As such, some users prefer to name their presets strictly using the term “1×3 binning”, to avoid confusion with anamorphic optics. Since we are working with spherical lenses, the anamorphic optical characteristic artifacts - such as lens flare or cylindrical perspective - will not apply here. No special lens is however required, but footage needs correction (de-squeeze) in post in order to look normal again. The term “anamorphic”, when used in a Magic Lantern context, often refers to the 1×3 pixel binning setting applied during the image readout, which stretches pixels in a way that very much resembles the use of an anamorphic lens.
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