Some of these secondary processors are also based on the ARM architecture, but many of them are not.ĪRM Limited doesn't sell hardware, but develops and sells/licenses processor designs to other companies.
We consider this processor to be the most important one (main CPU), and that's where Magic Lantern code actually runs, alongside Canon's own firmware.Ĭanon cameras contain several other secondary processors, but we don't reprogram them (at least, not for the time being). 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)
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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.
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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.