If you're feeling brave, you can find details on how to install the software here.ĭual ISO works for both stills and movies on the EOS 5D Mark III and for stills only on the EOS 7D. Vertical resolution is reduced by half and there's more moiré and aliasing in over and underexposed areas. The author also warns that since this software modifies the sensor's operation, you could end up frying your camera. When they are combined, you get relatively noise-free shadows without blowing highlights.Īccording to Magic Lantern, there are some downsides to using the Dual ISO firmware, though. The low sensitivity rows capture highlight detail, while the high ISO rows capture shadow detail. Their latest creation - called Dual ISO - dramatically increases the dynamic range of the 5D Mark III and EOS 7D by four stops, bringing the total dynamic range to 14EV. This allows you to pull detail out of the shadows with a lot less noise than with the 'stock' firmware. The technical details are complex, but simply put, it works by interlacing two rows of pixels captured at ISO 100 with two rows taken at a higher sensitivity (usually ISO 1600). If this does, in fact, block Magic Lantern, could this trigger a mass exodus of video people from the Canon system (those that already didn’t jump ship, of course)? Also, new 5D Mark III bodies are apparently ALREADY shipping with this firmware, so it’s too late to get one without it unless you buy used.The folks at Magic Lantern are no stranger to adding new features to Canon DSLRs, courtesy of their EOS Camera Tool software.
It will be interesting to see how this all pans out. It is not super surprising that Canon doesn’t want people messing around in their firmware and running cod, ML, on their cameras… but their lack of enthusiasm for enforcing this over the years, and their praising of content produced using this ‘hack’ makes for very mixed messages from Canon.
Apparently the new firmware also blocks users from downgrading to an older firmware. ML being blocked? Just load an older firmware, right? Wrong. If this rumor, which is all it is at this point, is correct, than this is a very strange move on Canon’s part. So far, not much is known about this firmware update, other than that it is version 1.3.3, but an interesting note is that apparently the upcoming firmware contains some code that blocks Magic Lantern.
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