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Some Canon cameras can be hacked with a tool called the Canon Hack Development Kit (, which does interesting things like add manual controls and allow scripting. Do similar tools exist for other brands of cameras? HP cameras, in particular?

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Does CHDK work on Canon DSLRs or just P&S? I thought it was the latter. – Reid Jul 16 '10 at 13:42
Seems to just be the point-and-shoots; however, on a DSLR, you already have good manual controls, so it's not as useful. – snostorm Jul 16 '10 at 14:02
An example would be: on my Nikon D90, button remapping is possible, but extremely limited. Hacking could increase this flexibility. – Reid Jul 16 '10 at 15:31
Don't forget that a few (four, I think) Canon DSLRs also have Magic Lantern, which is in much the same spirit as CHDK. – nchpmn Apr 10 '11 at 22:31
up vote 5 down vote accepted

The chdk project is the only one I've heard of.

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There is an ongoing project to analyse and de-encrypt the firmware of Pentax DSLRs:- Pentax Hack

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There is an ongoing project to analyse and decrypt the firmware of a range of Nikon cameras: Official Nikon Hacks (d7000, D3100, D5100, V1, J1) and Nikon Tool development topic

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