Pues si teneis alguna camara de las soportadas por el firmware podeis ampliar sus posibilidades enormemente:

http://www.hackaday.com/2008/05/27/h...era-with-chdk/

camaras soportadas sacado de pagina principal: http://chdk.wikia.com/wiki/Main_Page

* A450, Fw: 1.00d
* A460, Fw: 1.00d
* A530, Fw: 1.00a
* A540, Fw: 1.00b
* A550, Fw: 1.00c
* A560, Fw: 1.00a
* A570, Fw: 1.00e, 1.01a
* A610, Fw: 1.00e, 1.00f, (1.00d with CHDK version for 1.00e)
* A620, Fw: 1.00f ( 1.00e is not compatible. You must upgrade to 1.00f first (see here))
* A630, Fw: 1.00c
* A640, Fw: 1.00b
* A650 IS, Fw: 1.00d
* A700, Fw: 1.00b
* A710 IS, Fw: 1.00a
* A720 IS, Fw: 1.00c
* S2 IS, Fw: 1.00e, 1.00f, 1.00g, (1.00i with CHDK version for 1.00g)
* S3 IS, Fw: 1.00a
* S5 IS, Fw: 1.01a 1.01b
* G7, Fw: 1.00e, 1.00g, 1.00i, 1.00j
* SD450 (IXUS55), Fw: 1.00b, 1.00c, 1.00d
* SD500 (IXUS700), Fw: 1.01a, 1.01b
* SD630 (IXUS65), Fw: 1.00a
* SD700 (IXUS800), Fw: 1.00b, 1.01b, (1.01a with CHDK version for 1.01b)
* SD750 (IXUS75), Fw: 1.01a, (1.01b with CHDK version for 1.01a)
* SD800 (IXUS850), Fw: 1.00e, (1.00d with CHDK version for 1.00e)
* SD850 (IXUS950), Fw: 1.00c
* SD870 (IXUS860), Fw: 1.00c
* SD1000 (IXUS70), Fw: 1.01b, 1.02a, (1.01a with CHDK version for 1.01b)
* TX-1, Fw: 1.00g, 1.01b