This is how CHDK started
Last Update: August 14, 2007 - V.148
Can Do: The standard CHDK features:
Shooting in RAW
Live histogram (RGB, blended, luminance and for each RGB channel)
Zebra mode (blinking highlights and shadows)
DOF-calculator
Battery indicator
Scripts execution (exposure/focus/... bracketing, intervalometer and more)
File browser
Text reader
Calendar
Some fun tools and games
Autobooting
All sorts of useful informations on screen about the camera's parameters and clock
Switchable noise reduction
available for these models:A610 fw v1.00e
A610 fw v1.00f
A620 fw v1.00f
A630 fw v1.00c
A640 fw v1.00b
A700 fw v1.00b
A710 fw v1.00a
S2 IS fw v1.00e
S2 IS fw v1.00f
S2 IS fw v1.00g
S3 IS fw v1.00a
Download:http://grandag.nm.ru/hdk/