[keitaro]

Originally Posted by Senna4ever

It's called the X-Rite ColorChecker Passport.

http://www.xritephoto.com/ph_product...257&tab=videos

http://www.luminous-landscape.com/re...psssport.shtml

http://modifiedphoto.wordpress.com/2...st-and-review/

those were good reads.

So every time you shoot you have to create a new profile? Lighting conditions are never the same?

Also one of the articles mentioned that it's only good for 2 years? How can that be? its stored in a case, and it depends on how much you use it as well.