Originally Posted by madbrain
I agree. They should come up with an upgrade to the K20D that uses AAs. I might buy one then.
Like
this?
As far as I know the bottom of the K10D and K20D are the same.. At least, the same official Pentax battery grip fits both cameras, so this should too.
On ebay
You'd have to get the AA battery holders for it from somewhere though.. Maybe ask the same seller..