I bought "Groovy CAMI30 NightVision2" in Akihabara.
This webcamera uses OmmVision OV7660 CMOS sensor and sonix SN9C201 video processer.
This camera working web camera on ubuntu 7.04 & 8.04
sudo apt-get install git-core git clone git://repo.or.cz/microdia.git make sudo insmod microdia.ko
sudo apt-get install xawtv xawtv
sudo modprobe videodev
sudo dpkg -i sn9cxxx_2.13-1ubuntu1_i386.deb
sudo insmod sn9cxxx.ko
sudo apt-get install gqcam gqcam -v /dev/video0
work group
https://groups.google.com/group/microdia
git web
http://repo.or.cz/w/microdia.git
どうやらmacrodiaの製品はlinuxのdriverがすくないみたい