HuaBen Tech company's CCTV Cameras adopt real Sony solution. From 2009years, Sony company sells Effio DSP, but not all suppliers like to use it because high cost for new technical. And why Effio is so pupular from 2011 until now?
We know the earth quake of Japan effecting all of the world, the sony chipset price is growing up very fast.
And EFFIO have some stocks in that time, so that EFFIO is popular now, and lots of suppliers start to sell high TV Lines,over 600TVL.

EFFIO increases and improves quality of the image, high SNR, high color reducibility for CCTV Camera.
souce:http://www.huabentech.com/news_show-What-is-Sony-Effio-Camera-0-82.html