nikonian

I bought a cheapo one from ebay China for fun ( on my Nikon D50 ) and well… it does have a split screen, but exposure is altered ( since meter sensor is behind the screen ), it's a bit off the centre ( not matching with the markings of circle/focusing point ) and it's not quite accurate at focusing point.  So, depends on how serious you need it for.

Most ppl will recommend Katz for the screen, despite the price ( US$100 for 400D ):

http://www.katzeyeoptics.com/ite ... een--prod_400D.html