There are all the Gossen meter instruction books on this site http://www.butkus.org/chinon/flashes_meters.htm
the SBC denotes that it uses a Silicon Blue Cell,(not a Cds Cadmium Sulphide one) that is more sensitive, and has a better spectral response.
I would recommend you look for a Lunapro SBC it uses a PP3 9volt battery you can get anywhere, I've used one for more than twenty years,and it's a first class meter. I have owned a Gossen Lunalite, and Lunasix in the past, but because of it's null method reading dial I find this one the best to use.
Last edited by benjiboy; 10-18-2008 at 06:16 AM. Click to view previous post history.