sac 8?

I just recieved a supposedly "SAC8" imageing camara from a fellow Astromart user. However, it doesn't look anything like what is shown on their webpage. It is much larger than the Sac7b that I have. It is approximatly 4 inches in diamater and is in a black enclosure with a fan mounted on the rear. It also has an external box measuring approx. 4X6 inches with various in and out ports and cables and has a gain control knob. Is this for real,a prototype, or have I been ripped off? I haven't been able to test it sinse my laptop is broken and I am awaiting a new one. Any help with info would be appreciated at this late hour.

Hi George,
See my reply to you in the equipment forum.

John
http://www.geocities.com/myastrostuff/