The Padcaster iPad case is a rugged case that allows you to connect a DSLR lens your iPad’s camera and mount the tablet on a standing tripod. the case will also allow you to add a flash and other accessories (such as an external microphone or a filter).
The Padcaster iPad Case is available for $200 and will also require a Lenscaster mount for about $80. You can purchase this case from here
Check out the video below of the Padcaster iPad case in action: