I am going to be the forth member. Do not want to deal with film, so can someone tell me if it is possible to attach a Hasselblad H4 digital back through some sliding adapter?
Welcome to APUG, although I need to warn you that saying that you "Do not want to deal with film" is not going to get you far here
“Photography is a complex and fluid medium, and its many factors are not applied in simple sequence. Rather, the process may be likened to the art of the juggler in keeping many balls in the air at one time!”
Ansel Adams, from the introduction to The Negative - The New Ansel Adams Photography Series / Book 2