Anyone used one of this 4-frame rotate adapter for Hasselblad V-magazines?
http://www.ebay.com/itm/Rotate-adapter-Hasselblad-V-back-For-Linhof-4x5/171499577734?_trksid=p2047675.c100011.m1850&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D26943%26meid%3Dd898adb3d85840cda0e03b3f12c3ffeb%26pid%3D100011%26prg%3D11184%26rk%3D1%26rkt%3D10%26sd%3D131294564673&tfrom=131294564673&tpos=unknow&ttype=price&talgo=origal

The idea is hot since epson has two new scanners 800/850 for improved scanquality.
This one is a possibility:
http://www.multistitch.com/about/
but it lacks the important groundglass.
Its possible they have such one.