Ian Gillett , Apr 19, 2005; 03:32 a.m.
What about the one Mamiya make themselves? Mamiya.co.uk has a special offer on them new for 664 UK pounds - around half normal price. You need to use short-barrel lens (75 mm and 180 mm) to be able to focus at infinity. I have no experience of using them so do not know what they are like.