This sale is for a really excellent condition A4 grid Beattie Intenscreen for any Mamiya RB67 camera.
This much sought after screen comes with its original box. It has just a few very fine scratches, barely visible in viewfinder, but there is obvious brassing on the pressure springs. A really nice screen.
It gives around 2 to 2.5 extra f stops of brightness in the viewfinder, and this plus the grid is perfect for any architectural / technical photography. You can find loads of information about Beattie screens in the Downloads/Miscellaneous section on my website. It will be very securely packed for shipping.