Mamiya is planning to release a user-replaceable filter for the image sensor of the Mamiya ZD digital back that will enable it to be used for infrared photography. IR Photo Filter YD401, which installs in place of the standard IR Cut Filter YB401 that comes with the back, is to land on dealer shelves in mid-February 2008 in the U.S. at a street price of US$424.

More...