Nikon K Ring Set K mount adapter The Calumet Roll Holder C2

The Calumet Roll Holder C2 is a rollfilm back for 4x5 cameras designed to slip in front of the groundglass like a sheet film holder- unlike most rollfilm backs that require partial disassembly

and ease of handling makes this camera uniquely suited to street and on-the-go travel shooting- and the superb lens and large image format ensure that your pictures will look as good as they can

It's designed to hold a 4x5 camera

thick playing cards

Includes two plates

Nikon K Ring Set K mount adapter The Calumet Roll Holder C2The Nikon K ring set is a stack of tubes and adapters that gives you the opportunity for all sorts of F mount shenanigans. The set includes the K1, which is a short F to F extension tube; the K2, with a lens side F mount and an inner 52mm thread; the K3, with a 52mm outer thread on one end and a camera side F mount on the other; and two 52mm threaded extension tubes. In its simplest form, it's an adjustable extension tube, but there are enough odd