Platinum / Palladium (Pl/Pt) is a non-silver printing process, and has long history way back in 18th. Since Platinum / Palladium print making is a contact printing process, it requires the negative used for contact printing same size as the print itself. Before the digital negative was available, photographer will need large format camera to capture image. A 8 x 10 inches negative was required to make the 8 x 10 inches photo. With the digital inkjet printer nowadays, photographers can capture image with high resolution digital camera and send the image to the printer to print a digital negative.
Recently we have made several images this alternative photographic print process and written up an easy to read featured article for those are interested in conventional photography in additional to silver halide process in the darkroom.