John DiMartino, Jr. is a wet plate collodion photographer and educator based in the Hudson Valley region of New York State. He has been shooting 35mm and medium format film (both color and black & white), as well as polaroids, for many years. Now he is focused on the historical process of wet plate collodion photography. He makes ambrotypes, glass plate negatives and authentic ferrotypes (or tinypes), thin mild steel plates that have a black lacquer (referred to as black japan) baked onto the surface.
