IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. part 4: 1 1/2 in x 1 1/4 in; 3.81 cm ...

From time to time, polarizing, neutral density (ND), or other filters all need to be screwed onto a lens barrel. One common trait of the screw threads on lenses is that they are a pain to work with, ...

NiSi makes one of my favorite photographic accessories, namely the immaculately engineered NiSi NM-200s Macro Focusing Rail. The company also has various other product lines but is perhaps better ...