What is blacksmith uv?

Refers to Tiffen brand UV filters.

Tiffen UV refers to the UV filter (UVFilter) of the Tiffen brand. Blacksmith is a well-known manufacturer of photographic filters whose products are widely used in digital cameras and photography. The Blacksmith UV filter has the function of filtering ultraviolet rays, which can improve the picture quality and protect the camera lens. Using the Blacksmith UV filter can reduce the impact of ultraviolet rays, avoid color deviation and halo phenomena, and also protect the lens and extend its service life. If you need to reduce the interference of ultraviolet rays during photography, the Blacksmith UV filter is a good choice.