Nikon 24-70 lens uv mirror size

Nikon 24-70 lens needs to use 82mm UV mirror.

UV mirror, also called ultraviolet filter, is a kind of filter used in digital cameras, which plays a role in protecting the lens and improving the image quality. UV mirrors are usually colorless and transparent, and some will appear purple or purplish red at a specific angle because of antireflection films. UV mirrors have been widely popular in the film age. At that time, people used it because film imaging would be affected by ultraviolet rays, so people used it to reduce or block ultraviolet rays from entering the camera. This is the initial function of the UV mirror.