From Manufacturer
The 82mm Magnetic Neutral Night Lens Filter Plus+ from Urth cuts light pollution for truer colors and sharper detail when photographing at night. Light pollution creates a warm color cast when photographing at night. The coated neodymium filter cuts light pollution's warm color cast to capture truer colors and elevate your astrophotography and night photography. The filter's magnetic mount system allows rapid setup and swapping with the included adapter ring. The Plus+ range features 20-layers of nano coating, which provide easier cleaning and better protection against water, oil, and scratches. These layers also provide higher maximum light transmission and a more consistent transmission curve for sharper images, finer colors, and greater depth.