The kit includes: The professional K&F Concept photography filter lens features a UV filter + CPL polarizing filter + neutral density filter (ND4) + filter bag + lens cleaning cloth.

Optical glass lenses: All filters are made from Japanese optical glass with a blue coating, high anti-reflectivity to ensure true color performance and image quality. The CNC frame design enhances grip, making it easier to install and remove the filter.

With cleaning cloth and filter bag: The cleaning cloth is made of optical quality microfibers, with a fine texture, soft and lint-free, washable and reusable, ideal for removing dust from lenses and cameras. The filter bag can hold 3 filters, making it convenient for transportation.

ND4: 2 stops with 25% transmission, imported glass with blue coating, ultra-thin telephoto lens and wide-angle lens, without vignetting.

These K&F Concept filters are compatible with all 40.5mm lenses.