The Caruba UV+CPL+Variable ND2 400 Set is a versatile lens filter set with a diameter of 77 mm, designed for photographers and videographers. This set includes a UV filter that blocks unwanted UV rays while enhancing the clarity and sharpness of images. The CPL filter (Circular Polarizing Filter) reduces reflections and improves color saturation, which is particularly beneficial for shots of water or in nature. The variable ND2 400 filter allows for flexible control over the amount of light hitting the sensor, making it ideal for shooting in bright lighting conditions. With this combination of filters, users can increase their creative control over their shots while optimizing image quality. The screw-on filters are easy to handle and can be easily attached to most lenses. This set is a valuable addition to any photo or video equipment.