Urth's 46mm ND4 (2-Stop) Lens Filter Plus+ delivers a fixed 2 f-stop light reduction, enabling precise control over long exposure and depth of field techniques in low-light conditions. This filter allows photographers to employ wider apertures in low light, achieving a captivating shallow depth of field without risking overexposure. Cinematographers benefit from the ND4 Filter Plus+ to impart cinematic effects in low light without compromising image quality or encountering overexposure issues. The Plus+ filter is fortified with 20 layers of nano-coating, ensuring effortless cleaning and enhanced protection against water, oil, and scratches, while also providing superior light transmission and a consistent curve for more authentic light reduction.