[Improved lens protection] with nanobic cover technology to protect against water, oil, dust and scratches. [Creative Exposition] with gradient gray filters for balanced lighting in high contrasting situations. [Romantic purple color tones] with gradient purple filter for dreamy landscape photography. [Dramatic sunrise] beautifully recorded with the gradient orange filter and add layers and depths to the sky colors. [Colorful artistic expression] with gradient yellow filter ideal for presenting living scenes and artistic creations.