Andoer Professional 40.5mm GND Graduated Filter Set GND4(0.6) Gray Blue Orange Red Graduated Neutral Density Filter for Canon Nikon DSLR 40.5mm Camera Lens Type: Filters Set Compatibility: For Canon Nikon DSLR 40.5mm Camera Lens Specifications: Color: Graduated blue, red, orange, gray Features: Material of filter: Optical resin |