100x150mm Reverse Graduated Neutral Density Kit #7 (3-Filter ND Reverse Graduated Kit) Soft edge grads have a smooth transition from clear to ND Made from the highest quality optical resin 150mm long for easy vertical adjustment to your scene Compatible with Canon, Sony, Nikon, Tokina, Sigma, Zeiss, Panasonic, Tamron, Samyang, Rokinon and other lens brands