85x110mm Graduate Kit #6 (3-Filter Neutral Density Graduate Soft Edge Kit) This 85mm filter kit is usable with Hitech 85mm holder systems or any 85mm or "P" holder system Soft edge grads have a smooth transition from clear to ND Made from the highest quality optical resin Made in the UK on advanced computer-controlled manufacturing equipment Compatible with Canon, Sony, Nikon, Tokina, Sigma, Zeiss, Panasonic, Tamron, Samyang, Rokinon and other lens brands