Deal: Hoya 9-Stop ND Filter for $28 February 15, 2016 By Eric Reagan B&H has Hoya’s NDx400 HMC 9-stop filters starting at $28.95 (reg. $44.95) for the 58mm version. The 62mm version is also on sale for $38.95 (reg. $44.95). Check them both out here at B&H Photo.