Professional 4x5.65 inch Tiffen ND 1.5 graduated filter with a hard-edge transition. Ideal for darkening bright skies with flat horizons. 5-stop reduction.
Professional geared ND filter cartridge for Kippertie Revolva mounts. Features ND 1.2, 1.5, 1.8, and 2.1 densities for precise remote exposure control.