Genustech Eclipse Fader ND filter sets new standard - all for $165 US - Newsshooter
Amazon.com : Haida Ultimate Long Exposure Set 77mm / 82mm Slim PROII Neutral Density MC ND Filter Kit ND8 ND64 ND1000 + Step Ring + Tortoise Case HD4547-82 : Electronics
Ice 77mm Stack Cap with ND8, ND64, ND1000 Slim Filter SI-NDSS77
Moment - 67mm Variable ND Filter Set - Moment
Ice Magco Magnetic ND Filter Stack Set with Caps and IMC-SS677
Ice 77mm Slim 6 Neutral Density Filter Set ICECONDS6-77 B&H