Tiffen 72mm Graduated 0.6 ND Filter 72CGND6 B&H Photo Video
H&Y Revoring variable step-up rings allow filters to fit multiple lens thread sizes: Digital Photography Review
Haida Filter - NEW MEMBER to the NanoPro Series! Variable ND filter Size :67mm,72mm,77mm,82mm | Facebook
Amazon.com : K&F Concept 72mm Variable ND Filter ND2-ND32 Camera Lens Filter (1-5 Stops) No X Cross HD Neutral Density Filter with 28 Multi-Layer Coatings Waterproof (Nano-X Series) : Electronics
The best neutral density filters in 2023 | Digital Camera World
Amazon.com : Neewer 72mm Variable ND Filter, ND2-ND32 (1–5 Stops) Adjustable Neutral Density Filter for Camera Lens with Ultra-Slim Frame, Optical Glass, and Multi-Resistant Coatings, Weather-Sealed & No X Spot : Electronics
NiSi 72mm Nano IR Neutral Density Filter ND32000 (4.5) 15 Stop
NiSi 72mm Swift True Color ND-VARIO Pro Nano 1-5stops Variable ND | NiSi Optics USA