SX-70 Sonar with 600 film and ND filter. : r/Polaroid
Amazon.com : Polaroid Optics 77mm 3-Piece Filter Kit Set [UV,CPL,FLD,& Neutral Density] includes Nylon Carry Case – Compatible w/ All Popular Camera Lens Models : Electronics
ND Filters for SX-70 Instant Film Cameras (2-Pack)
Dodd Camera - ProMaster 43mm Variable ND Filter
Handmade ND Filter for SX-70 Cameras Use Polaroid 600 Film - Etsy
Gear Review: Polaroid Variable ND Filter | LG Visuals ⎟ Lewis Gething Visuals Blog
ND Filter for Polaroid Film - Double Pack
Amazon.com : Polaroid Optics 43mm Multi-Coated Variable Range [ND3, ND6, ND9, ND16, ND32, ND400] Neutral Density Fader Filter ND2-ND400- Compatible w/ All Popular Camera Lens Models : Camera Lens Neutral Density Filters :
Polaroid Optics 43mm Multi-Coated Variable Range [ND3, ND6, ND9, ND16, ND32, ND400] Neutral Density Fader Filter ND2-ND400- Compatible w/ All Popular Camera Lens Models : Camera Lens Neutral Density Filters : Electronics - Amazon.com
Polaroid 77mm Neutral Density Fader Filter PLFILFDND77 B&H Photo