ND Filters for SX-70 Instant Film Cameras (2-Pack)
Amazon.com : Polaroid Optics 52mm Neutral Density Filter [ND 0.6] Compatible w/ All Popular Camera Lens Models : Camera Lens Neutral Density Filters : Electronics
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 :
This is the world's first variable graduated ND filter: Digital Photography Review
ND filter on a Polaroid SX-70 - YouTube
The simplest way to use 600 film in Polaroid SX-70 – by attaching a ND filter to the lens | WaLL Photography
Polaroid Originals ND Filter Double Pack, Black (4741) : Buy Online at Best Price in KSA - Souq is now Amazon.sa: Electronics