Promaster 4537 37mm Variable ND Filter

ProMaster 37mm Variable ND - StandardProMaster SKU: 4537 | Helix SKU: PR4537OVERVIEWThe ProMaster StandardVariable Neutral Density Filter provides light reduction of about 1.3 to 8.6 stops. The ND3 to ND400 density creates a darkening of the entire image allowing you to photograph with a wider aperture or slower shutter speed than normally required.Features high quality glass and precision metal frames.