ProMaster 37mm Variable ND - Standard
ProMaster SKU: 4537 | Helix SKU: PR4537
OVERVIEW
The ProMaster Standard Variable 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.
