Tiffen 4 x 4" Neutral Density 0.3 Filter Canon PFI-207 The apparent field of view

The apparent field of view has been expanded to a whopping 70°

Swivel: 360° Weight Capacity 50 lb (22

to a home entertainment system

Runs on 2 AAA Batteries

Tiffen 4 x 4" Neutral Density 0.3 Filter Canon PFI-207 The apparent field of view0. 3 Solid Neutral Density Filter Requires +1 Stop Exposure Increase Darkens Entire Image Allows Reduced Shutter Speed Allows Wider Aperture ColorCore Technology The Tiffen 4 x 4" ND 0. 3 Filter is a solid neutral density filter providing a 1 stop exposure reduction. This 0. 3 density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower shutter speed than normally required. By slowing your exposure time