Amazon.com has ESDDI 77mm ND 1000 Filter Photo ND Filter MRC ND Filter with Dark Black Aluminum Frame Schott B270 Optical Glass on sale for $25.98.
- 10 stop exposure reduction allows you to photograph with a wider aperture or slower shutter speed than normally required
- To enable slow shutter speeds to be used to record movement of subjects such as waterfalls, clouds, cars, seas, etc.
- To decrease depth of field by allowing wider apertures to be used, which helps separate subjects from their background
- Does not affect the coloration of the image and are ideal for pairing with other filters
- Multicoating process suppresses ghosting, flare and reflections, and increases light transmission