- Provides 3 to 7 Stops of Light Reduction
- Filter Factor: 0.9 to 2.1
- Darkens Entire Image Area
- Schott B270 Optical Glass
- 20 Layers of Multicoating
- Protective Nanocoating
- Slim Design Double-Threaded Filter Ring
- Density Scale for Repeatable Results
- Includes Storage Case/Microfiber Cloth