The Dorr 46mm Neutral Density Filter extends the exposure time by factor 1000, which corresponds to 10 f-stops. Perfect for landscape photography and when you are shooting a fast moving subject such as traffic or moving water.
Key Features:
- Reduces the depth of field without overexposure
- Reduces light amount by 10 f-stops
- Extends the available exposure time by a factor of 1000x
- Slim filter frame to avoid vignetting
- Black coated metal to reduce reflections