B+W Grey neutral density 2x F-Pro

B+W Grey neutral density 2x F-Pro | Neutral Density 1 step

This gray filter dampens the light at the equivalent of a diaphragm point.

These types of filters B+W Grey neutral density 2x F-Pro,also called neutral density, are used to adjust the exposure to increase the exposure time and / or open the diaphragm, either for technical or creative reasons: for example, to be able to fluidly record a waterfall, instead of freezing it.