A bit of time ago I’ve tested the NiSi ND-VARIO Pro Nano 1.5-5 Stops Enhanced Variable ND, and I’ve founded to be a really good ND filter, despite variable ND are not real Neutral Density filters (spoiler: they’re two polariser rotating). Still, the quality of the NiSi ND-VARIO 1.5-5 Stops was high and without the […]

NiSi ND variable

For most photographer using a ND-Vario is by far the worst sin. But what are exactly the Variable ND? Variable ND, short explanation Long story short, variable ND are two polarizer that rotate one on top of another. This allows the photographer to rotate the filter at selected position in order to reduce the light […]