NiSi has announced a new variable ND filter called the Pro Nano 1. 5-5-stop Enhance ND-Vario. One of the filter’s features is that it says has no dreaded X-effect. Variable ND filters are made by stacking polarizing filters, which are then turned to produce different intensities.
One common weakness is that at their darkest settings, you […]. petapixel.com
2017-12-14 20:22