Reverse edged GNDS are similar to hard edged GNDs except that the darkest part of the filter is at the transition point. These filters have a specific use for shooting at the light source where the light is harshest at the horizon and tapers off toward the sky.
Product specification
Brand: Nisi
Model: NC R-GND8/3STOPS
Filter type: Reverse GND
Lens material: optical glass
Frame material: Aluminum
Net weight: 39g
Front thread: lens cap and other filters can be installed
