The IRIX Edge 100mm Hard Gradual Filter (GND4 (0.9)) is a filter where the transition between full transparency and shaded area is narrower. This type of filter works well for scenes where the horizon is flat and regular such as the sea or some wide-open plain. In this situation, the upper part of the image – the sky – is definitely brighter than the rest of the frame, and this part should be covered with a filter.
Quality that you can trust
Only the highest quality optical glass is used during the production of Irix Edge filters; with 99.6% light transmission. Multilayer anti-reflective coatings have been applied on both sides of each filter, which helps produce images without flaring, with excellent contrast and sharpness at the same time.
Key Features
- Three-Stop Neutral Density Filter
- Area-Specific for Proper Exposure
- Short Transition for Flat Horizon Lines
- Multi-Layer, Anti-Reflective Coating
