H&Y Filters Black Mist (1/2) Magnetic Clip-On Filter for RevoRing VND & CPL (58-77mm) Superflex H&Y Filters 100 x 150mm

H&Y Filters 100 x 150mm K-Series Reverse-Graduated Neutral Density 0

The more important reason: The 5x8 rectangle is more appealing aesthetically

while the 4-stop to approximately 2-stop gradation is applicable to multiple regions of brightness within the sky

It is made to fit the KH100 Filter Holder System

H&Y Filters Black Mist (1/2) Magnetic Clip-On Filter for RevoRing VND & CPL (58-77mm) Superflex H&Y Filters 100 x 150mmH&Y Filters Black Mist (1 2) Magnetic Clip On Filter for RevoRing VND & CPL (58 77mm) Key Features Add On for RevoRing VND and CPL Users Made of Architectural Grade Aluminum Lightweight and Tough Shortlist Travel Gear to One Filter Fits Lenses of 58 77mm Filter Threads Retain Contrast Smooth Out Facial Wrinkles Anodised Finish Protects from Corrosion H&Y Filters Black Mist 1 2 Magnetic Clip On Filter is designed for the RevoRing with VND + CPL. The