H&Y Filters ND16 (4 Stop) Magnetic Clip-On Filter for RevoRing (67-82mm) 4x5 H&Y Filters Drop-in (95mm) ND4000

H&Y Filters Drop-in (95mm) ND4000 Filter for RevoRing Swift Drop-in Racks & K-Series Magnetic Holder

H&Y Filters HD EVO-Series Magnetic Variable ND3-1000+CPL Filter Kit (95mm)

This HD EVO-Series Magnetic Transparent Streak Filter Kit from H&Y Filters includes a 82mm filter and a 82mm magnetic adapter ring

perfect for ultra-long exposures

Hadley One

H&Y Filters ND16 (4 Stop) Magnetic Clip-On Filter for RevoRing (67-82mm) 4x5 H&Y Filters Drop-in (95mm) ND4000H&Y Filters ND16 (4 Stop) Magnetic Clip On Filter for RevoRing (68 82mm) Key Features ND16 (4 Stop) 1. 2 Optical Density Double Sided 9 Layer Multicoating Water Repellent Resistance Coating 2mm Thick Optical Glass Fits Select 67 82mm RevoRing Products Darkens Entire Image Area Allows Reduced Shutter Speed Allows Wider Aperture Magnetic Frame This ND16 67 82mm Magnetic Clip On Filter for RevoRing from H&Y is compatible with select 67 82mm RevoRing