H&Y Filters Drop-in (95mm) ND16+CPL Filter for RevoRing Swift Drop-in Racks & K-Series Magnetic Holder 49mm This neutral density filter is

This neutral density filter is made of 2mm-thick optical glass with multicoating for optimal light transmission

Will fit a small to mid-sized DSLR or compact system (mirrorless) camera and 2-3 small to medium lenses

Made from a strong and lightweight aluminum construction

You cannot use the Hadley One Full Size Insert at the same time as the Hadley One 'Half Size Insert'

Wonderful JMB07A (Large) Replacement Electronic Moisture Absorber For AD-128C

H&Y Filters Drop-in (95mm) ND16+CPL Filter for RevoRing Swift Drop-in Racks & K-Series Magnetic Holder 49mm This neutral density filter isH&Y Filters Drop in (95mm) ND16+CPL Filter for RevoRing Swift Drop in Racks & K Series Magnetic Holder Key Features Drop In (95mm) ND16+CPL Filter Neutral Density & Circular Polarising Filter 1. 2 Optical Density (ND16) (4 Stop) For RevoRing Swift Drop In Racks & KH100 Holder Schott B270 Glass Double Sided Vacuum Coatings Darkens Entire Image Reduce Shutter Speeds, Widen Apertures Greater Control Over Exposure Settings Helps to Eliminate Reflections