55mm GTX Filters-X Series Multicoated-Variable ND Fader

GTX Filters-X Series Multicoated-Variable ND Fader

Features:
• Continuously Variable Neutral Density Filter between ND2 and ND2000
• Provides a “fader” effect
​• 16 Layers of Multicoating provides up to 99% light transmission.
• All metal slim rings, will not vignette on wide angle lenses
• Double threaded to accept other filters or accessories
• Pure Optical Glass 
• Reduces light transmission
• Dyed in the mass glass
• Neutral, no color shift.
• Helpful in very bright conditions, such as snow and beach scenes