The Genustech Eclipse ND filter
from Genus is the only Neutral Density filter you will ever need. This variable neutral density filter easily rotates to fine tune the amount of light entering your camera lens. This filter gives you approximately 2 to 8 stops of ND. The use of new laser technology ensures superior colour fidelity and sharpness when compared to competing var-nd filters. The Genus Eclipse ND Fader redefines the price point for a pro quality variable neutral density filter. It is rated by many as the best variable ND filter on the market.