1-9 Stop equivalent to ND2-ND400 is best suitable for the bright day from normal sunny days to bright sunny days.
GiAi's uniquely designed variable neutral density filter provides the equivalent brightness range of ND2 to ND400.
The singular versatility of the Variable ND filter not only replaces a whole set of stacking neutral density filters it also removes vignetting which may be caused by using multiple filters.
-Before & After VND Effects-
Without changing the aperture, the GiAi variable ND2-400 filter provides the freedom to change the shutter speed according the effect desired. Effective for motion blurring effects like waterfalls, cars or blurred panning movement to make the subject stand out from the background.
Allows wider apertures in over-lit conditions be used to decrease depth-of-field, literally focusing more attention on the subject.
Even with a shutter speed of 1/8000 seconds, a large aperture of f/1.4 or f/1.2 can cause overexposure. With the GiAi Variable ND filter, overexposure issues can be avoided by adjusting the light intake.
By simply turning the outer filter ring.
