The ProMaster Variable Neutral Density filter allows total lighting control in virtually any environment.
Completely variable from a factor of ND3 to ND400.
Rotating Ring to Choose Degree of ND
Eliminates Buying Many ND Filters
Use with Film or Digital
Wide Outer Ring Reduces Vignetting
Black Aluminum Filter Ring
For those looking to photograph the upcoming solar eclipse, ND400 equates to
about a 8.6 stop reduction in light. Solar filtration requires light reduction of 16
stops.