Tiffen 77mm Variable Neutral Density Filter $89.95 @ B&H Photo w/ Free Shipping

https://www.bhphotovideo.com/c/pr…nsity.html
Specs:
Provides 2 to 8 Stops of Light Control
Rotating Ring to Choose Degree of ND
Eliminates Buying Many ND Filters
Use to Create Blurs/Special Effects
Use with Film or Digital
Wide Outer Ring Reduces Vignetting
Black Aluminum Filter Ring
ColorCore Glass
Made in the USA