Variable ND Shootout and are they as good as Solid ND?

Singh-Ray 77mm Vari-N-Trio: Hoya 77mm Solas Variable: SLR Magic 77mm: Genustech 77mm Eclipse: Tiffen 77mm: Hoya 77mm: Polaroid 77mm: Benro 77mm Solid: ------------------------ Dave’s Courses on Shooting Video with Mirrorless & DSLR’s: Royalty free music by