Man of Honour
Looking around, I've noticed amazon stock two version of K&F variable ND filters.. One is ND2 - ND400 @£18, the other is ultra slim ND2 - ND32 @ £45. The latter boast no black spot X issue but is 3 stops short of it's cheaper sibling.
Anyone had any experience of these and if the cheaper one will do the job?
Anyone had any experience of these and if the cheaper one will do the job?