49Mm Slim Fader Variable Nd Filter Neutral Density Nd2 To Nd400 Lens Adapters Mounts & Tubes Size:Standard Speed 2: 2000 Rpm

Speed 2: 2000 Rpm

Available Sizes Are

Self-Adhesive Waterproof And Removable With No Residue

Power Supply: 5V Usb

There May Be 0-1Cm Error Due To Manual Measurement

49Mm Slim Fader Variable Nd Filter Neutral Density Nd2 To Nd400 Lens Adapters Mounts & Tubes Size:Standard Speed 2: 2000 RpmNeutral Density (Nd) Filters Can Reduce The Intensity Of Light Equally Without Appreciably Changing Its Color. Fader Nd Filter Can Change The Luminous Flux Substantially With Reducing The Amount Of Light From 2 Times Of The Lowest To About 400 Times Of The Hightest. It Can Easily Replace Dozens Of All Grades Of Density Nd Gray Filters (Max. Equal To 3 Nd9)(1 Nd9 Can Reduce Three Grade Light). The Operation Is Extremely Convenient When Selecting Your