K&F Concept B series Black 77mm Filter sku-1089060970

The K&F Concept B series Black 77mm variable ND2-ND400 filter is listed under Camera Accessories as sku-1089060970. Its optical glass construction and slim design are intended to reduce vignetting. The package contains 1 filter, 1 microfiber cloth made from Japanese raw material and 1 box. The cloth can clean lenses, filters, eyeglasses and mobile devices.

Check the lens thread before buying: Ø 37 means a 37 mm thread, while Ø 62 means a 62 mm thread. At the 400 maximum-density setting, an X-shaped spot or blur may appear; reducing density and stopping down the aperture may remove it. The ring markings are references, not precise density settings. Package dimensions are 11.3 x 10 x 2.4 centimetres, and package weight is 1.76 ounces.

The filter effect is neutral density.