Hoya 62mm ND Variable Model Digital MC UV

Model Digital MC UV

which covers a wide-angle to portrait-length range and features a constant f/4 maximum aperture

Sony Alpha a7 (ILCE-7)

For Mixing

interchangeable-lens cameras

Hoya 62mm ND Variable Model Digital MC UVHOYA 62mm ND Filter The Hoya Variable Density filter uses two polarizing layers to control the amount of light that passes through the filter and into the camera lens. At it's minimum effect the filter passes 1 3 of the light in a scene. That is equal to 1. 5 stops on the aperture or shutter speed. At it maximum effect the filter passes just 1 400 of the light in a scene. That is equal to 9 stops on the aperture or shutter speed.