PhotoRepublik 82mm ND 4 Filter Magnification_7x It has a slot running

It has a slot running down the centre for adjusting the camera position front to back for balancing the weight depending on the lens

Dual linear motors ensure fast

Canon 17-40/4L USM

diatoms to vast geological formations

can be configured independently

PhotoRepublik 82mm ND 4 Filter Magnification_7x It has a slot runningMade with an ultra durable machined aluminum ring the PhotoRepublik ND 4 filter can reduce up to 2 stops of light. ND filters reduce the amount of light reaching the lens to help increase exposure time, without affecting colour rendition. ND filters are usually used to slow down shutter speed in video mode to prevent rolling shutter. In still photography it is used to allow greater expression of movement than the cameras settings can normally capture,