Manfrotto Top Lock Quick Release Adapter w Plate Sports Water and Oil repellent function (WR) Water and Oil repellent function (WR) With exceptional Water and Oil repellent functions the filter surface repels water drops and provides resistance to fingerprints Mount with dust and splash proof structure The camera plate clicks into the clamp from above and as soon as it engages it triggers a safety pin that stops the plate and camera from sliding out accidentally Made from lightweight aluminum the clamp has 3 bubble spirit levels (one for each axis of rotation) to facilitate precise framing and help produce straight images in camera ensuring the cameras full frame is usable and reducing post production time