H&Y Filters HD EVO-Series Magnetic Black Mist (1/2) Filter & Adapter Ring - 67mm S2 Camera Bag Accessories It has 77mm threading on

It has 77mm threading on the rear and front and can be screwed onto your lens

This can be used to great effect to smooth out water in seascapes or at waterfalls

Pocket: Small width 8 cm

Does not use any batteries or electrical wires

H&Y Filters HD EVO-Series Magnetic Black Mist (1/2) Filter & Adapter Ring - 67mm S2 Camera Bag Accessories It has 77mm threading onH&Y Filters HD EVO Series Magnetic Black Mist (1 2) Filter & Adapter Ring 67mm Key Features Black Mist (Grade 1 2) Filter Magnetic Adapter Ring Dual Mount Design Aluminum Filter Ring Multicoated Optical Glass Front and Rear Threading Screw In & Magnetic Attachment This HD EVO Series Magnetic Black Mist Filter Kit from H&Y Filters includes a 67mm, 1 2 grade diffusion black mist filter and a 67mm threaded magnetic adapter ring. As part of the EVO