Zomei Camera Filtro Gradient Neutral Density Gradual ND Square Resin Filters Adapter Rings Holder Cokin P Series system for DSLR The Full ND Filters (ND2, ND4, ND8)reduce the amount of light reaching the film without affecting the color. Can be used to enable slower shutter speeds. The Graduated ND Filters(G.ND2, G.ND4, G.N8)are a MUST for digital users, because the digital sensor unlike film has very low exposure tolerance. Detail will be lost on both low and high light area. To correct this, you need graduated filters to balance it! The 49-82mm Adapter Rings are made of high quality anodized black aluminum (metal).Same filter for all your lenses by just replacing the adapter ring. The Square Filter Holder allows for use of light correction or special effects. Simply mount the adapter ring and filter holder to the front of your lens, then slide in different filters to take beautiful, colorful shots. Full ND filters can also be used to better separate subjects from the background by allowing wider apertures, effectively decreasing depth of field.Control light and colour directly on your raw images at the time of shooting. Graduated ND filters provide a gradual color transition for a smooth blending effect. Give your landscape and skin texture a more colorful touch. Perfect for changing the mood of a picture. One of the least expensive and most effective ways to dramatically improve your shots. Great for portraiture and outdoor scenes. Not only offer an indispensable support but also allow a considerable amount of time saving in post production software job. (9) Adapters Rings(49-82mm): An essential piece of the Cokin P series filter set. Extremely solid and lightweight. Specifically designed for your camera for a tight and secure fit. No wobbling or cross-threading. (1) Square Filter Holder: The same set of filters can easily be shared between lenses of different sizes as long as each lens has an adapter ring installed. Can hold up to three square filters at the same time allowing for use of light correction or special effects. (1) Filter Carrying Pouch: Hold and protect filters with or without their protective cases. Package Contents: 6x Full Graduated ND Filters(ND2,ND4,ND8,G.ND2,G.ND4,G.N8) 9x Metal Adapter Rings(49mm, 52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm, 82mm) 1x Square Filter Holder 1x Filter Carrying Pouch