Square Filter Camera Filters Graduated Blue Z Series 100*150mm camera for Lee Cokin Z series Pro Holder 100mm*150mm Introduction Graduated filters can help you to re-establish the balance between colors and reduce contrast between the different parts of your image. If the lens with blue gradient lens, can shoot the screen more blue , Features: Graduated color filters provide a gradual color transition for a smooth blending effect. Give your landscape and skin texture a more colorful touch. These filters are clear in the bottom half of the filter with a gradual transition to the color effect in the top half. They are primarily used for skylines of landscape shots. This 100mm filter is usable with Hitech 100mm holder systems or any 100mm (4) holder. Suitable for Cokin Z series Lee Hitech Tiffen Singh-Ray filter holders. Can be removed easily. Specification: Material: Optical resin Dimensions: 100mm x 150mm Thickness: 2mm Color: Graduated blue Compatible with other 100mm Systems such as Cokin z Pro, B+W, Lee and Hitech Systems Suitable for film and digital. Package includes: 1 x Graduated blue Color filter Please note: do not include adapter and Holder