The Tiffen 4 x 5.65" Light Cyan Solid 4 Filter is part of Tiffen's award-winning series of colour filters and is one of the most widely used. They enhance reality, adding a touch of subtlety or drama to the image.nnThis filter gives you the ability to add more "punch" to an otherwise ordinary scene. Tiffen filters give you the control you need to create a scene rather than simply photograph it.nnThe Soft or Hard designation shows the degree of colour gradation.nnWhether at the professional or Photo 1 level, Tiffen filters have always been the industry's first choice.nnn- Add colourful excitement to a dull skyn- Change the specific colour of a scene to create a desired special effectnn- Enhance existing colour or create subtle colour dramann- Create a more balanced exposure in uneven lighting conditionsnnnColorCore TechnologynnnTiffen filters are made using ColorCore technology, a closely guarded proprietary process that involves permanently laminating the filter material between two pieces of optical glass polished to tolerances of one ten-thousandth of an inch, then mounting them in precision metal ringsn- The ColorCore process allows Tiffen to control the colour and density of their filters, as well as the characteristics of special effects filters with far greater precision than typical mass-tinted filters, which typically exhibit variations in colour and density.nnnSuperior QualitynnnHollywood's major film studios rely on Tiffen filters for their multi-million dollar productionsn- Superior quality and design make Tiffen the preferred choice of filmmakers, professional photographers and even NASAn- Tiffen has also received an Emmy from the Academy of Television Arts and Sciences for excellence in engineeringnnnSpecificationsn