The Cokin P230 Skylight P-Series filter stops UV rays, eliminates the blue casts due to these rays. A Cokin Skylight filter clarifies
...The Cokin P255 P-Series Modular Hood is used to eliminate unwanted reflections & glare. It fits onto the filter-holder by pressing
...
Diffusion filters are used to create softer images & are mainly used in portrait work. The Cokin P830 Diffuser P-Series filter diffuses strong light without affecting the clarity of the image up to about 135 mm focal length & eliminates small skin defects. Ideal for portrait & still-life work. A diffuser will allow a more gentle & subtle interpretation of your subjects, far removed from aggressive lighting, bright colour & the opposition of contrasts
- softens, controls, diminishes, blurs, filters.