Polarizer Filter- 48mm Adapter Ring- Hoya 52mm Skylight 1B Filter- See Pictures. Enhance your photography skills with this high-quality Cannon Camera Lens FD 28mm 1: 2.8 w Cap-5 Cokin Conversion Filters-B 160 Linear. Designed to fit perfectly with your camera, this square-shaped filter with multi-colors and circular polarizer effects is a perfect addition to your photography gear. The 28mm filter size ensures that it covers the entire lens, providing a complete protection and enhancing the performance of your camera. With its exceptional features, this filter is perfect for photography enthusiasts who want to take their skills to the next level. The filter comes with a cap, making it easy to store and transport. Get your hands on this Cannon Cokin filter today and take stunning photos like a pro!