Circular Polarizer Filter

• Anti-Reflective and Transmission Coating
• Extra Hard and Durable
• Deepens Blue Sky
• Enhances Clouds
• Minimizes Reflections
• High-Quality ColorCore Glass
• Made in the USA
• 2-Year Warranty
• Can be rotated to achieve desired effect

Point your index finger at the sun. With your thumb extended at a right angle (90°), rotate it around the axis of the index finger. It will point out the band of deepest blue from horizon to horizon.