Overcast scenes and moody atmospheres are effortlessly achieved with the Roscolux Pale Blue, 20x24" Color Effects Lighting Filter. With a light transmission rate of 56%, this high-quality filter is perfect for photographers and videographers seeking to add a unique, pale blue hue to their work. As part of Rosco's premier Roscolux range, this filter is crafted using a unique tri-extrusion process. This innovative manufacturing technique combines three discrete layers, effectively sealing the colored layer between two ultra-thin layers of clear film. This design minimizes dye migration, thereby extending the filter's effective life and ensuring its durability under hot theatrical lights. Known as "Supergel" in international markets, Roscolux is the most widely used filter range globally, testament to its superior quality and versatility. The Roscolux Pale Blue filter is primarily made from co-extruded polycarbonate plastic, accounting for over 65% of its composition. The remaining portion is deep dyed polyester, further enhancing its color effect capabilities.Unlike ordinary color filters, which are manufactured by surface coating clear polyester plastic film, the Roscolux Pale Blue filter's color is not merely painted onto the surface. This crucial difference means that the risk of the dye being removed due to heat or physical abrasion is significantly reduced, ensuring your filter maintains its color effect longer and is more resistant to fading and sc