When precision color correction is paramount in your film and video production, the Rosco Cinegel Half Blue (1/2 CTB) lighting filter stands out as an essential tool for professionals. This high-quality, 48"x25' roll of color correction material is expertly crafted to convert 3200K light sources to a cooler 4100K, effectively compensating for varying daylight conditions, voltage reductions, or to rejuvenate aging HMI lamps and yellowed soft lights.The Cinegel Half Blue filter is part of an extensive range of blue filters designed to elevate color temperatures to match or complement your creative vision. While it is commonly applied to tungsten-halogen sources to harmonize with natural daylight, its versatility extends to a wide array of technical and aesthetic applications, allowing for nuanced adjustments to the lighting in any scene.Constructed with a deep-dyed base, this filter ensures heat stability and maintains superior color transmission, with a mired shift of -68 and 52% transmission, resulting in a light loss of just -0.9 stops. The robust material is engineered to withstand the rigors of professional use, ensuring consistent performance throughout your production.Whether you're looking to subtly adjust the ambiance of a scene or correct color temperatures for technical accuracy, the Rosco Cinegel Half Blue (1/2 CTB) filter provides the reliability and quality that filmmakers and videographers trust. Its generous dimensions of 48 inches by 25