High-quality 3x3' Orange #21 Polyester Filter designed specifically for Black & White film photography Manufactured by reputable brand, Lee Filters, known for superior photography equipment Versatile tool ideal for enhancing contrast and saturation in landscape and architectural photography Single coated orange color filter, engineered to darken blue, violet, green, and yellow-green hues Easy-to-use filter that provides vivid contours, distinctly toning the sky and highlighting clouds Durable and affordable photography accessory for professional-grade black and white images