The Harrison & Harrison 4 x 4" DF 1 is a precision optical glass filter from the renowned Diffraction series, designed to create controlled softening and diffusion effects for motion picture and broadcast cinematography. Utilizing advanced optical manufacturing techniques, the DF 1 filter produces a subtle, dreamlike quality without noticeably reducing image sharpness or introducing color shifts, making it ideal for beauty shots, flashback sequences, or reducing the appearance of skin imperfections. Each filter is individually inspected and handcrafted using water-white optical glass to ensure consistent, repeatable performance across all production applications. Housed in a standard 4 x 4-inch configuration compatible with industry-standard matte boxes, this filter includes a protective lens case for secure storage and transport between shoots. The DF (Diffusion) series represents decades of optical expertise from Harrison & Harrison, a trusted name in Hollywood cinematography since 1937. Whether used alone or in combination with other filters, the DF 1 provides cinematographers with a reliable creative tool for achieving distinctive visual effects while maintaining the technical precision required for professional motion picture production. Read more

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