Sony HDCAM SR digital cassettes are designed to maximize recordings in HDCAM SR professional digital videotape recorders. Use of metal particles 50% smaller than in HDCAM and other manufacturing innovations allow these cassettes to capture recording wavelength to 0.29um and represent the highest performance metal particle tape in the broadcast family. Recording length of up to 50 minutes for the small-size cassette, and 155 minutes for the large-sizecassette in 24P mode.