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This is a Full Double Stainless Steel Diffusion Scrim by Matthews for a light fixture that accepts a 15 1/2" accessory.
Wire diffusion is impervious to rust and holds up better under uneven, intense heat, making it preferable for use with open face, non-Fresnel lighting fixtures. They may be stacked to achieve limitless variation of light intensity.
Scrims do not affect the color temperature and produce no electronic interference.
They may be stacked to achieve limitless variation of light intensity.
The outer edges are color keyed for rapid identification. Green: single, Green with silver: half single, Red: double, and Red with silver: half double.
Halves are employed to reduce a portion of the beam and are commonly used when the light is striking the plane of the subject or background for an angle.