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Rosco Laboratories 43204-2209
8.25" 1/2 Blue CTB Cinedichro Dichroic Filter

OUR PART #:  43204-2209

NOTE : Product shown in image is for illustrative purposes only - actual product may vary in appearance.
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Our Price: $182.09
List Price: $186.75
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Rosco Laboratories 43204-2209
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NOTE: Product shown in image is for illustrative purposes only - actual product may vary in appearance. 

Dichroic filters are durable glass color filters that transmit only certain wavelengths of light, reflecting the rest of the spectrum, rather than absorbing it. Since virtually no energy is absorbed by the filter, light transmission is significantly higher than traditional gels and will never burn out or fade. Rosco Permacolor filters are made with the highest quality coatings, designed not to fade or shift color. In addition, Rosco's sophisticated manufacturing process allows for precise color consistency batch to batch to a degree that is unprecedented in other dichroic coatings. Permacolor filters are manufactured in five standard sizes on durable borafloat glass 1.75mm (.069") thick or can be custom cut in any size up to 13.5" in diameter.

Cinedichro CTO and CTB dichroic filters have been engineered to provide true, accurate color correction, precisely matching industry standards for color balancing daylight and tungsten light sources. Relying on the filters ability to withstand extremely high temperatures, Cinedichro filters can be used on most motion pictures lighting fixtures - even 6K pars. Like all Rosco Permacolor filter, Cinedichro are made to a maximum diameter 13.5". Please contact Rosco for more information on using Cinedichro filters with specific fixtures.

Rosco Laboratories 43204-2209 Dichroic Filter Specifications:

  • Swatchbook: Permacolor
  • Color Filter: #3204 1/2 CTB
  • Transmission: 49% or -1.0 sto ploss
  • MIRED Shift: n/a
  • CC Equivalent: n/a


  • Substrate: Borasilicate Glass
  • Thickness: 1.75mm (1.1mm and 3.3mm optional)

NOTE: See attached documentation for full colorimetric specifications.

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