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Key Features
- Designed for Film Photographers
- Adds Dark Blue to Overall Exposure
- Reduces Color Temperature by 1700°
- 6 layers of HMC Multicoating
The 77mm Hoya C8 Blue Cooling Color Conversion Filter allows you to match the white balance of 3800K tungsten-balanced, warm ambient light sources entering the lens to match daylight-balanced 5500K films. C8 filters cool the light source by 1700° Kelvin, or a -80 mired shift, by adding a dark blue to the overall exposure.
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