Rosco
Rosco R3420S Cinegel Double CTO Color Correction Filter
★★★★★
Achieve Precision Lighting with this Color Correction FilterThe Rosco Cinegel Sun Double CTO is a color correction lighting filter designed to convert 10,000°K daylight to 2400°K. This deep-dyed filter is ideal for special applications requiring precise color temperature adjustments in film, tele...
$21.88*
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*Price sourced from Amazon.com. Last updated:Jul 13, 2026.Price and availability are subject to change.
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Overview
Achieve Precision Lighting with this Color Correction Filter
The Rosco Cinegel Sun Double CTO is a color correction lighting filter designed to convert 10,000°K daylight to 2400°K. This deep-dyed filter is ideal for special applications requiring precise color temperature adjustments in film, television, and photography.
- Color Conversion: Converts 10,000°K to 2400°K
- Size: 20x24"
- Mired Shift: +320
- Transmission: 23% (-2.1 stops)
- Type: Deep-dyed base
Key Features
SUPERIOR COLOR ACCURACY - Rosco Cinegel ensures true-to-life colors in your photography and film projects, maintaining consistent color balance across all shots with its precision-engineered dyes.
OPTIMIZED LIGHT TRANSMISSION - Experience minimal light loss with this filter, preserving the brightness and intensity of your light source while accurately rendering the intended color effect for vibrant results.
ENHANCED DURABILITY - Crafted to withstand the rigors of professional use, this filter resists tearing and fading, ensuring long-lasting performance and reliability in demanding shooting environments.
EXCEPTIONAL HEAT RESISTANCE - Rosco Cinegel maintains its integrity under hot studio lights, preventing warping or discoloration, which guarantees consistent color output and extends the filter's lifespan.
CONVENIENT SIZE - The 20" x 24" sheet is perfectly sized for a variety of lighting setups, offering ample coverage for strobes, LEDs, and tungsten lights, making it a versatile addition to your kit.
Specifications
Product Type
Color Correction Filter
Model
R3420S Cinegel
Color Correction Type
Double CTO
Material Property
Precision-engineered dyes
Sheet Size
20" x 24"
Durability Feature
Resists tearing and fading
Heat Resistance
Exceptional
Pros & Cons
👍 Pros
- Ensures superior color accuracy with precision-engineered dyes, maintaining consistent color balance
- Designed for optimized light transmission, preserving brightness and intensity while rendering color effects
- Crafted for enhanced durability, resisting tearing and fading under professional use conditions
- Offers exceptional heat resistance, maintaining integrity and consistent color under hot studio lights
- Provided in a convenient 20" x 24" sheet size, versatile for various lighting setups including strobes and LEDs
👎 Cons
- The "Double CTO" implies a very strong color temperature orange correction, which might be too intense for subtle adjustments
- Being a filter, it inherently reduces light output, potentially requiring higher power settings on the light source
- Requires manual application and setup for each light, unlike integrated color control systems
- Durability is enhanced, but filters are still consumable items that will eventually degrade with heavy use
- The specific optical density or light loss in stops is not quantified, making precise exposure compensation estimations difficult
Frequently Asked Questions
What specific color correction does the Rosco R3420S Cinegel filter provide?
The Rosco R3420S Cinegel is a Double CTO (Color Temperature Orange) filter, designed to warm up daylight-balanced light sources significantly.
What is the size of this color correction filter sheet?
This filter comes in a convenient sheet size of 20 inches by 24 inches, suitable for a variety of lighting fixtures.
How durable is the Rosco Cinegel filter?
It is crafted for enhanced durability, featuring resistance to tearing and fading, which contributes to its long-lasting performance in demanding environments.
Can this filter withstand high heat from studio lights?
Yes, this Rosco Cinegel filter offers exceptional heat resistance, ensuring it maintains its integrity and consistent color output even under hot studio lights.
Does this filter affect light output?
As a color correction filter, it inherently causes some degree of light loss, though it is designed for optimized light transmission to preserve brightness as much as possible while rendering the intended color effect.
What is the benefit of "superior color accuracy" in a filter?
Superior color accuracy ensures that the filter provides true-to-life colors and maintains consistent color balance across all shots, which is critical for professional photography and film projects.
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