Color Correction Filters

KUPO Optics is proud to offer its line of advanced Color Correction Filters, an essential tool for professionals seeking precise control over the color temperature of their lighting sources. These filters are the epitome of innovation in optical technology, designed to effortlessly convert color temperatures to meet the exacting demands of various lighting environments.
Crafted with superior hard dielectric thin-films, KUPO's color correction filters boast unmatched density and durability, making them highly resistant to environmental degradation. This robust construction ensures that each filter, from full to partial color temperature conversion, provides a consistent and reliable performance, surpassing the limitations of traditional gel filters. Whether it's converting the warm tones of tungsten bulbs to a cooler daylight hue, or achieving a specific color temperature for a unique project, these filters offer unparalleled precision in color adjustment.
KUPO's commitment to quality is evident in every filter, with a strict adherence to MIL-M-13508C standards for humidity, adhesion, and abrasion resistance. This ensures that each filter, regardless of its batch, maintains the same high standards of durability and performance. Ideal for applications in stage lighting, photography, cinematography, and film studios, KUPO Optics' Color Correction Filters are not just tools but partners in creativity, enabling artists and technicians to mold and shape light as they see fit, without compromising on quality or consistency. 

The Applications of Color Correction Filters

Color correction filters are essential tools in various sectors, fine-tuning the color balance and compensating for lighting discrepancies or sensor sensitivities. These filters can alter the color temperature of a light source or improve the color rendition on cameras and sensors, which is pivotal in industries such as photography, film, machine vision, stage lighting, and digital printing. The quality of visual output, whether it's an image on a screen or the ambiance of a room, can be drastically improved with the proper use of color correction filters.
Machine Vision
In machine vision, the accuracy of color analysis and detection can make or break an application. Color correction filters are used to ensure that the cameras and sensors yield consistent results under different lighting conditions. They are also employed to enhance contrast and isolate specific colors, making it easier for vision systems to detect defects or sort items. Precisely calibrated color correction filters can be designed to match the spectral sensitivity of sensors, compensating for any distortions and ensuring that the colors observed by the machine correspond to the true colors of the inspected items.
Stage Lighting
The application of color correction filters in stage lighting is vital for setting the mood and carrying out a director's creative vision. These filters can adjust the color temperature of lights to match other lighting instruments or to evoke a certain time of day or location. They can warm up cool LED lights or balance out the temperature of different fixtures to create uniformity in color across the stage. Not only do they offer aesthetic benefits, but they also aid in reducing the strain on digital cameras during live recordings, delivering a broadcast quality that resonates with viewers' expectations.
Photography and Cinematography
Professional photographers and cinematographers rely on color correction filters to balance the light sources with the film stock or camera sensors. By mitigating color casts from ambient light or manipulating the warmth or coolness of a scene, these filters are indispensable for achieving accurate color rendition and a desired visual tone. They are particularly useful in outdoor shoots, where the photographer has less control over the natural light, or on set, where diverse lighting setups are used.
Digital Printing
In the domain of digital printing, color correction filters play a unique role. They are used in scanners and digital printing machines to ensure that scanned images or printed outputs match the original colors as closely as possible. These filters can fine-tune the illumination within the scanner or printer, compensating for any variances and providing a more authentic reproduction of the scanned or printed product.
Astronomers use color correction filters to enhance the visibility of celestial features. The filters can adjust for the color temperature of different stars or improve the contrast of planetary surfaces. They also help in identifying specific elements or compounds present in stars or galaxies by highlighting the characteristic colors or lines in the electromagnetic spectrum.
Medical Imaging
Color correction filters are utilized in various medical imaging techniques, including endoscopy and dermatology, to provide a more accurate representation of tissue and vessel appearance. Filters can adjust the lighting to mimic natural daylight conditions, allowing physicians to better interpret the images for diagnostic purposes.
In conclusion, color correction filters are a fundamental aspect of achieving the desired results in applications where color fidelity and precision are critical. They enhance system performance, contribute to aesthetic quality, and ensure color consistency across various domains. The strategic application of these filters is a testament to their crucial role in the accuracy and beauty of color reproduction in professional settings.


● Perfect piece-to-piece, batch-to-batch consistency
● Precise color temperature conversion
● Great resistance against UV and heat (Compared to gel)
● Great endurance to environmental degradation

General Specification

● Spectral Tolerance: +/- 3nm at designated wavelength
● Available Substrate: See Glass Substrates under Products Page
● Humidity, Adhesion, and Abrasion: MIL-M-13508C
Available Substrate: See page 4

Examples of Applications

● Stage Lighting
● Photography
● Film Studio
● Cinematography

Following conversion result is only for reference

Real effect will be subject tothe light source