Description: Narrowband rendering is a rendering technique that focuses on specific wavelengths of light, allowing artists and 3D graphics developers to create images with a high degree of accuracy in material representation and lighting effects. This technique is based on the idea that different materials interact uniquely with light, and by limiting the range of wavelengths considered, greater control over the visual outcome can be achieved. Narrowband rendering is particularly useful in applications where visual fidelity is crucial, such as scientific simulations, architectural visualization, and visual effects in film and video games. Through advanced algorithms and lighting models, this technique allows for the simulation of complex optical phenomena, such as light scattering and reflection on rough surfaces, resulting in more realistic and detailed images. Additionally, the use of this technique can optimize performance in environments where computational resources are limited by reducing the amount of data processed compared to full-spectrum rendering.