KUPO Optics' Neutral Density Filters are a testament to optical excellence, offering an essential solution for professionals in photography, microscopy, and machine vision. These precision-engineered filters uniformly reduce the intensity of visible light across the spectrum without altering the color balance, thus preserving the vividness and authenticity of images. The range, labeled from NDF-001 to NDF-004, caters to diverse lighting conditions, with each filter providing a specific level of light attenuation to suit various photographic and observational needs.