The Longpass Lens Filter 580 nm is designed to transmit wavelengths above 580 nm, providing a useful spectral range from approximately 566–1100 nm while strongly blocking shorter wavelengths. It mounts directly onto machine vision lenses using standard filter threads. By suppressing unwanted light below the cutoff point, the filter improves image contrast and enhances the visibility of features, even in complex or mixed-light conditions. Multiple thread sizes are available to ensure a precise fit for a wide variety of lenses. How Longpass Lens Filter 580 nm Works A longpass filter blocks light below a defined cutoff wavelength and allows light above that point to pass. For the LP580, wavelengths above 580 nm are transmitted efficiently, while wavelengths below ~566 nm are strongly suppressed. Because the filter passes light from the red region into the near-infrared (NIR), it is ideal for imaging systems operating under broadband lighting, multispectral, or NIR-enhanced illumination. Specification Filter type Longpass Useful wavelength range 566-1100 nm 580 nm Longpass Filter Applications The LP580 filter passes wavelengths above 580 nm over a wide spectral band that extends into the NIR region. By eliminating blue, green, and shorter yellow wavelengths, it enhances contrast and improves signal consistency when imaging with white LEDs, tungsten lamps, multispectral lighting, or other broad-spectrum sources. This performance makes the LP580 a strong choice for machine vision, inspection systems, laboratory imaging, and applications that require controlled wavelength isolation. Typical Applications for Longpass Lens Filter 580 nm • Suppression of blue, cyan, and green wavelengths • Imaging under white, red, or NIR illumination • Material, print, and surface inspection • Vision systems operating in mixed or variable lighting What are the advantages? • High transmission above 580 nm • Strong blocking of shorter wavelengths for improved contrast • Enhanced detail visibility in camera images • Stable performance across diverse lighting conditions • Supports precise, repeatable imaging in industrial workflows Longpass Lens Filter 580 nm Lens & Camera Compatibility Most machine vision lenses include a front filter thread, allowing the LP580 to be mounted directly in front of the optics. For systems using a C-mount lens on a USB3 camera or GigE camera, the filter can also be fitted within the C-mount interface. This option is especially helpful when the lens has no front filter thread. Positioning the filter between the lens and camera ensures proper optical alignment and maintains consistent imaging performance without requiring mechanical changes to the system. The LP580 is versatile and integrates easily with a wide range of optical configurations. Available Thread Sizes and Mechanical Options To support a wide range of lens models, the LP580 is offered in numerous industry-standard thread sizes: - C-mount filter - 0.5 thread (pitch): M22.5×0.5, M25.5×0.5, M27×0.5, M30.5×0.5, M34×0.5, M35.5×0.5, M37×0.5, M37.5×0.5, M40.5×0.5 - 0.75 thread (pitch): M37×0.75, M43×0.75, M46×0.75, M49×0.75, M52×0.75, M55×0.75, M58×0.75, M60×0.75, M62×0.75, M67×0.75, M72×0.75 If you plan to use a C-mount (CMT) filter thread, complete the form below to receive instant access to the installation guide and lens compatibility information. hbspt.forms.create({ portalId: "7372172", formId: "9b7a9007-56f1-47fe-8842-3e0b38317a2e", region: "eu1" }); Order LP580 Longpass Filters Select the Longpass Lens Filter 580 nm in the thread size you need. If you need help choosing the correct cutoff wavelength or mechanical size, our team can assist.
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