The BP530 narrow bandpass lens filter is designed to pass light with a peak wavelength of 530 nm and a useful range between 500–560 nm, while blocking all other wavelengths. It uses the standard filter thread to mount directly on a machine vision lens. To ensure a secure fit and optimal performance in any machine vision setup, you can choose from multiple thread sizes to match your specific lens. BP530 Narrow Bandpass Filter: How It Works Narrow bandpass filters function by transmitting only a defined portion of the light spectrum while blocking all other wavelengths. In the case of the BP530 filter, light at a peak wavelength of 530 nm passes through with transmission exceeding 90%, while within the useful range of 500–560 nm, transmission remains above 80%. Specification Filter type Narrow Bandpass Peak wavelength 530 nm Peak wavelength color Green Useful wavelength range 500-560 nm Our BP530 Lens Filter is Available in Multiple Sizes Because lenses come in different sizes, the BP530 filter is available in several standard thread options, making it suitable for both compact and larger lenses. • 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 Want to use a C-mount (CMT) filter thread? Just fill out the form below to get instant access to the manual on how to mount it and see which lenses it’s compatible with! hbspt.forms.create({ portalId: "7372172", formId: "9b7a9007-56f1-47fe-8842-3e0b38317a2e", region: "eu1" }); BP530 Narrow Bandpass Filter Overview and Applications The BP530 bandpass filter is engineered to transmit light centered at 530 nm, effectively blocking all unwanted wavelengths outside its passband. This precise wavelength control improves image contrast, color accuracy, and measurement consistency across a broad range of optical systems. When tuned to a specific wavelength such as 530 nm, the BP530 acts as a color filter for monochrome imaging, allowing only the target color (green) to pass while suppressing adjacent and complementary wavelengths. A color lens filter operates on a subtractive principle—for example, a green filter keeps green tones bright while darkening opposing colors. In practical applications, combining a white-light or broad-spectrum illumination source with a BP530 filter isolates a narrow band centered around 530 nm. The result is greater contrast, clearer object differentiation, reduced stray reflections, and enhanced image stability. This makes the BP530 particularly effective for machine-vision inspections, where small variations in material, color, or surface texture must be detected reliably under variable lighting conditions. Typical Applications for the 530 nm bandpass lens filter • Green LED or laser lighting systems • Surface or defect inspection • Fluorescence or color-based imaging • Color inspection and contrast enhancement in green spectral range Compatibility of BP530 with Lenses and Cameras The BP530 filter can be mounted on the front of most machine vision lenses, as these lenses include a filter thread for attaching filters directly. If you are using a C-mount lens on a GigE camera or USB3 camera, the filter can also be placed inside the C-mount connection instead of on the front of the lens. This is useful when the lens does not have a front filter thread. The filter is installed between the camera and lens and stays fixed in the optical path, keeping alignment stable and image quality consistent. This makes the BP530 filter flexible for different setups and easy to integrate without changing your existing camera or lens. Key Benefits for BP530 Narrow Bandpass Filter: • High transmission at 530 nm • Strong blocking of out-of-band light • Improved image contrast and signal quality • Stable optical performance under varying conditions • Reliable results in precision imaging and measurement tasks Find the Right BP530 Narrow Bandpass Filter for Your Application Select the BP530 narrow bandpass lens filter in the thread size that fits your lens. For assistance choosing the right size or wavelength, contact our technical team.
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