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Frequently asked questions

To properly clean and maintain optical bandpass filters, follow these general guidelines:
Handling: Always hold the filter by its edges to avoid fingerprints and scratches.
Cleaning: If the filter becomes dirty, you can use a blower to blow away any loose dirt or debris. For smudges or fingerprints, use a soft, lint-free cloth and a small amount of optical-grade solvent (such as isopropyl alcohol or acetone). Rub gently in a circular motion.
Storage: Store filter in a clean, dry, and safe environment. It is best to keep them in their original boxes to prevent dust accumulation and accidental damage.
Avoid Contact: Minimize direct contact with filter surfaces. Touched filters may retain skin oils, making them difficult to clean, and may affect filter performance.
Regular Inspections: Check your filter regularly for any signs of damage or wear.

Optolong offers color filters suitable for a variety of applications, including biomedical imaging systems, industrial inspection, life science instrumentation, machine vision, biomedical filters and lidar sensors.
These filters are designed to meet the specific needs of these different areas, enhancing imaging and detection capabilities.

The service life of optical low-pass filters can vary greatly depending on a number of factors, such as the quality of the filter, the environmental conditions in which it is used, and how well it is maintained.
Generally speaking, high-quality filters can last for several years if properly cared for and used under optimal conditions.