86-649 12.5 mm Dia. Hard Coated OD 4.0 25nm Bandpass Filter; t=3.5 mm 850nm

The 86-649 is a Bandpass Filter with a diameter of 12.5 mm, sourced from the reputable optical components vendor, Edmund Optics. This filter is specifically designed for use with a central wavelength of 850nm, making it suitable for applications that require precise filtering within this spectrum.

The filter boasts a hard coating on both the front and back surfaces, denoted as 'edm 86-649'. This coating enhances the durability of the filter, providing resistance to wear and tear, and ensuring longevity in its performance.

The physical data of the filter is equally impressive. It has a cut-on wavelength of 837.5nm and a cut-off wavelength of 862.5nm, with a center wavelength (CWL) of 850nm. This means that it allows light within the specified range to pass through while blocking out unwanted wavelengths, thereby enhancing the overall quality of the optical system.

The filter's geometry is another notable feature. It has a thickness of 3.5 mm, which is crucial for maintaining the integrity of the optical system and ensuring optimal performance. The filter's base shape is circular, and it is designed to fit a Thin Lens, making it a versatile component in various optical setups.

The filter is currently in stock and available for immediate use. For more information, you can refer to the vendor's website through the provided weblink.