86-640 12.5 mm Dia. Hard Coated OD 4.0 25nm Bandpass Filter; t=3.5 mm 400nm

The 86-640 is a Bandpass Filter with a diameter of 12.5 mm, sourced from the reputable vendor Edmund Optics. This filter is specifically designed for use with a central wavelength of 400nm, making it ideal for applications that require precise filtering within this range.

The filter boasts a hard coating on both the front and back surfaces, denoted as 'edm 86-640'. This coating enhances the filter's durability and resistance to wear and tear, ensuring long-lasting performance. The filter's geometry is defined by a thickness of 3.5 mm and a diameter of 12.5 mm, providing a robust and compact design suitable for various optical setups.

The 86-640 features a Cut-On wavelength of 387.5nm and a Cut-Off wavelength of 412.5nm. These specifications, combined with the Central Wavelength, allow for precise filtering and blocking of unwanted wavelengths. The filter's Sub Type is Bandpass, indicating that it allows transmission of light within a specific range of wavelengths while blocking light outside this range.

The filter's Base Shape is Circular, and it is identified by the Material ID [uvfs mal- 1965]. This unique identifier can be used for further reference and cross-verification with the vendor's catalog. The filter's Shape is Thin Lens, suggesting that it is designed to minimize optical aberrations and distortions.

The filter's current status is 'Valid - in stock', as indicated by the Weblink Status. This means that it is readily available for purchase and use in your optical projects. For more information and purchasing options, please visit the provided Weblinks.