The 14-539 is a 50 x 50 mm SCHOTT RG850 Black Colored Glass Longpass Filter, designed to cut on at 850nm and with a cut off of 0. This filter is sourced from Edmund Optics and is available for purchase through their website, where it is currently listed as in stock.
This filter is a Color Glass type, featuring a rectangular base shape and a thickness of 2mm. The material ID for this filter is UVFS MAL-1965. The filter's coating is applied to both the front and back, and it is shaped as a Thin Lens.
The wavelength for this filter is 588nm, and it is designed to be used in applications where longpass filtering is required. The SCHOTT RG850 Black Colored Glass is known for its high-quality performance and durability, making it a reliable choice for a variety of optical applications.
For more detailed information, including technical specifications and purchasing options, please refer to the vendor's website using the provided weblink.