49-032 12.5 mm Dia. Traditional Coated OD 2.0 Longpass Filter; t=1.5mm 800nm

The 49-032 is a Longpass Filter, a type of optical filter that transmits wavelengths longer than a specified value, while blocking shorter wavelengths. This particular model has a diameter of 12.5 mm and a thickness of 1.5 mm, making it suitable for a wide range of optical applications.

The filter is manufactured by Edmund Optics, a leading supplier of optical components, and is identified by the catalog number 49-032. It is available for purchase directly from the vendor's website, where it is currently listed as in stock.

The 49-032 features a coating on both the front and back surfaces, identified as 'edm 49-032'. This coating is designed to enhance the filter's performance, ensuring efficient transmission of longer wavelengths and effective blocking of shorter ones.

The cut-on wavelength for this filter is 800 nm, meaning it begins to transmit light at this wavelength. The cut-off wavelength, on the other hand, is 0 nm, indicating that it blocks all wavelengths shorter than 800 nm.

This filter is shaped as a Thin Lens, a type of lens with a very small focal length compared to its diameter. This shape, combined with its other specifications, makes the 49-032 a versatile and valuable addition to any optical system.