13-261 50 mm Dia. Hoya ND-0.3 Absorptive Neutral Density Filter; OD 1 750-1550nm

The 13-261 50 mm Dia. Hoya ND-0.3 Absorptive Neutral Density Filter is a high-quality optical component designed for use in the near-infrared (NIR) spectrum, specifically between 750 and 1550 nanometers. This filter, sourced from the reputable vendor Edmund Optics, is a Neutral Density Filter, which means it reduces the intensity of light without altering its color composition.

The filter has a base shape of a circle, with a diameter of 50 millimeters and a thickness of 1 millimeter, making it suitable for a wide range of optical applications. It features a coating on both the front and back surfaces, identified as 'edm 13-227'. This coating is designed to enhance the filter's performance in the NIR spectrum.

The material ID for this filter is 'uvfs mal- 1965', indicating its specific composition and properties. The filter's wavelength is 588 nanometers, further emphasizing its suitability for NIR applications. The geometry of the filter, including its diameter and thickness, is designed to provide excellent optical performance while maintaining a compact profile.

This filter is designed with a 'Thin Lens' shape, which is often preferred in optical systems for its minimal impact on the overall optical path. The catalog number for this item is '13-261', and it is currently in stock, according to the vendor's website.