The 14-098 is a 50 x 50 mm SCHOTT NG9 Gray Glass Neutral Density Color Filter, designed for use in the 400-700nm wavelength range. This filter is sourced from Edmund Optics, a leading vendor in the optical industry, and is available for purchase through their website.
The filter is of the Color Glass type, specifically designed to absorb a portion of the light within the specified wavelength range, thereby reducing the intensity of the transmitted light. This filter is rectangular in shape, with a thickness of 1mm, making it suitable for a wide range of optical applications.
The 14-098 filter features a front and back coating of edm 14-098, which enhances its performance and durability. The cut-on wavelength is 400nm, and the cut-off wavelength is 700nm, providing a broad range of operation.
The physical data of the filter is also noteworthy. It has a width of 50mm and a height of 50mm, making it a square filter. The shape of the filter is thin lens, which is a common shape in the optical industry due to its versatility and ease of use.