The 43-819 is a 2.50 mm diameter Sapphire Ball Lens, uncoated, sourced from the reputable optical components vendor, Edmund Optics. This lens, classified under the category of Ball Lenses, is characterized by its circular base shape and features a geometry with a diameter of 2.50 mm, inner radius of 0, and outer radius of 0.
The lens is constructed from Al2O3 (Sapphire) material, identified with the Material ID 'al2o3 mal-1972-n-o'. It is designed to operate at a specific wavelength of 587.6 nm. The lens does not have any coating applied to it, as indicated in the item data.
The weblink provided leads to the product page on Edmund Optics' website, where users can find more information about the lens, including its current stock status. This lens, with its specifications, could be an ideal choice for users seeking advanced optical components for their projects or applications.