The 010-1226E is a Plano-Concave Curved Window with a diameter of 25.4 mm, manufactured by EKSMA Optics. This window is designed for use with a wavelength of 588 nm and is made from UVFS material, specifically identified as UVFS MAL-1965.
The window's geometry features a thickness of 6 mm at the edge, with a spherical shape and a radius of curvature (R1) of -2500. The effective focal length (EFL) of this window is 5453.18 mm.
This window does not come with any coating, making it uncoated. The provided weblink leads to EKSMA Optics' website, where you can find more information about this product, including its availability and pricing.