TFA-20S05-4 20 x 20 mm N-BK7 Aluminum Flat Mirror λ/4; t=5mm

The TFA-20S05-4 is a high-quality metallic mirror, sourced from OptoSigma, designed with a rectangular base shape and a thin lens form. This mirror boasts dimensions of 20 x 20 mm, with a thickness of 5 mm, making it a compact yet robust option for various optical applications.

The mirror's surface is coated with a TFA aluminum coating, which has been enhanced with a magnesium fluoride (MgF2) layer, offering a reflection rate of 45%. This coating is specifically designed for the wavelength of 588 nm, ensuring optimal performance in its intended use.

The mirror is made from N-BK7 glass, a popular choice in the optical industry due to its excellent optical properties. This type of glass, from the Schott glass catalog, is known for its low dispersion and high Abbe number, making it ideal for applications that require high precision and minimal chromatic aberration.

The item data also indicates that this mirror is in stock and available for immediate purchase. For more detailed information or to make a purchase, users can follow the provided weblink, which leads directly to the product page on the OptoSigma website.