The 05D620AL.2-PK is a pack of 10x 05D620AL.2 mirrors. The 05D620AL.2 is a ValuMax® UV Enhanced Aluminum Broadband Mirror 12.7 mm diameter, with a thickness of 3.1 mm, and flatness of λ/10. By taking advantage of advanced polishing techniques and our high volume manufacturing, ValuMax® mirrors are truly cost effective. This family of mirrors boasts six standard metallic and dielectric broadband coatings, covering the UV, visible, and IR; and are available in 12.7, 25.4 or 50.8 mm diameters utilizing Borofloat® 33 substrates. This mirror has a 40-20 surface quality and has an average reflectivity greater than 90% from 250 – 600 nm.