The 05D620ER.1-PK is a pack of 10x 05D620ER.1 mirrors. The 05D620ER.1 is a ValuMax® Enhanced Aluminum Mirror with a diameter of 12.7 mm, 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 is coated for 450 – 700 nm.