1. Realiable:Quality and Competitive Price 2. Material: Optical Glass-K9 3.external ... requirements.Right angle prisms, Dove prism, Roof prisms, Penta prism, Half-pentagonal prism, Wedge prisms, Corner cube prism, Cube prism, etc. Many types of prisms ... separation for spectroscopic tuning a laser output. 1.Advantage: hight quality, reasonable price, good service,eco-friendly 2.Accept OEM design ...