The Oplin U-RLAS illuminator is a reflected light upgrade accessory suitable for Olympus CX and BX upright microscopes. It is equipped with a polarizer and analyzer slot, supports bright field BF and dark field DF observation modes, and uses the third-generation critical illumination system with imported LED lights as a constant color temperature light source, which can instantly upgrade ordinary biological microscopes to professional metallographic microscopes. It can perform high-resolution observations on metallographic, petrographic and semiconductor samples, with a uniform illumination field. It can be used to upgrade various models of fuselages such as CX23, CX33, CX43, BX43, BX53, and can be installed and used in 5 minutes. There are also high-end industrial objective lenses with various magnifications, resolutions, and working distances, as well as manual and electric objective turntables that can be selected. Please feel free to consult.