Aiming at focusing-type solar simulator. the paper researches the relationship between the defocusing amount and the facula irradiance. With the optical system of focusing-type solar simulator as research object. simulation is conducted based on a short-arc xenon lamps and its ellipsoidal condenser. https://www.getpureroutine.com/top-deal-chromasilk-7-35-7gm-golden-mahogany-blonde-online-sale-best-super/