Sony projector EX241, Sony VPL-EX271 uses Sony's unique BrightEra inorganic alignment film chip technology, with 3700 lumens. The clear details, good saturation and bright color reproduction created by 3LCD technology make the new product have a commendable image projection effect. At the same time, the new product can easily project large-size images. The Sony VPL-EX271 is equipped with a 1.6x manual zoom lens, which can effortlessly project a 140-inch large screen to meet the daily teaching needs of various medium and large classrooms. Mini Centrifuge,Mini Spin Centrifuge,Vwr Mini Centrifuge,Mini Centrifuge Machine Zenith Lab (Jiangsu) Co.,Ltd , https://www.zenithlabo.com