最近,奥图码发布了一款面向商用与教学市场的短焦型投影机EX610ST。短焦,是一种可以在较短的投影距离内投射出更大画面的投影技术,通常应用在教育投影机型,短焦投影机与交互式电子白板搭配是教学应用解决方案,根据投影机短焦能力的不同,短焦投影又 Most recently, Optoma released the EX610ST, a short-throw projector for the commercial and educational markets. Short focal length, is a projection technology can project a larger screen in a shorter projection distance, usually used in educational projector models, short focal projector and interactive whiteboard with teaching application solutions, according to the projector Different short-focus ability, short-throw projection again