Winner99 is this instrument specially used for anglyzing particle size and shape. It gains the particle information through elaborately designed optical microscope and professional lens of camera.It tests particle size, distribution and paricle shape characteristics by adopting the technology of image analusis with computer. The instrument has outstanding characteristics including easy operation, clear image,intuitional test, high resolution (high as 0.1um/picture element)and extensive application,etc. It can be used in colleges, universities, research institutes and large and midium-sized enterprises for new products developing, guality and technology controlling.