This product is ideal for watching match, concert, travel, animal observes fans, reporters shoot remotely, forestry manages, port dispatcher of the railway, traffic administrative department to collect evidence, public security organs to enforce the law and collect evidence. Moreover, the new design to run of rays can effectively avoid the contortion of image, and makes the super wide angle, the larger luminous flux, the higher visual acuteness, good for color reduction, which makes the high quality of photography.