The radiation flux distribution at the focalimage is experimentally determined by a photographic technique. using the sun and moon as the radiation sources respectively.
实验研究采用摄影法，分别以太阳和月亮为光源拍摄焦平面上的像斑。
2
Depending on the lens' focal length, the image will deform and affect how the image looks in photos.
根据镜头焦距的不同，图像会随之变形并且会影响最终的照片效果。
3
The company already has collected test pattern images that demonstrate telescope image quality and focal plane functionality.