translation.en: It made it possible for us to take close-up pictures of people 100 kilomteres away, like this one.  People called us and asked, how is this man doing?
translation.zh: 我们当时就用它来拍摄人物特写， 这些人在100公里开外。。。 比如像这个镜头。 大家都打电话问我们，这家伙现在还行吗？