相机焦距测试

[2.5 秒] 24mm 焦距，中景正面平视镜头。她愉快地说道：“你好。让我们从 24mm 焦距开始。” [剪辑：2.5 秒] 过渡至 80mm 焦距，中景正面平视镜头。女孩向镜头挥手，微笑着说道：“这是 80mm。” [剪辑：2.5 秒] 过渡至 135mm 焦距，中景正面平视镜头。女孩原地旋转 360 度，然后看向镜头，微笑着说道：“这是 135mm。” [剪辑：2.5 秒] 过渡至 200mm 焦距，正面平视镜头。女孩开始时下巴微收，随后缓慢抬起下巴，面向镜头露出温柔的微笑。她真诚地微笑着说道：“这是 200mm。”

[2.5s] 24mm focal length medium frontal eye level shot. She speaks pleasantly, "Hi, there. Let's start with a 24mm focal length." [Cut: 2.5s] Transition 80mm focal length medium frontal eye level shot. The girl waves at the camera and speakls smiling, "and this is 80mm." [Cut: 2.5s] Transition to 135mm Focal length medium frontal eye level shot. The girl spins 360, then looks at the camera and speaks smiling, "and this is 135mm." [Cut: 2.5s] Transition to 200mm Focal length frontal eye level shot. The girl starts with her chin tucked slightly down then slowly raise her chin to face the camera in a gentle smile. She speaks with a gentle smile genuinely, "and this is 200mm"