视频中，一位年轻男子站在一扇木门前，手里拿着一个长焦镜头。他穿着灰色短袖衬衫，戴着眼镜和手表，表情专注地讲解着什么。背景是一栋建筑物的入口，门上有一个金色的牌匾，上面有中文文字。男子似乎在介绍或演示这个长焦镜头的功能和使用方法。
The video shows a person standing outside a building with a brick facade and a plaque on the wall. The individual is holding a large camera lens and appears to be explaining or demonstrating something about it. They are wearing glasses, a gray shirt, and a watch. The setting suggests an educational or informative context, possibly related to photography.
A man stands in front of a building with a brick and stone facade, holding a camera with a large lens in his hands. He is wearing a gray shirt and a watch on his left wrist. Behind him, there is a yellow sign with text and a logo, and a wooden door is visible. The man appears to be talking while occasionally adjusting his grip on the camera.