视频中，一个人正在展示和操作一台相机及其配件。他左手拿着一个黑色的环形物体，右手则握着一台带有镜头的相机。随着视频的进行，他将左手的环形物体逐渐靠近镜头，并最终将其安装在镜头上。背景模糊，主要聚焦于手部动作和相机细节。
The video shows a person holding a camera in their left hand and a lens adapter in their right hand. The adapter is being held up closer to the camera, likely to demonstrate its features or how it fits onto the camera. The person appears to be explaining or showcasing the adapter, possibly for instructional or review purposes. The background is blurred, focusing attention on the hands, the camera, and the adapter.
A person holds a camera in their left hand and a lens cap in their right hand, showing the lens cap to the camera. The person rotates the lens cap, revealing the text 'ZEISS' and 'FE 2.8/35' on it. The background is a plain wall, and the table in front of the person has some small objects and tools.