视频展示了一只手拿着一个黑色的相机镜头。镜头被放置在一个深色的平面上，镜头上有一些白色的数字和字母标识，显示了焦距和其他参数。手部动作主要是调整镜头的位置，使其稳定地放在平面上。背景简洁，主要聚焦于镜头和手部的动作。
The video shows a close-up of a hand holding a camera lens. The lens is black and appears to be a professional-grade piece of equipment, likely designed for high-quality photography or videography. The hand gently rotates the lens, showcasing its various features and markings, including focal length indicators and aperture settings. The background is a plain, dark surface, which helps to highlight the details of the lens. The overall focus of the video is on the lens itself, emphasizing its design and functionality.
A hand is seen holding a black camera lens and gradually lowering it onto a dark, textured surface. The lens, which has markings indicating 'FE 2.8/16-35 GM,' is carefully placed down until it is resting on the surface.