指针式万用表产品展示

写实产品摄影，高角度正面微俯拍。纯白无缝背景。主体为一台复古指针式万用表。黑色长方形塑料外壳，顶部有同色提手。正面透明表盘，内有密集的红色和黑色弧度刻度线及黑色指针。中下部为一个醒目的黑色圆形拨盘旋钮，周围印有白色量程数字和符号。底部左侧有三个白色矩形按键，右侧有一个黑色小旋钮，最下方有两个接口，分别连接红色和黑色测试表线，线缆盘绕在白色背景上。均匀明亮的棚拍光线，表盘有轻微反光，画面清晰锐利，画幅比例 3:4。

Realistic product photography, high-angle frontal slightly downward shot. Pure white seamless background. The main subject is a retro analog multimeter. Black rectangular plastic casing with a matching handle on top. Transparent display panel on the front with dense red and black curved scale markings and a black pointer. In the lower middle is a prominent black circular dial knob surrounded by white range numbers and symbols. On the bottom left are three white rectangular buttons, and on the right is a small black knob. At the very bottom are two jacks connected to red and black test leads, with the cables coiled on the white background. Even and bright studio lighting, slight reflection on the dial, clear and sharp image, aspect ratio 3:4.