古董立式黄铜显微镜白底静物

竖幅长构图，纯白无缝背景，正面平视拍摄一台古董立式光学显微镜，主体垂直居中并几乎占满画面高度。顶部为黄铜色圆柱目镜套管，带黑色矩形开孔，下方接圆盘形黄铜肩部；中央为黑色长镜筒，两侧各有一组黄铜滚花调焦旋钮；中下部为圆形转盘，斜向伸出三个黄铜物镜筒；下方为银灰色圆形载物台和黄铜环形托座；底部为黑色粗壮立柱与弧形支架，底部安装圆形反光镜片，底座呈黑色。金属表面有细腻拉丝与氧化痕迹，黄铜呈暗金色，黑色漆面有高光，银灰部件偏亚光。均匀柔和的棚拍光线，无强阴影，白底无杂物，写实静物产品摄影，清晰对焦，高细节，画幅比例约1:3.75竖幅。

Vertical tall composition on a seamless pure white background, straight-on eye-level view of an antique vertical optical microscope, centered and nearly filling the frame height. Top: brass cylindrical eyepiece sleeve with a black rectangular opening, below a disk-shaped brass shoulder; central long black tube with a set of knurled brass focusing knobs on each side; lower middle: circular nosepiece with three brass objective barrels angled outward; below: silver-gray circular stage and brass ring mount; base: heavy black pillar with curved bracket and a round mirror/lens at the bottom, black foot. Fine brushed and oxidized metal surfaces, dark gold brass, glossy black paint highlights, matte silver-gray parts. Even soft studio product lighting, no harsh shadows, clean white background, realistic still-life product photography, sharp focus, high detail, aspect ratio about 1:3.75 vertical portrait.