lens barrel

基本解释

The lens barrel is arranged on the lens holder top part.
所述镜筒设置于镜座顶部。
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THEN pull the focusing barrel out slightly, and the lens barrel can be swung over farther to the left, to get into the close focusing range.
然后轻轻将镜头的调焦筒拉出，镜筒就可以继续向左转动以获得更近的对焦距离。
The invention relates to a camera module, which comprises at least two groups of lenses, a lens barrel, a lens holder, an image sensor and a substrate.
一种相机模组，其包括：至少二组镜片、一镜筒、一镜座、一个影像感测器及一基板。
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Additionally, the WG-3's category defining Digital Microscope mode and six LED lights surrounding the lens barrel enable focusing as close as one centimeter from the subject producing bright, shadow-free macro images.
ENGADGET: Pentax expands ruggedized series with Optio WG-3, Target-exclusive WG-10
The WG-3's rugged design is enhanced by its folded optical zoom lens that reduces its vulnerability to moisture and dust while ensuring a compact and pocketable size without the protrusion of a lens barrel.
ENGADGET: Pentax expands ruggedized series with Optio WG-3, Target-exclusive WG-10
Additionally, it features a macro switching ring on the lens barrel which instantly shortens the minimum focusing distance to approximately 20cm (from image plane), allowing the camera to capture small, close-up subjects with exquisite detail.
ENGADGET: Sony's Cyber-shot RX1 compact camera packs a full-frame sensor, 'fits in your palm' (hands-on)