Artist Luke Jerram has created a wedding ring featuring a built-in lens and a transparent slide of the creator and his bride (see photo).

一位名叫卢克·杰拉姆的艺术家日前创造出一枚可以"储存记忆"的结婚戒指。 这枚戒指内置有镜头和透明幻灯片，即杰拉姆和他新婚妻子的照片(见图)。

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A push button extends into the end ring and has a lens cap.

一个按钮伸进该端环，并具有一个透镜盖。

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In this paper, the techniques for lens fixing are analysed. A technique for lens fixing by adhesion is proposed to substitute the traditional methods by rimming and gland ring.

本文对透镜固定技术作了分析，提出了以透镜粘接固定法代替传统的包边法和压圈固定法。

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The camera also includes features that should appease more-advanced users, such as a dedicated mode dial, a versatile lens ring control, a top ISO sensitivity of 25, 600 and a 6 frames-per-second burst mode.

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It also features a number of metallic accents, including the lens ring, to further complete the tasteful, high-class finish down to the fine details.

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If the lever is placed at an angle, the ring around the lens switches to digital control to change exposure-related settings quickly and easily.

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