While there is no optical zoom, a 4x digital zoom is standard. Electronic image stabilization also helps correct the traditionally shaky video common to pocket cameras.

不过这款口袋摄像机不具备光学变焦功能，只支持4倍数码变焦。另外产品还内置了电子防抖功能。

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Absolute measurement and foundation of standard optical surface.

标准光学面形的建立与绝对检验。

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A new optical attenuation standard device developing based on coherent detection principle is presented.

介绍了一种新的建立在相干检测原理上的光衰减标准。

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Both new members of the CE line feature those standard 3x optical zooms that have become so tiresome along with 2.36-inch TFT LCDs (no viewfinder here), while the 5300 sports a 2.0-inch LCD and seemingly no optical zoom.

ENGADGET: Three more digital cameras from Acer

It has a proprietary system for encoding 2D and 3D video using occlusion, which is delivered to standard panels that have been retrofitted with its optical glass sandwich to bring the spec-less 3D illusion to viewers.

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The 2x optical zoom is equivalent to a 32mm-64mm lens on a standard 35mm camera, and a 3x digital zoom will help the shutterbug zero in on faraway details.

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