名词
中文翻译：手动镜头
同义词：
['manual focus', 'manual focus lens']
例句：
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1.The camera has a manual focus feature that allows you to adjust the focus manually.
这台相机有一个手动对焦功能，可以让你手动调整焦点。
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2. In photography, a manual lens is used when the autofocus system fails to capture the subject.
在摄影中，当自动对焦系统无法捕捉到主体时，会使用手动镜头。
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3.Manual lenses are often preferred for their ability to provide more control over the image quality.
手动镜头通常被偏爱，因为它们能够提供更高质量的图像控制。