名词
中文翻译：快门环槽直径
同义词：
['快门环槽直径，快门环槽直径，快门环槽直径']
例句：
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1.The camera's snap ring groove diameter is 20mm, which is suitable for most lenses.
相机的快门环槽直径为20毫米，适用于大多数镜头。
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2. The new lens has a larger snap ring groove diameter than the old one.
新镜头的快门环槽直径比旧镜头大。
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3.The photographer used a special lens with a smaller snap ring groove diameter to achieve a more shallow depth of field.
摄影师使用一种特殊镜头，其快门环槽直径较小，以实现更浅的景深效果。