△有 可变光阑 ( iris diaphragm )及节能/高功率两档开关 △加配接头后可直接装配于各种显微镜的物镜上作照明之用，环形结构可空出较大的工作空间
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Iris diaphragm objective 带虹彩光阑的物镜 ; 带虹彩光阑物镜
field iris diaphragm 将视场光阑
iris-diaphragm 虹彩器
aperture iris diaphragm 释义孔径虹彩光阑
field iris diaphragm ring 释义视野可变光阑环
aperture iris diaphragm ring 释义孔可变光阑环
iris diaphragm objectie 带虹彩光阑的物镜
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N an adjustable diaphragm that regulates the amount of light entering an optical instrument, esp a camera. It usually consists of a number of thin metal leaves arranged so that they open out into an approximately circular aperture 虹彩光圈 (Sometimes shortened to iris)
Built-in optical system and adjustable iris diaphragm with clear image.
内置式显微光学系统及光栏，像质清晰。
The light can be reduced by means of the iris diaphragm until the rulings stand out clearly against the background.
光可以通过虹膜光圈减弱直到划得格子在背景中再次清晰可见。
Objective To summary the clinical results of the artificial iris diaphragm (AID) implantation for silicone oil support eye.
目的总结硅油支持眼的人工虹膜膈植入的临床效果。
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