Built-in zoom lens, night vision distance of 50 meters;

内置变焦镜头，夜视距离达50米；

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Built-in night vision products into the lens, night vision distance of 50 meters;

内置进品夜视镜头，夜视距离达50米；

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Pronghorn, dependent on distance vision and speed to keep safe from predators, traverse high, open shoulders of land, where they can see and run.

叉角羚依靠远距离视觉和速度来躲避捕食者，它们在开阔的高地上穿行，在那里它们能看见东西并追逐它们。

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The RAIB also said it appeared that Mr Mackay was not wearing spectacles to improve his distance vision as he was advised at eyesight examinations in 2006 and 2009.

BBC: Eyesight 'a cause' in fatal crash at level crossing

However, the RAIB also said Mr MacKay may not have seen, or had misinterpreted, the warning lights at the level crossing and appeared not to have been wearing glasses to improve his distance vision.

BBC: Angus and Margaret MacKay

We were walking on the recently created Abraham Path, Turkey's newest trekking route and the northernmost section of an ambitious vision begun in 2008 to create a long-distance trail through the Middle East based on the journey of the Prophet Abraham.

BBC: Echoes of an ancient land along Turkey's Abraham Path