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The telescope replaces the eye's nature lens and can provide an image that is magnified by almost three times.

这种望远镜取代眼睛的瞳孔，提供可放大三倍的图象。

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It was taken by James Clerk Maxwell by photographing the ribbon three times - each time with a different color filter over the lens.

它是由詹姆斯·克拉克·麦克斯韦通过三次拍摄同一缎带得到的-每次在镜头上用不同的彩色滤光片。

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For three months after Simon's death, I worked day and night on my diamond lens.

VOA: special.2009.07.25

With three glass lens elements in three groups, it can be used as a wide-angle lens equivalent with a single focal length of 30mm (35mm camera equivalent).

ENGADGET: Olympus E-PL5 and E-PM2: Micro Four Thirds cameras with OM-D-like focusing, performance boosts (hands-on)

What does he see Word Lens offering in three years time?

FORBES: Hot, New 'Word Lens' App Is Founder's First Project In Augmented Reality

In subsequent programmes Hardeep visits Glasgow and Leicester before reflecting on what he's learnt about culture and faith in the UK through the lens of these three cities.

BBC: Great British Faith: across Cardiff's communities