1840年，摄影术再一次得到发展。

In 1840, photography was developed once more.

摄影术历史上的下一个重要日期是在1837年。

The next important date in the history of photography (摄影术) was in 1837.

他是摄影术的倡导者。

He was the pioneer of photography.

那么，到底是谁发明了摄影术？

There is much debate about who invented photography;

微摄影术有别于显微摄影术,后者是经显微镜而摄影的方法.

Microphotography should not be confused with photomicrography which is photography through a microscope.

这是一种从摄影术衍生而来的新技术.

This is a new technique that branched from photography.

本文介绍用散斑摄影术研究相位物体的一种方法。

A method for studying phase objects by speckle photography is presented.

正是摄影术的发明和摄影家们的工作，使瞬息万变的光影成为人类永久的传奇。

It is the invention of photography and photographers' efforts that make the light and shadow become the permanent legend of humankind.

因为他的贡献到野外，克里斯托夫是有名的在国家地理像国王一样的深海的摄影术。

For his contributions to the field, Kristof is known at National Geographic as the king of deepwater photography.

也就是说，现在每一天增加的照片数量，比摄影术发明之后的100年内所拍的照片数量加起来还要多！笑一个！

That's more photographs each day than were taken in the first hundred years after photography was invented. Say cheese!