Imaging techniques

Over the last century, successive
breakthroughs in imaging technology
have transformed the way we see the
objects that surround us. From medicine to
engineering to weather forecasting, worlds
invisible to the naked eye can now be
observed. There are microscopes that can
take pictures of individual atoms, the
building blocks of matter. These are so small
that they have to be magnified 100 million
times to become visible. At the other end of
the scale, the almost perfect mirrors inside
the Hubble Space Telescope capture images
of dying stars in distant galaxies.


MACROPHOTOGRAPHY
.
Macrophotography makes a small subject,
such as this image of a human eye on a
liquid crystal display (LCD) screen, appear
life-size or greater. A special camera lens
with powerful magnification lets the
photographer focus from just a few
centimetres away. Macrophotography can
reveal details that are very difficult, or
impossible, to make out with the naked eye.
It is often used to make extreme close-up
pictures of plants and insects. Scientists can
also attach cameras to microscopes to
capture objects in even greater detail. This
technique is called photomicrography.

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