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A Short History Of The Camera - The Leaks Caught On Infrared Night Vision Camera!
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A Short History Of the Camera  -  The Leaks Caught on Infrared Night Vision Camera!

In the history of the camera, no development was as perhaps, untimely or late coming onto the scene, but when it did, the infrared night-vision camera took the science and medical world by storm with innumerable discoveries brought on by this amazing instrumentation. This article briefly explores the thermal world and how things appear in it.

What Is Infrared Light and Why Can't We See It?

Everything above absolute zero emits infrared radiation or light. This band of electromagnetic radiation in the spectrum resides just below red visible light. Being just outside, our eyes are not designed to see it. However we know infrared radiation is present because this is what we sense as heat. Even a solid ice cube emits infrared radiation. Certain animals have the ability to see ininfrared due to the demanding environments they live in and are thus equipped.

However, infrared radiation, also known as black body radiation, can be photographed, and represented in a spectrum of visible colors. Instead of a representation of the world in visible light, the thermographic camera assigns the frequency of colors to the ranges of infrared radiation. Incredible amounts of dark matter in space has been literally brought to light, bringing things into view that were never known to exist.

It is important to note that the prints, which often look like negatives, do not allow you to see infrared light, merely a visible light representation of it.

Thermographic Imaging Goes Into Service

In 1929 Kálmán Tihanyi came up with the first practical apparatus capable of displaying visible light representations of temperature. He invented the Evaporograph, which was extensively used until decommissioned in the early 1950s.

The greatest uses of thermographic imaging belongs, of course, to the military, which uses it to uncover stealth operations going on. Surveillance teams use it to track warm bodies in the black of night. Uses in science and technology are limitless, especially in the areas of medicine and disease-control.

What the Infrared Night-Vision Camera Means to Us Today...

For the criminal, well, these people are just not getting away with anywhere near the things they did with the thermographic cameras looking over their shoulders during nighttime hours for dastardly deeds.

It helps us isolate and fight disease and has helped in the way of far greater understanding of the human body since the microscope. It has also cut medical costs too.

We are using it today to gain a far greater understanding of the universe we live in. It’s a matter of continuing to reach into further expanses as our technology improves

Today we have a basic choice of purchasing cameras that are specially-designed and suited for thermographic applications. However, this is reserved more for the professional fields and not for amateurs. This is where the other choice comes in...

Versatility can be created by offering IR lenses that replace the standard one in cameras. It is an inexpensive, yet highly effective way of getting more out of existing camera equipment. There are actually cameras on the market today, on which IR lenses can be easily adapted.

To Recap on the Above:

  • We cannot see infrared light as a few select animals can.
  • Photography makes infrared light detectable because it uses visible light to represent it.
  • 1929 Kálmán Tihanyi built the first application, the Evaporograph, built for British Navy and was quickly utilized by many branches of science and medicine.
  • The term, “thermography” is loosely interchangeable with the term, “infrared photography,” though there are minor differences.
  • The thermographic camera has literally given us nocturnal vision!

Thermographic imagery is available for any enthusiast today, which come as accessories. Attachments instantly convert some of the best of today’s newest sports cameras into infrared night-vision cameras.

Street Talk

I love doing articles like this! I'm learning a LOT about the electromagnetic spectrum.

  about 8 years ago
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