3 Things Most People Don’t Know about Thermal Imaging – DSLRPros Official Blog
As a professional or amateur in the field of photography, knowing the newest technologies as well as the most advanced technologies can make all the difference in your creative and professional work. Whether you are a wedding photographer or living our your dream by shooting your own independent film, understanding thermal imaging can make all the difference.
1. What is Thermal Imaging?
To most people, the term “thermal imaging” sounds like something out of Star-Trek, or something that they use for covert military operations. However, it is a technology that everyone could use to improve their photography and camera work.
- Focused light: special camera lenses pull the infrared light that is emitted by the objects you’re aiming for. This focused light is then scanned by infrared detector elements.
- Detector elements: These elements that scan the focused light create detailed temperature patterns called thermograms that are obtained from thousands of different viewpoints.
- Speed: most thermal-imaging devices sense temperatures from -4 oF to 3,600 oF and can scan at a rate of 30 times per second!
2. Different Technologies = Different Results
So where does that put you as a photographer or filmmaker? What technology do you need to use? Here are the two different kinds:
- Uncooled: These are the less expensive and are much more common for photographers. The system is quiet and scans the light at room temperature. This kind of technology is great for more rugged use if you’re going to be shooting on uneven terrain or taking lots of pictures at night.
- Cryogenically cooled: This more expensive and more advanced technology may not be for the rookies, but for those wanting to see a difference as small as 0.2 oF from over 1,000 ft away!
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