Infrared Cameras – Can You Really See Through Walls? –


e3-nc.com/2009/09/infrared-cameras-can-you-really-see-through-walls

These are just a few of the items that the thermal camera can be used for around the home. Depending on the applications, the camera may be able to be used to “see ...
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IR InformIR: Can IR cameras see through walls?

irinformir.blogspot.com/2009/08/can-ir-cameras-see-through-walls.html

2 posts ·
By Gary Orlove ·
Published 28/08/2009

28/08/2009 · Here is a question recently asked me by a student. "I recently purchased the FLIR SD camera and took your training course which had a lot of valuable ...

This is one of those objects that you can call anything you like within reason, as long as people understand it. "Liner" would be an alternative to "ring".

I think they're meant to seal the camera lens