Sony had to nerf their night vision back in 2002 too <a href="https://youtu.be/5iENjlA2r94?t=199" rel="nofollow">https://youtu.be/5iENjlA2r94?t=199</a><p>Which is a real shame because IR photography can look awesome: <a href="https://www.google.com/?q=ir+photography&tbm=isch" rel="nofollow">https://www.google.com/?q=ir+photography&tbm=isch</a><p>Cameras usually have a "heat filter" against IR light. If the human can't see it you usually don't want it in your picture either. These cameras could flip the filter up and correct the now changed focus.