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I literally have a 720nm lowpass infrared filter in front of me for use in photography. Infrared imaging is not "military", it's public, common, and legal.
by can16358p 5y ago
I literally have a 720nm lowpass infrared filter in front of me for use in photography.
Infrared imaging is not "military", it's public, common, and legal.
- dsl 5y agoI think what they meant is prior to the "digital farming revolution" if you called up a satellite/arial imagery company and requested anything other than visible spectrum, you'd not only get some strange looks - they'd also alert the government.