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I wonder what the performance will be with such a small sensor and aperture. Usually FLIR scopes have massive apertures to collect as much light as possible. Me
by Manuel_D 4y ago
I wonder what the performance will be with such a small sensor and aperture. Usually FLIR scopes have massive apertures to collect as much light as possible. Medium wave infrared signals are extremely weak compared to visual light, and so sensors either have to be cryogenically cooled to allow for large gain with little noise or a large aperture to collect enough light. Or better yet, both.
- marmetio 4y agoProbably works the same as every other device that uses the FLIR lepton 3.5.
- fisherjeff 4y agoThis is LWIR and it’s probably pretty low f-number (guessing f/1) but super short FL so doesn’t need all that large of an aperture.
- LWIRVoltage 4y agoSomeone else already pointed out this is LWIR, not Mid wave(I look forward to the day we get cheap MWIR cameras! We'll be able to see heat trails behind jets- and gasses like no tomorrow- you tend to see through 95% of the with LWIR) But large apertures? Are you thinking of the longer wavelength? For near infrared, this is a thing- and other night optics....and things like NVGs which use Near infrared But, this isn't ...a thing for MWIR/LWIR, and not necessarily for SWIR either The reason not ALL thermals have to be cryogenically cooled- is microbolometers - that's the key. - I own a bunch of uncooled LWIR cameras, that i use- and NVGs as well