I am not familiar with the details, but I've been told that in this case ITAR is involved. Not sure if that's a better or worse reason than "Apple screws with supply chains"
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Replying to @rqou_
Indeed, it seems plausible that there's no demand for the ultra-low-quality sensors (thus them being overpriced), and that the medium- to high-quality ones only comply with ITAR when they're integrated in a product that restricts framerate in firmware...
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Replying to @RichFelker @rqou_
But that's utterly idiotic because anyone wanting to make weapons with the high-quality ones would just buy a cheap consumer product containing the sensor and rip it out.
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Replying to @RichFelker
I heard that some of these actually perform the limiting in the firmware deeply embedded in the sensor itself, but I have no further details.
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Replying to @rqou_ @RichFelker
Nope. My only thermal gear is unlocked 60fps and is very much export-controlled. I don't think the Boson 320 core is ITAR though, pretty sure it's considered dual-use and on the CCL instead.
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According to FLIR's website FAQ for the Tau2 and Quark sensors, the <9 FPS versions are still natively 30 FPS at both the sensor and host side interfaces, however the core discards 3 out of every 4 frames and replaces them with copies of the previous frame.
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So they're drop-in compatible with the full-rate sensor (since they spit out 30 fields per second) but comply with export restrictions regarding <9 FPS effective video output (since only ~8.3 frames per secon contain new data)
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Replying to @azonenberg @hackaday and
I came across a Chinese manufactured TI camera for iphone/Android the other day that was hires and hi frame rate...and not ITAR controlled because it wasn't US sourced... wish I could find the brochure now...
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Replying to @whatuptkhere @azonenberg and
Well.... this is the company's site... I can't see the hi-res phone add-on camera, but the lo res one is here http://www.magnity.com.cn/product/id/7.html … but 17um 640x480 25Hz here http://www.magnity.com.cn/product/id/8.html … and 14um 1024x768 25Hz here http://www.magnity.com.cn/product/id/1.html … These are above ITAR limits
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Nice. WIsh they had something more compact/practical for attachment to phone/tablet or embedded.
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