Author Topic: Camera - is it IMX586?  (Read 210 times)

sup

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Camera - is it IMX586?
« on: October 14, 2020, 05:24:30 pm »
Planet announced the camera for Astro a while back to be 48MP from Sony. To me it sounds like the IMX586 model, so once again the true resolution is more like 12MP than 48 MP (https://www.nextpit.com/48-mp-or-not-look-at-sony-new-camera-sensor), but still a nice improvement over the Cosmo. Apparently, the final results can be quite different (and that is from phones that use an additional camera): https://www.notebookcheck.net/Sony-IMX586-Comparison-Review-Five-48-MP-smartphones-face-off-in-a-camera-duel.428434.0.html.

Do you think this is indeed the camera Astro will come with? And is there any hope it shoots decent pictures with the default settings, or will we need to wait for some hack like the lovely Shuntcap's GCam for Cosmo? https://www.oesf.org/forum/index.php?topic=35912?

Daniel W

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Re: Camera - is it IMX586?
« Reply #1 on: October 15, 2020, 02:46:39 pm »
Based on this Wikipedia page, and some web searches to verify, it might be either Sony IMX582, IMX586, IMX598 or IXM689, all of which are 48 mega-photosite sensors - with Quad Bayer filters, presumably for better noise reduction and dynamic range.

According to this Sony press release, the IMX586 can, in bright light (and with proper software), spatially resolve 48 million pixels (though with a bit blurrier color than with a classic Bayer filter). Reasonably, that's true for the other Sony sensors too.

That said, the 0.36" type Samsung S5K2X7 sensor in the Cosmo, should, on the hardware level, be able to spatially resolve 24 million pixels (lest Samsung is outright lying), though neither the stock MediaTek software nor shuntcaps adapted GCam, can (currently, anyway) make it output such images.

I think it's reasonable to regard the Cosmo sensor as optimized for 6 megapixel images and, by extension, the Sony sensors as optimized for 12 megapixel images. In my opinion, that's about right for a phone, as it allows 4K filming for those so inclined, while not creating unreasonably large files when taking photos with the default settings.

For special occasions, though, it would be nice if we could force the Astro camera to 48 megapixels. I am a bit afraid though, that the stock drivers will snap 12MP pictures and interpolate... :P

sup

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Re: Camera - is it IMX586?
« Reply #2 on: October 29, 2020, 02:13:42 pm »
Yes, I am also afraid so. Not sure how to communicate to Planet computers that they should deliver better software for the camera, they seem to be clueless about it :-(.

sup

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Re: Camera - is it IMX586?
« Reply #3 on: October 29, 2020, 02:14:16 pm »
I wonde if Shuntcap ordered an Astro. Because without him, we might be lost.