What is Extend ISO vs Native ISO?

What is extended ISO and should you use it?

📧 LET'S CONNECT:

#photography

[bluegama]

I use it when I’m using manual focus to focus on the stars for Astro photography then I change it to a more reasonable iso

[Tristanks]

Anthony, the lighting in you videos is so perfect I want to implode in awe

[milomouse]

It’s not really every camera and the reason they don’t want you to use it is because it’s not true iso 50 so it would just be possible on post processing

[LahanKarunasinghe]

didn't know about it until you tell it

[WolferAlpha]

There's just one detail... this thing about the voltage applied to the sensor is only valid for base ISO and not for all, for those that are not base the "amplification" is done in the ADC (the electronic component that is the next step after the comparators), the extended ISO are applied in the creation of the file and not in the conversion of analog data to digital (this is information obtained through tests and may differ from the manufacturer's official data)

[josethevegan]

Great to know, thank you... Anthony! 🎉

[b]

cool. what about highlight tone priority?

[blenderfoto]

Noise levels are the same if you underexpose a photo by 5 stops and increase expose, and if you set your ISO to 5 extra stops. An exception is dual native ISO cameras. But no one should be scared of high ISO if it means getting a shot. The "H" ISO does roughly the same thing as any other increase in ISO, in terms of results.

[huzaifazkansa]

I believe iso is in night to absorbing lights and made photos become very beautiful in wedding night photos shooting yes these things or iso is searching lights in night to made looks beautiful when is no lights is present then iso is working in these situations.

[al_photography_]

But who tf even gets to these high ISO values. Like whats the point of using a „fake“ ISO of 200k

[Expired_Toaster]

I think this setting would also come with an unholy amount of noise

[hanfei]

I mean they put it on their manuals and all spec sheets

[davidhurtado]

So why bring it up? wtf this guy has to be bored