Space/Science — HabitableZone

Space/Science » in reply to ISS from the ground

Re: ISS from the ground

Being a picture taker and not a photographer, I don’t understand some of the terms in this article. It says using the digital camera set to ISO-100. Could someone here explain to me what ISO-100 means? I see it on my digital camera where I can set it to Auto, 100, 200, or 400. The instruction manual says 400 is more sensitive than 100. Is this like the film speed of the ASA system?

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