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<blockquote data-quote="J-see" data-source="post: 404584" data-attributes="member: 31330">I did it to check how many more stars my ISO increase would grab but in reality, the sensor grabbed exactly the same light during all ISO settings. When I normalize all so the skies are about equally processed (taking care to not hide stars), they show about the same amount.The only thing I increased with the ISO was my problems afterwards.I never gave it much thought since you're used to the film's ISO being an indication of sensitivity to light and that maybe got too easily adopted to explain the ISO function of digital cams but somewhere on the road, many dropped &quot;the equivalent of&quot; and it became the ISO defines the sensitivity of the sensor. I was under the impression it actually changed the sensitivity.If you're in an ISO situation, give it a try and see what the cam + post can do and which of both works best or delivers the best quality. What the D750's sensor does not necessarily is the same for all. The technical part however works similar.</blockquote>

[QUOTE="J-see, post: 404584, member: 31330"] I did it to check how many more stars my ISO increase would grab but in reality, the sensor grabbed exactly the same light during all ISO settings. When I normalize all so the skies are about equally processed (taking care to not hide stars), they show about the same amount. The only thing I increased with the ISO was my problems afterwards. I never gave it much thought since you're used to the film's ISO being an indication of sensitivity to light and that maybe got too easily adopted to explain the ISO function of digital cams but somewhere on the road, many dropped "the equivalent of" and it became the ISO defines the sensitivity of the sensor. I was under the impression it actually changed the sensitivity. If you're in an ISO situation, give it a try and see what the cam + post can do and which of both works best or delivers the best quality. What the D750's sensor does not necessarily is the same for all. The technical part however works similar. [/QUOTE]

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