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General Photography
Low Light & Night
Post your low light long exposures
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<blockquote data-quote="J-see" data-source="post: 404137" data-attributes="member: 31330"><p>I need to figure out what to do with ISO.</p><p></p><p>I had this idea that changing ISO changed the sensor's sensitivity to light but apparently that's not correct. It's not like film where a different ISO implied an actual difference in sensitivity to light. From what I read, the sensor remains as is regardless which ISO setting. The change in sensitivity is mainly a conversion where increasing the ISO doubles the photon count of a pixel, or halves it when going down a stop, while converting the signal to digital.</p><p></p><p>If that is true, it makes me wonder if I can't just as easy do in post what the cam does when changing ISO.</p><p></p><p>I guess I need to read up even more. It never ends.</p></blockquote><p></p>
[QUOTE="J-see, post: 404137, member: 31330"] I need to figure out what to do with ISO. I had this idea that changing ISO changed the sensor's sensitivity to light but apparently that's not correct. It's not like film where a different ISO implied an actual difference in sensitivity to light. From what I read, the sensor remains as is regardless which ISO setting. The change in sensitivity is mainly a conversion where increasing the ISO doubles the photon count of a pixel, or halves it when going down a stop, while converting the signal to digital. If that is true, it makes me wonder if I can't just as easy do in post what the cam does when changing ISO. I guess I need to read up even more. It never ends. [/QUOTE]
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Post your low light long exposures
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