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Old 25-07-2016, 05:43 PM
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LightningNZ (Cam)
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Join Date: Oct 2011
Location: Canberra
Posts: 951
Quote:
Originally Posted by thegableguy View Post
No no, I get that - I was wondering why you'd use ISO 1600 for 60 seconds instead of ISO 800 for 2 mins or ISO 400 for 4 mins. Perhaps because it's first light and you just wanted enough for a decent test...? I'd love to use lower ISOs and longer subs but I'm shooting unguided, so not an option.
You're shooting with a Nikon so using a lower ISO is fine, but they are using a Canon with a large read noise, so shooting at 800-1600 is helpful to overcome the read noise and get the best image possible.
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