I was also a fan of leaving the shutter open for ages to compensate for poor light, but was frustrated by noise. Someone told me it was the long exposure and heat effects. After I bought more light, shooting at the same ISO rating, for less time, things got less noisy.
Depending on the camera you can turn long exposure noise reduction on/off. Sometimes this involves a 'dark frame' that the camera takes to equalise the noise.
Posted : 10/10/2013 11:16 pm
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