Three Quick Questions vs The Enjoyment of Photography

Started Jan 2, 2013 | Discussions thread
richarddd
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Re: Three Quick Questions vs The Enjoyment of Photography
In reply to Great Bustard, Jan 2, 2013

1) Some are interested in technical information for its own sake.

2) For others, there should be practical implications.  The practical implication of the entire equivalence issue comes into play when you are deciding between cameras with different sensor sizes and might have believed there are differences that don't actually exist.

3) In that thread you said "Except the ISO setting doesn't change the "sensitivity to light" -- it merely applies a gain to the signal, which we can do in post just as well as we can in camera. The advantage of changing the ISO in-camera is that higher ISOs result in less read noise than lower ISOs for many sensors"

For the E-M5, you can not do it in post just as well as in camera. Boosting ISO in camera works better up to about ISO 1600 compared to processing in post.  I started a thread on this subject recently.

That seems a more practical bit of info than a question which turns on whether one is using the dictionary meaning of exposure or a meaning in common usage.

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