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228 The “Recording” (Camera icon) Menu Settings

your stress!) (And the Fireworks Scene mode the camera offers is no better
– in fact, you can’t disable Long Exposure Noise Reduction in that mode!)
If that describes you, just turn this feature off. Advanced users will take
just one dark frame manually, and then do some post-processing on their
computer later on to achieve the same noise-reduction effect. (I do show
two noise reduction techniques using NeatImage and Lightroom, and the
whole shebang is described in Section 14.8.)
Note that the Noise Reduction function will not work when the camera is
set to Continuous Advance or any sort of bracketing mode (including
sweep panorama).

5.29 HI ISO NR

Menu Position MENU  6  High ISO NR

What it Does Allows you to specify the amount of in-camera noise
reduction when shooting .jpg’s at ISO 1600 or higher

Recommended Setting Normal

Constraints Not selectable when you’re shooting RAW only

Noise is a fact of life, and the higher the pixel density, the more you will
get. That’s just the laws of physics for this kind of sensor technology.
Most cameras try to minimize it in their .jpgs algorithmically, by smoothing
over the noise artifacts, reducing noise at the expense of detail. That’s the
tradeoff. And even though the amount of noise this sensor produces is
lower than before (and significantly lower than what I was expecting), if
you’re looking for the best method of noise reduction, this High ISO NR
feature is not it.
With this setting the camera is offering to reduce the noise of .jpgs (not
RAW) at ISO settings of 1600 and above. (It’s not selectable if you’re
shooting just RAW.) You can see the effects of the High ISO Noise
Reduction settings on an ISO 6400 test image in Figure 5-70. These settings
can actually be quite effective when you’re making 4x6 prints from .jpgs,
as they do tend to make the picture look noticeably cleaner at that size

Contents of this book Copyright © 2014 Gary L. Friedman. All rights reserved.