upgrade can improve picture quality. Firmware actually is the software
that running camera system, just like our computer requires operating
system. Sometimes an error or defect can be fixed by upgrading to new
firmware. It is common for DSLR because the system is complicated and
users tend to discover new error that engineer never thought of. When
there is a firmware upgrade we should thanks the manufacturer because
their responsibility in correcting it. Of course they can just shut
the door and release another better camera. Here is Sony Alpha A700 picture comparison after firmware upgrade from
v3 to v4. Left is v3 image and right is v4 image. It has improved the
noise reduction logic and produce slightly cleaner image. These entire
images are shot and applied low noise reduction from camera. I have to
enlarge the picture up to 100% in order to find the minor changes. As
a gear head sure I am happy about this improvement. The visible
changes will be at ISO3200. But practically, how many will blow up my
image to check every single details or compare the noise? Image noise for me is less important because it is part of the digital
sensor natural behavior. In old days anyone complain about ISO1600
film grainy? Many historical pictures were captured and still preserve
until today. The picture is so harsh and lack of fine details but what
is the matter? General photography is about capture moment and
preserving memory.
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