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The cold, hard reality of 45mp and no in-body stabilization



 
 
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Old January 9th 18, 05:34 PM posted to rec.photo.digital
-hh
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Posts: 838
Default The cold, hard reality of 45mp and no in-body stabilization

On Sunday, January 7, 2018 at 2:48:31 AM UTC-5, android wrote:
On 2018-01-07 03:00:52 +0000, -hh said:

The net result of all of this is that if the stabilization is only good enough
for an "8MP" film equivalent pixel, then the 45MP sensor will smear
five to six pixel data points together to make a virtual 8MP data set.
But only when the shake disallows the higher 45MP grain.

-hh


In reality you would need some 40MP sensor to measure up to a film like
Kodak T-Max 400 hundred ...


Sounds about right based on the general rule of thumb of needing
to sample at twice the target (times two dimensions in this case).


... but you could easily adapt the "x mm1/x s"
rule to 1/2x or whatever you think is necessary for your skills.


Agreed, that's really all that this ultimately comes down to.


If you're going on a safari planing on sitting on the roof of a tourist
buss in the Serengeti at noon then you could probably make do without
IS or legs but waiting in a hide in Lappland at dusk ain't the same
thing...


Even the Sunny 16 situation will depend on just how far one is
pushing things. For example, this image's quality is breaking down:

http://www.huntzinger.com/gallery/index.php/SAN/rueppells_parrot-7Y8A1520_66

....but that's hardly a surprise in context, as it was an extreme crop
that was left to work with only ~7% of the original frame's sensor data.


-hh
 




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