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Wednesday, November 03, 2010

K-r DxOMark and Yet Another ISO Test (Full Sized but Not Original)

The DxOMark of the K-r has been out. It gets an overall score of 72.

Below are some of those endless comparisons, using the "compare" tool at the DxOMark page:-

K-x Vs K-r Vs K-7 (Well, the K-x has slightly better high ISO noise and very marginally better DR..)

A33 Vs K-r Vs A55

K-m Vs K-r Vs K200D

D5000 Vs K-r Vs D3100

550D Vs K-r Vs 60D

and so on.. that you can compare endlessly till the end of the world! ;-) There is no K-5 comparison though as the DxOMark for K-5 hasn't yet been out. :-(

Besides, here is an ISO comparison on the same scene with pics posted in full sized, but compressed and without EXIF:-

http://www.pentaxforums.com/forums/pentax-dslr-discussion/120750-k-r-iso-test.html

So, happy measurbations after all!


Related:-

K-r Vs K-x ISO Measurbations (Head to Head)

My K-r First Hands-ons (Tested Twice)

Comments (7)

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Michael A.'s avatar

Michael A. · 749 weeks ago

If nothing else, DxOMark confirms the K-r has definitely an updated 12MP sensor, not the same as K-x and just "hacked" by firmware. Thanks RH for this quick catch! Live long and prosper... :o)
2 replies · active 749 weeks ago
It seems that the "new" sensor used in the K-r has been downgraded! :-o ;->
there is a difference in measured and manufacturer ISO, by the way...
k-r has ISO close to real base ISO - 100, 200, 400, 800.
K-r has ISO740, K-x has ISO714...for example.

Portrait (Color depth) 22.9 bits vs 22.8 bits
Landscape (Dynamic range) 12.4 vs 12.5 Evs

This datas are the same (within the margin of error)

where is downgrade?
6 fps vs 4.7 fps....
Could it be that any upgrade to current sensors (regardless of brand) are oriented to CDAF and videos? I mean ISO performance is maybe at it's peak right now. Might as well improve other in-demand features.
1 reply · active less than 1 minute ago
Maybe, but who knows? But it would be more likely to be the case that quality is sucked once technology has been mature, so as to save every penny of the manufacturing cost!
I tried : K10D, K-R, D700

Quality progress curve :
K10D to K-R x 1.25
K-R to D700 x 1.25

Price progress curve :
K10D to K-R : x 1
K-R to D700 : x 3

Then LOLed.
I keep my K10D for now - except if I have a strong need for movies :)
Look where A55 landed, despite losing 30% of light! That means K-5, D7000, and A580 would be the highest rated cameras on dxomark.

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