Canon 7D vs. Pentax k-5

Started Dec 1, 2011 | Discussions thread
Corne Ferreira
Contributing MemberPosts: 654Gear list
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Re: Please.
In reply to schmegg, Dec 4, 2011

schmegg wrote:

Corne Ferreira wrote:

Look at the iso chart of a d7 and a k5 or d7000 pentax and nikon claims ISO 1600 and test results retun within reason ISO 1600 canon returns as ISO1200.

I must be looking at a different DxO because I see the Canon at ISO1223 and the Nikon at ISO1269 - which frankly is probably within measurement tolerance - meaning they are effectively the same.

OK ok my bad below the results from DXO if you look at the trend you will see the higher the ISO the further canon moves away since DXO averages the reading from all ISOs to one figure it negatively affect all the results on the camera. I made the mistake of relying on memory instead of going back and checking and got the actual values wrong in the previous post but it does not change this have on the results. Below the actual results double checked. I included the K5 since it got a higher score than both the nikon and the canon.

@ ISO 1600
Canon 1233
Nikon 1269
pentax 1417

@3200
Canon 2278
Nikon 2627
Pentax 2864

@6400
canon 4588
nikon 5197
pentax 5873

@128000
canon 8693
nikon 10549
pentax 11633

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