7D or 5Dmkii - same discussion, with a twist

Started Jul 11, 2012 | Discussions thread
qianp2k Forum Pro • Posts: 10,350
Re: 7D or 5Dmkii - same discussion, with a twist

TTMartin wrote:

According to Photozone.de: Please note that the tests results are not comparable across the different systems! This does also apply for the new EOS tests based on the EOS 50D because of differences in the sensor system (e.g. AA-filter) as well as different RAW-converters.

My read is that it means a lens MTM data is only measured on a specific camera that doesn't apply to another camera, of course. DXO test for example gives a drop down list to pickup a camera from a lens's test. DXO Lab also performs under better controlled environment. Neverthess either test does give you resolution data. You can see 17-40L has significant resolution advantage at least in critical center area. Sure 10-22 test was done on 8mp 20D but we know resolution of sensor is not linear of sensor MP no mention greatly limited by a lens. On 7D it will only gain about 20% of resolution that still far below 17-40L on 5D2. 24-105L on 5D2 from DXO test gives a good reference as shown in my previous post.

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