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Author Topic: Carl Zeiss Makro-Planar ZF.2 vs ZE versions  (Read 10692 times)
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« on: April 11, 2013, 03:22:16 PM »

This a comment for this page on the website
How do you explain that the Carl Zeiss Makro-Planar T 100 f/2 ZE version on a Canon 5D MarkIII gets higher sharpness rating than the ZF.2 version on a Nikon D800?
Aren't the optical designs the same? Or should this difference be attributed to the flange distance only? The last question being true, would a ZE version with the proper adapter, mounted on a NikonD800 perform the same as a ZE on a Canon 5DMarkIII?
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« Reply #1 on: April 14, 2013, 11:18:27 AM »

A good question! I just found out the answer.
Go to the 'About' drop down at top of page and select 'Lens scores'; this will explain in full. Here's the brief conclusion copied and pasted.

All of these sensor-related factors have an impact on lens performance and cannot be ignored. The very same lens can show differences in image quality performance when coupled with different camera bodies, which is why DxOMark puts in the time and effort to test and publish the results for as many lens-camera combinations as possible.
I hope that helps.

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« Reply #2 on: April 16, 2013, 09:26:58 AM »


Thanks for your interest in DxOMark.

Between design and real lenses there is always differences !
For this case, the first remarks would be that the 2 sensors have very different optical measurements. On one side the Canon EOS 5D Mark III is very efficient, while the D800 is finally slightly disappointing when considering resolving power.
The second remark is that vertical sharpness is slightly lower measured on the Nikon mount.

Best regards,

The DxOMark team
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