DPReview.com is closing April 10th - Find out more

dpreviewTV: EF-M 22mm F2 not "ideal" for the M6 Mk II?

Started Sep 20, 2019 | Discussions thread
nnowak Veteran Member • Posts: 9,074
Re: This whole lens resolution business is pot calling kettle black...
1

RLight wrote:

The EF-M 22 outresolves the 20mm Sony, even at a MP deficiency on DXO Mark where the original EOS M (18MP) vs the 24MP A6000 per DXOMark...

https://www.dxomark.com/Lenses/Compare/Side-by-side/Canon-EF-M-22mm-F2-STM-on-Canon-EOS-M-versus-Sony-E-20mm-F28-on-Sony-A6000__989_819_1093_942

.

This whole lens not sharp enough for sensor business applies to everyone. But arguably least to Canon.

For a example, the EF-M 11-22 outrsolves the Sony 10-18 by 20%, once again being tested on an inferior 18MP body.

https://www.dxomark.com/Lenses/Compare/Side-by-side/Canon-EF-M-11-22mm-F4-56-IS-STM-on-Canon-EOS-M-versus-Sony-E-10-18mm-F4-on-Sony-A6000__1170_819_1084_942

And lastly, the Sony 16-50, again, is outresolved with the MP advantage...

https://www.dxomark.com/Lenses/Compare/Side-by-side/Canon-EF-M-18-55mm-F35-56-IS-STM-on-Canon-EOS-M-versus-Sony-E16-50mm-F35-56-on-Sony-A6000__990_819_1082_942

First, what do Sony lenses have to do with the ability of EF-M lenses to resolve 32mp?

Second, a higher resolution sensor makes a lens look worse, not better. Switch your comparison to the 20mp a3000 and the Sony lenses get much closer to the EF-M lenses.

Third, you absolutely positively can not compare lens tests that were shot with different cameras. Different cameras means different image sensors, different micro lenses, different resolutions, different AA filters, different RAW conversions, etc. You can only compare lenses shot with the same camera. Here is the same lens tested on two different 20mp cameras with different results

https://www.dxomark.com/Lenses/Compare/Side-by-side/Tokina-AT-X-Pro-SD-11-16-F28-IF-DX-II-Nikon-on-Nikon-D500-versus-Tokina-AT-X-Pro-SD-11-16-F28-IF-DX-II-Canon-on-Canon-EOS-7D-Mark-II__872_1061_871_977

Fourth, DXO scores are utter nonsense and virtually meaningless.

Post (hide subjects) Posted by
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MAC
Keyboard shortcuts:
FForum PPrevious NNext WNext unread UUpvote SSubscribe RReply QQuote BBookmark MMy threads
Color scheme? Blue / Yellow