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Panasonic old and new versions of lenses

Started Jun 14, 2016 | Discussions thread
ThePalindrome Regular Member • Posts: 477
Re: Panasonic old and new versions of lenses
2

RedDog Steve wrote:

Ron Zamir wrote:

Panasonic 14mm. F-2.5 and Panasonic 20mm. F-1.7 - old and new versions.

What are the differences between the older and new version?

Which is better, if at all.

Samples to compare?

Here's the DXO test results for the 20mm.
The older lens appears to do better by just a whisker.

That tells you something about the manufacturing tolerances and the measuring tolerances. Unless they tested a dozen lenses or so, you really shouldn't interpret these results so that the old model is better than the new model.

Which brings up an interesting point, has someone done a comparative study that is sensitive and large enough to have an idea about manufacturing variation?

 ThePalindrome's gear list:ThePalindrome's gear list
Panasonic Lumix DMC-GM1 Panasonic Lumix DMC-GX85 Panasonic Leica DG Summilux 15mm F1.7 ASPH Olympus XZ-1 Olympus M.Zuiko Digital 45mm F1.8 +1 more
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