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Zeiss vs Yongnuo
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Aug 7, 2022 12:19:56   #
selmslie Loc: Fernandina Beach, FL, USA
 
Nicholas J DeSciose wrote:
Does the yunguno have auto focus? If it does is it as good as the Zeiss

It has autofocus but it doesn't always work. Manual focus doesn't work very well either. See the review.

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Aug 7, 2022 14:26:19   #
bonjac Loc: Santa Ynez, CA 93460
 
Architect1776 wrote:
UPDATED:The $345 Yongnuo 85mm f/1.8 FE lens outperforms the $3,990 Zeiss Otus lens?

ThePhoBlographer spotted this surprising result posted by DxOmark. The Yongnuo 85mm f/1.8 FE lens (available at Amazon US, BHphoto, Amazon DE, Amazon UK) outperformed the ten times more expensive Zeiss Otus lens:

UPDATE: The Zeiss was tested on a lower resolution camera, and this surely had a negative influence on the score. Moreover this score is not perfect, it’s a subjective standard of scoring results. So don’t take it as a perfect tool for final judgment. Still, the Yongnuo remains impressive!
UPDATED:The $345 Yongnuo 85mm f/1.8 FE lens outper... (show quote)


Granted, the testing is not as rigorous as some would like but Yongnuo did quite well for its price. You can argue all day over how the test was conducted but significance remains.

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Aug 7, 2022 15:04:28   #
selmslie Loc: Fernandina Beach, FL, USA
 
bonjac wrote:
Granted, the testing is not as rigorous as some would like but Yongnuo did quite well for its price. You can argue all day over how the test was conducted but significance remains.

There is actually a lot of test information available. All you have to do is look.

Here is the chromatic aberration (CA) in more detail:



As you can see, the Yongnuo CA actually gets worse the more you close down the aperture. The Sony ($600) and the Zeiss Batis ($1199) don't have this problem.

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Aug 7, 2022 19:16:11   #
revhen Loc: By the beautiful Hudson
 
Bottom line: It's only glass.

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Aug 7, 2022 20:39:05   #
User ID
 
Nicholas J DeSciose wrote:
Does the yunguno have auto focus? If it does is it as good as the Zeiss

???!!?!?!!?!??!!? New to ESL ?

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Aug 8, 2022 09:05:27   #
jstampa
 
Nicholas J DeSciose wrote:
Does the yunguno have auto focus? If it does is it as good as the Zeiss


This lens is really a piece of crap and should be flushed down the toilet.
Read the reviews from consumers and expert reviewers. It’s just a cheap piece of Chinese knockoff crap.
To answer your question it does have autofocus and it doesn’t work like Zeiss. It doesn’t even work at all

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