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Just in case you are wondering
#1
I promised a review of the Zeiss 16-70mm but the results are so bad that I believe that the lens has an issue.

#2
OMG,

I been waiting this review for almost a year.  

Sony users in China said 1670 is the best standard zoom in E system

#3
The center is sharp but the outer image region is unbelievably soft.

The thing that puzzles me is that the effect is symmetrical. 

I only did a coarse check upon receiving the lens and took it for a ride during vacation.

I just can't believe that this is the normal behaviour from a 1000$ lens.

#4
Do you have an image to show just how soft the outer regions are?

 

For what it is worth, this review does not show significant problems:

http://www.ephotozine.com/article/carl-z...view-24059

 

Some other reviewers have been disappointed, or found the test copy to be severely decentered.

http://kurtmunger.com/sony_zeiss_16_70mm_f_4id354.html

http://tashley1.zenfolio.com/blog/2013/1...-on-a7-a7r

http://phillipreeve.net/blog/carl-zeiss-...ex-review/
#5
I have hundreds. :-)

#6
Too bad, it could have been such a nice lens - besides the centering issues the underlying optical design seems to be lacking.
#7
In my experience, problems at the border are clearly asymmetrical (moving from one side to the other as the focal length increases). So symmetrical problems are probably due to a more-defective-than-average lens.

stoppingdown.net

 

Sony a6300, Sony a6000, Sony NEX-6, Sony E 10-18mm F4 OSS, Sony Zeiss Vario-Tessar T* E 16-70mm F4 ZA OSS, Sony FE 70-200mm F4 G OSS, Sigma 150-600mm Æ’/5-6.3 DG OS HSM Contemporary, Samyang 12mm Æ’/2, Sigma 30mm F2.8 DN | A, Meyer Gorlitz Trioplan 100mm Æ’/2.8, Samyang 8mm Æ’/3.5 fish-eye II | Zenit Helios 44-2 58mm Æ’/2 
Plus some legacy Nikkor lenses.
#8
In any case, what are you going to do? Give up with the test or have a replacement lens to try?

stoppingdown.net

 

Sony a6300, Sony a6000, Sony NEX-6, Sony E 10-18mm F4 OSS, Sony Zeiss Vario-Tessar T* E 16-70mm F4 ZA OSS, Sony FE 70-200mm F4 G OSS, Sigma 150-600mm Æ’/5-6.3 DG OS HSM Contemporary, Samyang 12mm Æ’/2, Sigma 30mm F2.8 DN | A, Meyer Gorlitz Trioplan 100mm Æ’/2.8, Samyang 8mm Æ’/3.5 fish-eye II | Zenit Helios 44-2 58mm Æ’/2 
Plus some legacy Nikkor lenses.
#9
Quote:The center is sharp but the outer image region is unbelievably soft.

The thing that puzzles me is that the effect is symmetrical. 

I only did a coarse check upon receiving the lens and took it for a ride during vacation.

I just can't believe that this is the normal behaviour from a 1000$ lens.
Will the soft borders be noticeable at print size 20x30 cm ?
#10
Quote:I have hundreds. :-)
To show?
  


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