Sony 18-135 f/3.5-5.6 is sharper than ZA 16-70 f/4

Started Apr 4, 2019 | Discussions thread
Euell Veteran Member • Posts: 4,638
Re: Sony 18-135 f/3.5-5.6 is sharper than ZA 16-70 f/4

niceeye87 wrote:

I know this is an old thread, but I had the similar issues trying to decide between 16-70 vs the 18-135mm, and I ended up buying both with the intention of selling the subpar lens after running through number of tests.

Both lenses I got had no apparent softness in one side of the image, an I also ran a simple decentering test and that didn't point anything obvious. So I assume my lenses are within the QC standards.

I did some lens chart tests and I documented findings in a blog article as the number of tests alone wouldn't be possible to write up as a single post in here.

I've had both lenses and disposed of the 16-70 due to a several factors, although the 16-70 was certainly satisfactory for my purposes and took some nice photos with it,  The additional length at the long end of the 18-135 makes it a bit more versatile and it is decently sharp, but, in my experience, doesn't handle high contrast as well as the 16-70.  The 18-135 corrections at 18mm can also make foliage look strange.  My impression is that at infinity or distance the 18-135 is somewhat sharper than the 16-70.  This is something test targets at close range won't show you.  Finally, I have assumed correctly that Sony would produce a premium fast APSC zoom and now Sony has, so would have little use for the 16-70.

 Euell's gear list:Euell's gear list
Sony RX100 Canon EOS 7D Sony a6500 Sony a7R III Canon EF-S 17-55mm f/2.8 IS USM +13 more
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