Does anyone have super-soft extreme corners on their 16-35GM?

Started 2 months ago | Discussions thread
OP poipoipoi_2016 Contributing Member • Posts: 597
Re: Does anyone have super-soft extreme corners on their 16-35GM?

tonyz1 wrote:

Jeff2013 wrote:

I'm thinking about replacing my GM 16-35mm with the Sigma 14-24mm DN.

I would like to realize the Sigma's IQ advantages. Part of my logic, is that the GM lens is weak at 35mm... the Sigma is strong at 24mm, so I could likely crop the Sigma 24mm on my A7RIV to get 36mm and be no worse than using the Sony lens at 35mm. With the GM lens weakness at 35mm, results would be marginal by cropping that FL to 49mm, so it is something I would rarely do. I base much of my analysis on the LensRental's MTF graphs for these two lenses (and their analysis is for the DG version, knowing that the DN version is even better!).

Hopefully, my logic is reasonably sound. We'll see.

Further note - the lens-critical folks over at Fred Miranda absolutely wax-poetic about the Sigma lens.

The Sigma is clearly better than the 16-35mm in their shared focal lengths but if you want a "16-35mm," I'd rather have the true 35mm of the 16-35mm over 24mm in crop mode - to me it's just not the same - I am using an A7R III however.

Yeah, I think mine developed a tilt.  The corner was never perfect, but it was definitely acceptably bad.  Because the GM's versatility is so much better than the Sigma (especially at ISO 1000 handheld night shots lol).

I don't need it until Labor Day, so I sent it in for a estimate for a fix.  We'll see how that goes.

 poipoipoi_2016's gear list:poipoipoi_2016's gear list
Sony RX100 V Sony a7R III Sony FE 55mm F1.8 Sony FE 16-35mm F2.8 Samyang AF 35mm F2.8 FE +3 more
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