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FE 70-200/2.8 GM - Resolution @200mm Wide Open?
  
 
InFocus2014
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p.2 #1 · p.2 #1 · FE 70-200/2.8 GM - Resolution @200mm Wide Open?


snapsy wrote:
I downloaded the full-sized JPEGs from LR's test and cropped to the center. They were all shot on the A7rII:

Nikon 70-200mm f/2.8E vs Sony 70-200mm f/2.8 GM vs Canon 70-200mm f/2.8 IS II, 200mm @ f/2.8, Center Crop



Thank you for posting. This confirms my findings, along with Roger Cicala's tests (chart, below) I mostly shoot these lenses at 200mm f2.8 and I have been getting sharp shots with the Canon II and soft shots with the Sony GM (portrait shooting). It gets worse the further from the center you get. This is a HUGE disappointment as I returned the Sony lens and now do not have a good indoor sports lens (I mostly use 50mm, 85mm and 135mm primes for portraits, anyway).

Given that Nikon (V3), Canon and Tamron (V2, which I tested on the 5DSR) all have sharper lenses (at 200mm), I sure hope that Sony will introduce a reworked version II in the future. This is a key lens for professional shooters and not many will be satisfied paying $2,600 for this level of performance, IMHO.








Aug 10, 2017 at 12:13 PM
JohnDizzo15
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p.2 #2 · p.2 #2 · FE 70-200/2.8 GM - Resolution @200mm Wide Open?


Sorry for the newb question. But am I correct in assuming that I cannot upload photos on the site unless I am paying for membership in the Buy/Sell forum?


Aug 10, 2017 at 10:17 PM
AGeoJO
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p.2 #3 · p.2 #3 · FE 70-200/2.8 GM - Resolution @200mm Wide Open?


JohnDizzo15 wrote:
Sorry for the newb question. But am I correct in assuming that I cannot upload photos on the site unless I am paying for membership in the Buy/Sell forum?


Either that or you need to upload your images onto an outside web gallery host and provide the link here on your post. And please make sure that you don't include the "s" on your "https" link.



Aug 10, 2017 at 11:00 PM
JohnDizzo15
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p.2 #4 · p.2 #4 · FE 70-200/2.8 GM - Resolution @200mm Wide Open?


Thanks, AGeoJO. Hopefully I can quickly de-newb myself and get these sample shots up soon. Lol.


Aug 10, 2017 at 11:40 PM
 

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gocolts
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p.2 #5 · p.2 #5 · FE 70-200/2.8 GM - Resolution @200mm Wide Open?


Tried out my new 70-200 GM with the A7R2 last night to ensure eye-AF worked as well as to check sharpness. Here's a 100% crop from a 200mm image, it'll work for me....

DSC00754 adobe_filtered-001 by Matt Ebersole, on Flickr



Aug 11, 2017 at 12:26 PM
Mystik
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p.2 #6 · p.2 #6 · FE 70-200/2.8 GM - Resolution @200mm Wide Open?


InFocus2014 wrote:
Thank you for posting. This confirms my findings, along with Roger Cicala's tests (chart, below) I mostly shoot these lenses at 200mm f2.8 and I have been getting sharp shots with the Canon II and soft shots with the Sony GM (portrait shooting). It gets worse the further from the center you get. This is a HUGE disappointment as I returned the Sony lens and now do not have a good indoor sports lens (I mostly use 50mm, 85mm and 135mm primes for portraits, anyway).

Given that Nikon (V3), Canon and Tamron (V2, which I tested on the 5DSR) all
...Show more

I use the 70-200 GM professionally (posed portraiture and weddings/events) and its fine. I owned the Canon version back in my 5DIII days, and it might be shaper if I compared the two side by side, but I didn't bother doing so even when I had both the GM and the Canon at the same time because adapting the Canon to my a7rII was a nightmare. Looking at things comprehensively though, the GM mounted to a Sony body has better IQ overall, and more importantly for paid work, the AF is significantly more accurate wide open. Eye-AF is a big deal for me, and I'd rather have critically in focus shots on a softer lens than OOF shots on a sharper lens. I'll take the GM on a Sony body over the L on a Canon body any day of the week regardless of what test charts say.



Aug 11, 2017 at 12:41 PM
3catsinky
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p.2 #7 · p.2 #7 · FE 70-200/2.8 GM - Resolution @200mm Wide Open?


these samples look damn good to me! Wish I had the coin laying around to grab one, it would most likely replace my Batis 85 due to sheer versatility.


Aug 11, 2017 at 01:10 PM
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