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Sony FE 135mm f/1.8 GM Review

  
 
vdo1
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p.11 #1 · p.11 #1 · Sony FE 135mm f/1.8 GM Review


GMPhotography wrote:
BTW great tests Fred, now I don’t have to do some of this.


You can’t escape that easily, you owe us a Big Bronco of the 135mm...



Mar 19, 2019 at 09:20 PM
GMPhotography
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p.11 #2 · p.11 #2 · Sony FE 135mm f/1.8 GM Review


vdo1 wrote:
You can’t escape that easily, you owe us a Big Bronco of the 135mm...


I will for sure. Might have to knock a wall down to move back far enough.



Mar 19, 2019 at 09:23 PM
jhinkey
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p.11 #3 · p.11 #3 · Sony FE 135mm f/1.8 GM Review


All I know is that my Sigma 135/1.8 FE on my A7RIII struggled in gymnasium level light when my m43 camera plus 75/1.8 Oly was instant and sure of the AF point.


Mar 19, 2019 at 09:24 PM
gocolts
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p.11 #4 · p.11 #4 · Sony FE 135mm f/1.8 GM Review


I had my daughter running towards me with the A7RIII & canon-adopted Sigma 135, and the Sigma didn’t give me one keeper in 50 shots. A handful were “ok”, but not critically sharp.


Mar 19, 2019 at 10:16 PM
GabrielPhoto
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p.11 #5 · p.11 #5 · Sony FE 135mm f/1.8 GM Review


gocolts wrote:
I had my daughter running towards me with the A7RIII & canon-adopted Sigma 135, and the Sigma didn’t give me one keeper in 50 shots. A handful were “ok”, but not critically sharp.


Hopefully Fred can do a similar test with both.



Mar 19, 2019 at 10:28 PM
bluloo
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p.11 #6 · p.11 #6 · Sony FE 135mm f/1.8 GM Review


This thread’s subtitle should be GAS Therapy Group Session.


Mar 19, 2019 at 10:49 PM
Jannik Peters
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p.11 #7 · p.11 #7 · Sony FE 135mm f/1.8 GM Review


So after sleeping one night about that, I see it this way:

The Sony offers over the Sigma:

- size advantage
- weight advantage
- better balancing (less front heavy)
- better sharpness wide open
- better sharpness at MFD
- much better MFD
- better handling (buttons, switches, aperture ring, GM build)
- better CA correction
- better AF

The Sigma offers over the Sony

- $€$€$€
- Differences in bokeh that we mostly identify by color temperature and sharpness

I think the AF performance will push the sharpness advantage even more to the Sony side. This is actually much more critical than the static sharpness performance of these two lenses if movement comes into the equation.

Furthermore, I think the bokeh difference is negligeable and I will put it out of my personal equation. After all the lens comparisons and testing that I have done, I would rate these two lenses exactely the same. The difference is so small that you would not be able to tell them apart by bokeh in real world shooting when not viewed side by side and even here we have big problems and need some other supporting factors like color temperature and sharpness.

So for me, the results of this test made me even more confident about my pre-order. The difference in price will not matter to me regarding a big bag of real and significant advantages.




Mar 20, 2019 at 12:32 AM
jtra
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p.11 #8 · p.11 #8 · Sony FE 135mm f/1.8 GM Review


GabrielPhoto wrote:
Hopefully Fred can do a similar test with both.


My Sigma 135/1.8 E-mount native is like that. While focus feels fast for refocusing between subjects (except for close up around 1m where it is slow), it cannot follow motion well. On static subjects it is super accurate. On slowly walking subjects in good light, it is ok. On subjects fast walking or running towards me, even in great light, it is not keeping focus on face, it lags behind and backfocuses on hair at the back of head.

I'm not sure if this is due to lens firmware (fixable by Sigma) or if this is due to focus motors being optimal for DSLR focus system while being suboptimal for mirrorless PDAF. Maybe experience from Sigma F-mount users on Nikon Z and EF-mount users on EOS R could be useful to tell this apart.

In dark environment (1/125s, f/1.8, ISO 8000 while still underexposed, like in Manny Ortiz and Luis Gabriel videos) it was focusing well when there were vertical lines in subject, but when contrast was horizontal lines it was hunting (due to OSPDAF lines not seeing it). I could rotate camera by 90deg and subjects that were good and poor switched. When I rotated camera by 45deg both subjects had enough detail in OSPDAF lines and locked well. I did not have problems with out of focus images, maybe due to AF priority in AF-C set to Focus.




Mar 20, 2019 at 01:01 AM
jtra
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p.11 #9 · p.11 #9 · Sony FE 135mm f/1.8 GM Review


Fred Miranda wrote:
I was at 16 feet (5m). Do you want to see it longer?


Yes. SA can change with different focus distance. Also more of the background usually gets into transition zone.

Thanks for quizz example 4. While I could easily guess correct answer for 1-3 with assumption that Sigma has slightly smoother background bokeh, I could not tell 4 apart based on overview picture. I could do it based on high magnification crop due to sharpness difference, but bokeh was just too similar.



Mar 20, 2019 at 01:06 AM
GMPhotography
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p.11 #10 · p.11 #10 · Sony FE 135mm f/1.8 GM Review


Jannik Peters wrote:
So after sleeping one night about that, I see it this way:

The Sony offers over the Sigma:

- size advantage
- weight advantage
- better balancing (less front heavy)
- better sharpness wide open
- better sharpness at MFD
- much better MFD
- better handling (buttons, switches, aperture ring, GM build)
- better CA correction
- better AF

The Sigma offers over the Sony

- $€$€$€
- Differences in bokeh that we mostly identify by color temperature and sharpness

I think the AF performance will push the sharpness advantage even more to the Sony side. This is actually much more critical than the static sharpness performance of these two lenses
...Show more

Pretty much looking at it the same way myself. I’m with you also on my decision for the Sony it’s a 100 percent go forward decision.



Mar 20, 2019 at 06:14 AM
 


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GMPhotography
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p.11 #11 · p.11 #11 · Sony FE 135mm f/1.8 GM Review


New video. Pretty much what we have been talking about and seen


https://youtu.be/M98Jmo8Tp2o



Mar 20, 2019 at 09:03 AM
vdo1
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p.11 #12 · p.11 #12 · Sony FE 135mm f/1.8 GM Review


bluloo wrote:
This thread’s subtitle should be GAS Therapy Group Session.


Your Honor, I plead not guilty, I had (and still have) no intention of buying an 135mm, I was looking at this just to see where Sony is heading with their latest and future lenses...

Like anyone would be buying my story lol we all know why we're here ha ha



Mar 20, 2019 at 09:18 AM
nandadevieast
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p.11 #13 · p.11 #13 · Sony FE 135mm f/1.8 GM Review


Oh after reading all this i am yearning for a 135 again.


Mar 20, 2019 at 09:19 AM
vdo1
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p.11 #14 · p.11 #14 · Sony FE 135mm f/1.8 GM Review


Jannik Peters wrote:
The Sigma offers over the Sony

- $€$€$€
- Differences in bokeh that we mostly identify by color temperature and sharpness



You forgot the USB lens dock



Mar 20, 2019 at 09:22 AM
bluloo
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p.11 #15 · p.11 #15 · Sony FE 135mm f/1.8 GM Review


Jannik Peters wrote:
So after sleeping one night about that, I see it this way:

The Sony offers over the Sigma:

- size advantage
- weight advantage
- better balancing (less front heavy)
- better sharpness wide open
- better sharpness at MFD
- much better MFD
- better handling (buttons, switches, aperture ring, GM build)
- better CA correction
- better AF

The Sigma offers over the Sony

- $€$€$€
- Differences in bokeh that we mostly identify by color temperature and sharpness

I think the AF performance will push the sharpness advantage even more to the Sony side. This is actually much more critical than the static sharpness performance of these two lenses
...Show more

Generally agreed.
Though, for the average hobbyist, I think these differences are far less important. For most shooters, the Sigma is going to remain an excellent optic, and an even better value now that it compares so favorably to a more expensive F1.8 option.

I'll also add that, while the GM's sharpness seems to exceed the ability of the current crop of Sony sensors, I think it's utility on current cameras going to become more apparent when cropping images, because you can do so without most of the typical concomitant loss in perceived sharpness.



Mar 20, 2019 at 09:58 AM
LBJ2
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p.11 #16 · p.11 #16 · Sony FE 135mm f/1.8 GM Review


Five more days and Firmware 5.0 drops ( if rumor proves true). That's when I will get excited. Can't wait to try 5.0 on the A9 and glad to know I'll have 5.0 practice by the time the GM 135 shows up end of April 🤞 I already knew what to expect IQ wise with the GM 135's MTF scores, no major surprise there for me from samples posted so far.

Sigma seems to be holding its own IQ-wise which probably doesn't surprise those that own the Sigma 135. Splitting hairs vs the GM IMO from what I've seen so far. But at this level of achievement between these two lenses, not sure we will see much difference in IQ real-world anyway. Curious to see more of how the GM compares to Batis and Zeiss 135/2.



Mar 20, 2019 at 10:05 AM
Fred Miranda
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p.11 #17 · p.11 #17 · Sony FE 135mm f/1.8 GM Review


Here is a size comparison between the Sony FE 135/1.8 GM and Sigma 135/1.8 Art E-mount:

PS: I personally dislike the piano black finish on the Sigma. It always leaves finger prints (see area close to the mount)




Without hood: Sony 952g, Sigma 1,194g






With hood: Sony 1,030g, Sigma 1,260g




Mar 20, 2019 at 12:31 PM
GMPhotography
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p.11 #18 · p.11 #18 · Sony FE 135mm f/1.8 GM Review


Hate all these hoods


Mar 20, 2019 at 01:13 PM
GabrielPhoto
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p.11 #19 · p.11 #19 · Sony FE 135mm f/1.8 GM Review


GMPhotography wrote:
Hate all these hoods


via Imgflip Meme Generator


Sorry that was the first thing that came to mind when I read your comment



Mar 20, 2019 at 01:26 PM
GMPhotography
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p.11 #20 · p.11 #20 · Sony FE 135mm f/1.8 GM Review


. Love it


Mar 20, 2019 at 01:28 PM
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