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Sony FE 20mm f/1.8 G Versus Other Lenses

  
 
Gunzorro
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p.5 #1 · Sony FE 20mm f/1.8 G Versus Other Lenses


nehemiahphoto wrote:
I don’t think so—the two photos on the previous page don’t show dust but lots of ghosting. The sensor isn’t scratched or anything, just dirty. And I have other lenses that perform with superlative flare resistance on this same camera, like my CV 35 1.7


Sorry to sidetrack the thread, but the image was startling to see posted. I was commenting on the hundreds of dust specks and blotches. I do see the ghost flares -- looks like the image was shot at f/16-22 and did produce small ghosts all around the rays of the sun. But the dirty sensor is much more of a problem -- might it conceivably contribute to the ghosts as well?



Mar 21, 2020 at 08:45 AM
pdmphoto
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p.5 #2 · Sony FE 20mm f/1.8 G Versus Other Lenses


Fred Miranda wrote:
Very interesting results when comparing the FE 20/1.8 G to the FE 24/1.4 GM.

For the price difference, I was expecting the GM to perform better at infinity distance but it's not the case, especially at wider apertures.

From testing the FE 24/1.4 GM's corners + mid-field to other lenses, I knew that astigmatism was an issue but this wasn't an issue for the FE 20/1.8 G, especially starting at f/4, performing noticeably better than the GM across the entire image field.

As a matter of fact, at f/4 and smaller apertures, FE 20/1.8's performs at Loxia 21/2.8 level in regards to
...Show more

The color of the 24GM is noticeablely better to me in the center and more apparent in the corners. I loved the colors from my 24GM, but not the 20G.



Mar 21, 2020 at 11:18 AM
pdmphoto
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p.5 #3 · Sony FE 20mm f/1.8 G Versus Other Lenses


nehemiahphoto wrote:
I’m still hoping to see more comparisons with the flare/ghosting. I don’t recall my Loxia 21 or Batis 18 being nearly this ghosts-prone, especially when sun is just outside the center. Here’s another from today in a typical usage landscape photo for me. And yes, my sensor is nasty...

Anyway, I just thought others might like to know this even this. Thanks for the testing Fred 👍🏻


I wasn't happy with the ghosting and flaring performance of my Sony 20G either. It's a lens that requires the lens hood, and even then is mediocre in those respects. My copy wasn't very well centered, so I returned it without replacement. I much prefer my good copy of the Voigtlander 21/1.4



Mar 21, 2020 at 11:29 AM
nehemiahphoto
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p.5 #4 · Sony FE 20mm f/1.8 G Versus Other Lenses


nhsonyshooter wrote:
My OCD kicks in just looking at that image


I posted it as a character growth opportunity for you



Mar 21, 2020 at 12:24 PM
nehemiahphoto
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p.5 #5 · Sony FE 20mm f/1.8 G Versus Other Lenses


pdmphoto wrote:
I wasn't happy with the ghosting and flaring performance of my Sony 20G either. It's a lens that requires the lens hood, and even then is mediocre in those respects. My copy wasn't very well centered, so I returned it without replacement. I much prefer my good copy of the Voigtlander 21/1.4


I am with you. This lens has FE colors, not GM. I was initially excited, but after shooting if a bit, I doubt I'll be keeping it. If value ultimate crispness (CA control + resolving power), or need a fast compact 20mm, I think it's a great offering. But I just find images a bit flat and personality-less. I much preferred the images from the GM 24, Loxia 21, Batis 18 Contax G 21 and even my Tamron 17-28.

I haven't shot the new CV 21's, but I think I would prefer them as well from my experience with the CV 35/2, 35/1.7, 40 and 50/1.2. And yes, the flare/ghosting doesn't impress me either.

The only reason I am hesitating is that I want to try it tracked for astro. From my initial test, this FOV and speed and correction is pretty impressive.



Mar 21, 2020 at 12:32 PM
Fred Miranda
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p.5 #6 · Sony FE 20mm f/1.8 G Versus Other Lenses


I find that the FE 20/1.8 G has great flare resistance even without the hood. If one shoots towards the sun at very small apertures (f/16, f/22), ghosting will show up with any ultra wide lens.

When testing at f/8-11 and moving the lens around the sun, I see very little ghosting and pretty much no veiling.

Regarding color rendering - The 20/1.8G colors reminds me of the Sony 12-24's which I personally dislike, especially the greens and reds. Like you guys, I also prefer the 24/1.4 GM colors but the Loxia 21/2.8, Voigtlander 21/1.4 and Sigma 14-24 color rendering is hard to beat.



Mar 21, 2020 at 12:39 PM
nehemiahphoto
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p.5 #7 · Sony FE 20mm f/1.8 G Versus Other Lenses


smpetty wrote:
I thought it was an end-of-times locust storm!


We did just have 2 earthquakes in Utah, day light savings, the Corona virus, Friday the 13th and a full moon within a week, so I think you're spot on



Mar 21, 2020 at 12:55 PM
Fred Miranda
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p.5 #8 · Sony FE 20mm f/1.8 G Versus Other Lenses


I've just took this sample at f/11 for both Sony 20/1.8 and Loxia 21/2.8.

I was not intentionally looking for an angle that minimizes flare. I could move the lens around the sun and the results were the same. I am actually getting a bit more ghosting with the Loxia in many situations. I can't say this lens has bad flare resistance. Quite the opposite.




Sony 20 G (top), Loxia 21 (bottom)




Mar 21, 2020 at 12:58 PM
nehemiahphoto
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p.5 #9 · Sony FE 20mm f/1.8 G Versus Other Lenses


Fred Miranda wrote:
I've just took this sample at f/11 for both Sony 20/1.8 and Loxia 21/2.8.

I was not intentionally looking for an angle that minimizes flare. I could move the lens around the sun and the results were the same. I am actually getting a bit more ghosting with the Loxia in many situations. I can't say this lens has bad flare resistance. Quite the opposite.


Very interesting. Any idea why I am getting more flare than you?

I do notice you're focusing at infinite and shooting much stopped down. In the 3 photos I've posted, and I can post others, I shot at 1.8, one at 5.6 and the other at f22.

But, all mine are focused with something in the near to mid distance where yours are at infinite.




Mar 21, 2020 at 01:03 PM
Fred Miranda
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p.5 #10 · Sony FE 20mm f/1.8 G Versus Other Lenses


nehemiahphoto wrote:
Very interesting. Any idea why I am getting more flare than you?

I do notice you're focusing at infinite and shooting much stopped down. In the 3 photos I've posted, and I can post others, I shot at 1.8, one at 5.6 and the other at f22.

But, all mine are focused with something in the near to mid distance where yours are at infinite.



I'm not sure why. I will test flare focusing at closer distance. The above image also shows the difference in color rendering between these two lenses. (they have identical processing)



Mar 21, 2020 at 01:17 PM
 


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nehemiahphoto
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p.5 #11 · Sony FE 20mm f/1.8 G Versus Other Lenses


Fred Miranda wrote:
I'm not sure why. I will test flare focusing at closer distance. The above image also shows the difference in color rendering between these two lenses. (they have identical processing)


Thanks. I am curious. I guess like everything else, the lens' behaviors may differ at certain distances.

I saw that color difference. It's also very noticeable in the crops you posted on with the G20 vs. the Sigma/GM24/Loxia 21. And easily noticeable in the field. The G20 look the most anemic of any of the group. I am assuming WB and everything is equal though. Is that correct?



Mar 21, 2020 at 01:26 PM
Holger
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p.5 #12 · Sony FE 20mm f/1.8 G Versus Other Lenses


I think people here get crazy about minor differences, including color difference between the Loxia and Sony. I think it is minor and post processing can overcome that easily.


Mar 21, 2020 at 02:32 PM
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p.5 #13 · Sony FE 20mm f/1.8 G Versus Other Lenses


Holger wrote:
I think people here get crazy about minor differences, including color difference between the Loxia and Sony. I think it is minor and post processing can overcome that easily.


We are not getting crazy here. Just pointing out the differences.



Mar 21, 2020 at 02:38 PM
lambers
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p.5 #14 · Sony FE 20mm f/1.8 G Versus Other Lenses


Holger wrote:
I think people here get crazy about minor differences, including color difference between the Loxia and Sony. I think it is minor and post processing can overcome that easily.


I agree. Returning lenses due to minimal colour difference when all you need to do is move one or two sliders in Lightroom is crazy. Field curvature, on the other hand, is a showstopper and there are no sliders that will cure this evil with the Loxia 21.



Mar 21, 2020 at 04:40 PM
mark1958
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p.5 #15 · Sony FE 20mm f/1.8 G Versus Other Lenses


This has been a very informative thread.. I have been very impressed with the Sony 12-24mm. For what I shoot rather have the 2mm (smaller size) for the slow speed. I have not seen any good comparisons between thee Sony 12-24 and Sigma 14-24mm.


Mar 21, 2020 at 06:30 PM
nehemiahphoto
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p.5 #16 · Sony FE 20mm f/1.8 G Versus Other Lenses


Holger wrote:
I think people here get crazy about minor differences, including color difference between the Loxia and Sony. I think it is minor and post processing can overcome that easily.


I personally don't return lenses if I don't keep the lens for preferential reasons. I only return when something is wrong--de-centered, already opened when it says it's new and such.

Fuji and Zeiss and Leica (and others) put a ton of emphasis on their color science and tonal signatures, etc. The Zeiss T* coatings and micro-contrast have been one of the main selling points and differentiators of Zeiss for the last 40 years. I guarantee you're not getting the G 20 to look like a Loxia 21 with moving one or two sliders. You can color correct, and such, which I have done, but you're not getting the same nuanced color--you're getting in the ballpark. For some that's good enough.

Much of the magic lies in all that tonal minutia and subtlety, which is interwoven with sharpness and CA and SA and other optical parameters. Fine tonal shifts and lighting are so dynamic and responses differ situationally for each camera. And aside from all that, a Loxia lens is just so much less work.

When I am shooting the G20, and looking at selling my GM 24 and Tamron 17-28, I have over 3k involved, so I don't think it's being too picky. Also, different shooters have different parameters that are important. I think the obsession over sharpness is absurd the last several years in photography. I honestly can't remember a photo I saw and said, wow, if only the photo were sharper it would have been better. Or, that's a great photo, but let's look at ultimate corner crops magnified to see how good it really is.

On the other hand, I see photos constantly where the renderings--color, bokeh, transitions, SA and CA correction or lack of, coma or flare due make or break a photo, or at least heavily impact my perception of it.

And like I've stated before, I don't think the G 20 is a bad lens by any means. It's really quite a good one. Just not one I'll be keeping.

Edited on Mar 22, 2020 at 02:33 AM · View previous versions



Mar 21, 2020 at 09:44 PM
lambers
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p.5 #17 · Sony FE 20mm f/1.8 G Versus Other Lenses


nehemiahphoto wrote:
I personally don't return lenses if I don't keep the lens for preferential reasons. I only return when something is wrong--de-centered, already opened when it says it's new and such.


Unfortunately, another buyer will receive your perfectly good, already opened G20 lens.



Mar 22, 2020 at 12:45 AM
nehemiahphoto
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p.5 #18 · Sony FE 20mm f/1.8 G Versus Other Lenses


lambers wrote:
Unfortunately, another buyer will receive your perfectly good, already opened G20 lens.


I will sell mine on the b/s forum here on FM.



Mar 22, 2020 at 02:05 AM
Kalainen
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p.5 #19 · Sony FE 20mm f/1.8 G Versus Other Lenses


nehemiahphoto wrote:
Fuji and Zeiss and Leica (and others) put a ton of emphasis on their color science and tonal signatures, etc. The Zeiss T* coatings and micro-contrast have been one of the main selling points and differentiators of Zeiss for the last 40 years. I guarantee you're not getting the G 20 to look like a Loxia 21 with moving one or two sliders. You can color correct, and such, which I have done, but you're not getting the same nuanced color--you're getting in the ballpark. For some that's good enough.


For me the most important difference with Zeiss lenses have always been colors & contrast. The example we are discussing here is very much what I've observed as well. I've tried many G lenses, and to me, they just don't have same brilliance as the Zeiss or GM ones. For example, little while ago I tested the new E 16-55mm F2.8 G lens, and while it is a good lens sharpness wise, it doesn't have brilliance of colors (compared to Zeiss). The GM's have great colors, good brilliance of colors, which I would rate up there with the Zeiss, but still a bit different from Zeiss. Which one one prefers is really a matter of taste (I prefer Zeiss, but maybe just because I've started with Zeiss). Maybe it's the glass materials of G lenses or coatings, but there's a difference. And sure one can 'correct it' afterwards, but in the end it's not there in original data captured by the camera (and besides it's tedious and one doesn't have reference point) - though everyone should judge for themselve if it's important or not.

A little sidenote as we are discussing flares as well: there's a very interesing story of how Zeiss designs the aesthetics of flares in the Supreme Primes (cine lenses) - https://lenspire.zeiss.com/cine/en/article/from-ghostbuster-to-ghostfather
Shows a bit the process how you factor in the aesthetics in lens design.



Mar 22, 2020 at 04:20 AM
Holger
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p.5 #20 · Sony FE 20mm f/1.8 G Versus Other Lenses


nehemiahphoto wrote:
I personally don't return lenses if I don't keep the lens for preferential reasons. I only return when something is wrong--de-centered, already opened when it says it's new and such.

Fuji and Zeiss and Leica (and others) put a ton of emphasis on their color science and tonal signatures, etc. The Zeiss T* coatings and micro-contrast have been one of the main selling points and differentiators of Zeiss for the last 40 years. I guarantee you're not getting the G 20 to look like a Loxia 21 with moving one or two sliders. You can color correct, and such, which I
...Show more
I still think people spend too much time with this "tonal subtleties" and minutia. They spend hours discussing A vs. B, weigh this against that. In a blind test I bet this very same people won't be able to distinguish the lenses they are discussing (unless we include characteristica like sun stars, for example). Post processing, the motive, the perspective, the composition are much more important.
If I need to spend a lot of time finding out differences, in my opinion that's time better spend on taking images and improving technique. Interestingly, I usually find people not doing this for a living to discuss it most. A look at their Flickr, Insta etc. (I don't mean anyone specific here, so please don't take that personal) often shows images which won't look better irrespective of lens used. That's my personal opinion.
Of course people are free to do so, esp. if its their hobby, but to what purpose? I think nobody will stand in front of an image and think, would that have been better looking when taking with lens B vs. lens A? The very fact alone that so many opinions exists tells me a lot about this latest lenses. I had the Loxia. And I now have the 20G and sold the Loxia. I cannot find enough positives for the Loxia and color differences are the least of my concern. You will have your opinion which likely differs from mine.



Mar 22, 2020 at 08:22 AM
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