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Archive 2019 · Sigma 14-24mm f/2.8 DG DN first impressions

ftllens
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p.15 #1 · p.15 #1 · Sigma 14-24mm f/2.8 DG DN first impressions

I thought the Sigma 14 1.8 felt quite nice on the A9. And this is smaller?? I didn't realize how (relatively) compact it was until I just looked up its specs. For some reason I thought it was a kilo lens like the HSM one.

Been looking for a UWA and this seems perfect.

Which of you guys are the ones bidding on the one on eBay right now? lol

Sep 24, 2019 at 10:11 PM

rvh23
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p.15 #2 · p.15 #2 · Sigma 14-24mm f/2.8 DG DN first impressions

Corner comparison of the "worst performing" corner of my fairly well centered (fourth) copy of the sigma zoom at 21mm, against my well centered loxia [email protected]. They look pretty close in sharpness to me, certainly within my focusing accuracy in the field. 100% minimally sharpened crops from 61mp (which I am finding is noticeably less forgiving than 42mp when pixel peeping like this).

Edited on Sep 25, 2019 at 12:53 AM · View previous versions

Sep 25, 2019 at 12:21 AM

rvh23
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p.15 #3 · p.15 #3 · Sigma 14-24mm f/2.8 DG DN first impressions

and at F4 (the loxia needed to be refocused to retain best focus when stopping down, whereas the sigma didn't)

Sep 25, 2019 at 12:36 AM

pdmphoto
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p.15 #4 · p.15 #4 · Sigma 14-24mm f/2.8 DG DN first impressions

I have seen a ton of pics (even have a few) from the Loxia 21 that just make me say wow! I haven't seen anything from the Sigma 14-24 that has given me that response. I don't know if it the color, contrast, whatever...

Sep 25, 2019 at 01:57 AM

rvh23
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p.15 #5 · p.15 #5 · Sigma 14-24mm f/2.8 DG DN first impressions

There aren't many images around yet from the Sigma because it hasn't been out very long compared to the Loxia, and it probably won't have the same broad uptake. But color and contrast are both excellent, much nicer imo than the Sony zooms. The only 'wow' factor I miss with the Sigma is the Loxia's sunstar (which is why I have the Loxia as well).

Sep 25, 2019 at 02:31 AM

scrappydog
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p.15 #6 · p.15 #6 · Sigma 14-24mm f/2.8 DG DN first impressions

AGeoJO wrote:
I am not questioning the performance of the lens. Some folks buy the lens, not realizing the size and its weight. They get caught in the craze, so to speak. After a while they started rethinking about their lens line up and the weight starts to bug them, or some unexpected filter aspects, or what not. Plus, it is possible that another company or even Sony itself will come out with another lens or other lenses that will be competing with this lens. I have seen quite a few samples where some lenses got a favorable review by the FM...Show more →

I'm well aware of people's propensity to flip lenses. I'm with Fred on this one: once you try this lens, it's really addictive and the IQ doesn't disappoint. Several people have commented that their copies were decentered, so for those looking to buy off the B&S board, be wary of this risk.

Sep 25, 2019 at 07:07 AM

theacguy71
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p.15 #7 · p.15 #7 · Sigma 14-24mm f/2.8 DG DN first impressions

Fred Miranda wrote:
Seriously don't try it or you will get hooked, especially on the A7R4. Aside from a few primes near the long end, nothing comes even close to it. (Lox 21, CV 21/1.4 and FE 24/1.4)

Im going to try to pretend i did not read this.....

Trying to wait for 14/15mm GM,

Sep 25, 2019 at 07:27 AM

GMPhotography
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p.15 #8 · p.15 #8 · Sigma 14-24mm f/2.8 DG DN first impressions

theacguy71 wrote:
Im going to try to pretend i did not read this.....

Trying to wait for 14/15mm GM,

Unfortunately I read it. Debating its use. But it would serve two masters or both my MF kit and AF kit. First something has to go. Ouch but the CV 12 and CV 21 1.4 I would sell. Soooo as my MF kit I would have this 14-24, CV 40, CV 75. This would get me to three lenses instead of 4 . But it also solves a problem with the AF side , which I don’t have anything wider than the 24 Sony. Soooo 14-24, Sony 24 , sigma 45, 85 and 135. That gives me a nice range plus when I do have a assistant shooting with me on certain gigs it’s a 24 in crop mode. Which this would give me two 24. Don’t have to rent anything.

Okay this is way to logical.

I’m going to go to Samys and at least look at it if they have one . Selling my new CV 21 is going to hurt and my custom cv 12 with hood cut off and use 62mm filters is painful too. I maybe listing them

Sep 25, 2019 at 09:36 AM

theacguy71
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p.15 #9 · p.15 #9 · Sigma 14-24mm f/2.8 DG DN first impressions

GMPhotography wrote:
Unfortunately I read it. Debating its use. But it would serve two masters or both my MF kit and AF kit. First something has to go. Ouch but the CV 12 and CV 21 1.4 I would sell. Soooo as my MF kit I would have this 14-24, CV 40, CV 75. This would get me to three lenses instead of 4 . But it also solves a problem with the AF side , which I don’t have anything wider than the 24 Sony. Soooo 14-24, Sony 24 , sigma 45, 85 and 135. That gives me a nice range...Show more →

I hear ya! I really like the CV21 and the 24GM, would be hard to let them go, BUT a really good sharp 14-24 with AF does sound practical and useful to me

I tried the Sig 35 briefly, i just could not get over the weight, MF feel was very good though, hard to find lenses that match the CV manual focus feel

Anyone tried both the Sigma 35 and the 14-24 zoom, curious as to the manual focus feel?

(14/15GM and 35/40GM would be a nice option one day). lol

Sep 25, 2019 at 10:54 AM

httivals
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p.15 #10 · p.15 #10 · Sigma 14-24mm f/2.8 DG DN first impressions

The 24 GM is, to me, at least, entirely different than the Sigma zoom. It's f1.4. On the A7RIV, it gives you all sorts of high megapixel options when cropping or in crop mode - 28mm and 35mm equivalents and focal lengths in between. It has beautiful bokeh and focus fall off. I don't think a zoom can replace it.

Sep 25, 2019 at 11:21 AM

GMPhotography
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p.15 #11 · p.15 #11 · Sigma 14-24mm f/2.8 DG DN first impressions

httivals wrote:
The 24 GM is, to me, at least, entirely different than the Sigma zoom. It's f1.4. On the A7RIV, it gives you all sorts of high megapixel options when cropping or in crop mode - 28mm and 35mm equivalents and focal lengths in between. It has beautiful bokeh and focus fall off. I don't think a zoom can replace it.

I would totally agree here plus if you went the zoom route most of us need something fast and the Sony 24 is the perfect candidate for that.

Sep 25, 2019 at 11:32 AM

GMPhotography
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p.15 #12 · p.15 #12 · Sigma 14-24mm f/2.8 DG DN first impressions

Curious how big this is like to a Sony lens we know of

Sep 25, 2019 at 11:34 AM

AGeoJO
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p.15 #13 · p.15 #13 · Sigma 14-24mm f/2.8 DG DN first impressions

scrappydog wrote:
I'm well aware of people's propensity to flip lenses. I'm with Fred on this one: once you try this lens, it's really addictive and the IQ doesn't disappoint. Several people have commented that their copies were decentered, so for those looking to buy off the B&S board, be wary of this risk.

Again, I love sharp lenses and I am all for getting the best out of the sensor, especially with the 61MP sensor. But there are cases, actually a lot of cases where the slight difference can only be seen if you seriously pixel peep. Under real life conditions in landscape photography where you stop down to get a certain depth-of-field the difference is almost non-existent. If visible, the real life rendition would play more of a role and at that point, who cares whether the branch in the very corner is rendered sharper or not. That is even less pronounced if you print the image, almost to a point of who cares

. I am just saying...

I believe the difference in aperture for certain usage is more palpable. For example, the CV 21mm f/1.4 is a very intriguing lens, and if used in a certain way, can render a uniquely different image that, let's say, the Loxia 21mm having a maximum aperture of only f/2.8 can only dream of. Another example is the GM 24mm f/1.4 with that fast aperture speed that stands on its own. With the same token, I can see the difference in the Sigma 35mm at f/1.2 compared to another lens having a smaller aperture. Plus, rendition, both of the model and bokeh, can vary quite a bit used at wide open or close to wide open aperture. But here, we are talking about an ultra wide angle zoom mostly used for landscape.

With that said, I may end up with one but I will wait until the craze has subsided. I got caught too many time in such a craze already. Cheers and keep on shooting!

Sep 25, 2019 at 12:28 PM

scrappydog
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p.15 #14 · p.15 #14 · Sigma 14-24mm f/2.8 DG DN first impressions

AGeoJO wrote:
Again, I love sharp lenses and I am all for getting the best out of the sensor, especially with the 61MP sensor. But there are cases, actually a lot of cases where the slight difference can only be seen if you seriously pixel peep. Under real life conditions in landscape photography where you stop down to get a certain depth-of-field the difference is almost non-existent. If visible, the real life rendition would play more of a role and at that point, who cares whether the branch in the very corner is rendered sharper or not. That is even less pronounced...Show more →
Thanks for the lecture on why people buy lenses and the value of pixel peeping. I will keep on shooting with my 25 lenses including, and most particularly, the Sigma 14-24mm.

Sep 25, 2019 at 01:47 PM

GMPhotography
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p.15 #15 · p.15 #15 · Sigma 14-24mm f/2.8 DG DN first impressions

Lol okay okay yes we are Lens whores.

I'm thinking of going for it. It solves a few things

Sep 25, 2019 at 02:29 PM

smpetty
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p.15 #16 · p.15 #16 · Sigma 14-24mm f/2.8 DG DN first impressions

GMPhotography wrote:
Curious how big this is like to a Sony lens we know of

Look HERE. If you tap or click on the camera body, it will show you the size and weight of each lens. Size wise, the Sigma is pretty good, not so much bigger than the Sony 12-24. It’s heavy at 795g but reasonable for what you get.

On a side note, is Camera Size being actively updated? There is only one Voigtlander lens (a wonky image of a CV110) and the new Sony 35/1.8 is nowhere to be found.

Sep 25, 2019 at 03:08 PM

Fred Miranda
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p.15 #17 · p.15 #17 · Sigma 14-24mm f/2.8 DG DN first impressions

I just tested using a Lee 4-stop Gel filter at the rear filter slot and it was a success. No induced field curvature since the gel is so thin but there is a slight color shift. (normal with NDs)

The good news is that resolution/contrast is maintained even towards the corners throughout the zoom range.

You may be able to see the Lee filter installed here:

(I will post some crops showing resolution and color before and after the filter)

Sep 25, 2019 at 03:48 PM

Jacknut16
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p.15 #18 · p.15 #18 · Sigma 14-24mm f/2.8 DG DN first impressions

In practical terms it's not a very noticeable difference between the 14-24 Sigma and the 12-24 Sony, size and weight wise.

Sep 25, 2019 at 04:53 PM

spirolino
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p.15 #19 · p.15 #19 · Sigma 14-24mm f/2.8 DG DN first impressions

@Fred: Your pilot rear filter looks really good. How did cut the gel into shape?

I found a similar investigation on producing and using shaped gel filters with Canon Ultra wide lenses:
https://www.dpreview.com/forums/thread/3986161

Used ND filter gels are from Knight Optics (UK). Available are
ND 0.1, ND0.2...ND 1.0, ND 2, ND3, ND 4 gels.

30 GBP each 50mmx50mm sheet.
https://www.knightoptical.com/stock/optical-components/uvvisnir-optics/filters/neutral-density-filters/gelatine-neutral-density-filters/

Where can you buy Lee gels?

Sep 25, 2019 at 04:59 PM

rvh23
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p.15 #20 · p.15 #20 · Sigma 14-24mm f/2.8 DG DN first impressions

Fred Miranda wrote:
I just tested using a Lee 4-stop Gel filter at the rear filter slot and it was a success. No induced field curvature since the gel is so thin but there is a slight color shift. (normal with NDs)

The good news is that resolution/contrast is maintained even towards the corners throughout the zoom range.

You may be able to see the Lee filter installed here:

(I will post some crops showing resolution and color before and after the filter)

Thanks Fred. Can you comment on your thoughts regarding the practicality of using the gel filter in the field.Looks like it might be a bit like putting in contact lenses - not good in outdoor environments.

Sep 25, 2019 at 05:01 PM

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