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Archive 2021 · Sigma 90mm and 24mm F2 DG DN | Contemporary

  
 
Fred Miranda
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p.8 #1 · Sigma 90mm and 24mm F2 DG DN | Contemporary


As far as distortion, I would not be surprised if the 90/2.8 DG DN behaves similarly to the Sigma 65/2 DG DN with some pincushion.
https://www.fredmiranda.com/forum/topic/1689786/1#15522857

(Also the 85/1.4 DG DN)



Sep 03, 2021 at 08:38 PM
bjornthun
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p.8 #2 · Sigma 90mm and 24mm F2 DG DN | Contemporary


Lenstip meassures the Sigma 65/2 C at +2.51% pincushion distortion.


Sep 03, 2021 at 08:56 PM
bjornthun
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p.8 #3 · Sigma 90mm and 24mm F2 DG DN | Contemporary


From SAR:
Nokishita leaked both lens specs:

90mm F2.8 DG DN | Contemporary
11 lenses in 10 groups
9 diaphragm blades (circular diaphragm)
minimum shooting distance 0.5m
maximum shooting magnification 1: 5
filter diameter 55mm
Size φ64×59.7mm
weight 295g
Suggested retail price in Japan the same as the 35mm F2

Sigma 24mm F2 DG DN | Contemporary
13 lenses in 11 groups
9 diaphragm blades (circular diaphragm)
minimum shooting distance 24.5cm
maximum shooting magnification 1: 6.7
filter diameter 62mm
size. It is φ70x72mm
weighs 365g
compatible with magnetic caps.
Suggested retail price in Japan the same as the 35mm F2

Link, https://www.sonyalpharumors.com/sigma-launches-official-teaser-for-the-september-9-announcement-and-here-are-the-24mm-f-2-0-specs/



Sep 03, 2021 at 09:00 PM
Flavourdynamic
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p.8 #4 · Sigma 90mm and 24mm F2 DG DN | Contemporary


I want to love these lenses but it's just so weird to me that they are not fully weather sealed. If I had to go home when it starts raining here in southern scandinavia I think I'd get about 10 pictures per year


Sep 03, 2021 at 09:15 PM
Fred Miranda
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p.8 #5 · Sigma 90mm and 24mm F2 DG DN | Contemporary


wow, the 24/2 DG DN will be a serious lens. Probably sharp wide open to the corners. It's almost the size of the 65/2 DG DN, only a tad shorter and 40 grams lighter.
The currently 24/3.5 is way smaller and lighter and has 1:2 magnification instead of 1: 6.7.



Sep 03, 2021 at 09:19 PM
bjornthun
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p.8 #6 · Sigma 90mm and 24mm F2 DG DN | Contemporary


Flavourdynamic wrote:
I want to love these lenses but it's just so weird to me that they are not fully weather sealed. If I had to go home when it starts raining here in southern scandinavia I think I'd get about 10 pictures per year


Weather sealed lenses is something rather new. The Nikon DSLR lenses, I used to own, most often weren’t weather sealed, neither the manual focus Olympus OM glas before that. Still I coped, and I too live in southern Scandinavia.



Sep 03, 2021 at 09:21 PM
bjornthun
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p.8 #7 · Sigma 90mm and 24mm F2 DG DN | Contemporary


Fred Miranda wrote:
wow, the 24/2 DG DN will be a serious lens. Probably sharp wide open to the corners. It's almost the size of the 65/2 DG DN, only a tad shorter and 40 grams lighter.
The currently 24/3.5 is way smaller and lighter and has 1:2 magnification instead of 1: 6.7.


Sigma 24/2 C weighs 30 grams more than the Batis 25/2 and takes 62mm filters instead of 67mm that the Batis takes. Also the Batis 25/2 is 10/8 elements/groups compared to 13/10 in case of the Sigma 24/2 C. Then there’s the haptics and controls,…, Sigma wins, I think.

Sony 24/1.4 GM has also got 13/10 elements/groups.



Sep 03, 2021 at 09:27 PM
philip_pj
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p.8 #8 · Sigma 90mm and 24mm F2 DG DN | Contemporary


'+2.51% pincushion'

Not ideal but tolerable if it happens. Zeiss long term rule dating from pre-digital is 2%. Batis 85mm is 2.1% pincushion; Sony 100/2.8 STF is 2.4%; Sony 24-105/4 (at 105mm) is 3%. Loxia 85mm is 1.1%.



Sep 03, 2021 at 10:07 PM
freaklikeme
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p.8 #9 · Sigma 90mm and 24mm F2 DG DN | Contemporary


bjornthun wrote:
Sigma 24/2 C weighs 30 grams more than the Batis 25/2 and takes 62mm filters instead of 67mm that the Batis takes. Also the Batis 25/2 is 10/8 elements/groups compared to 13/10 in case of the Sigma 24/2 C. Then there’s the haptics and controls,…, Sigma wins, I think.

Sony 24/1.4 GM has also got 13/10 elements/groups.


I think the real competition for the Sigma is the surprisingly strong performing Viltrox 24/1.8. It has a vignetting problem and some minor but complex distortion, but they also offer a profile for LR that clears both up well. It has the worst MFD in this class at .3M, but I can live with that. The 11 in 9 construction includes two asph and three ED elements. Backlit performance is solid with a light amount of veiling flare wide open and a tendency to have some ghosting with the sun in the frame, but both those qualities improve substantially stopped down. Bokeh's well-balanced front and back despite some minor SA wide open. Coma and CA correction are a little weak wide open, but the problem with both is gone by f/2.8 And it takes a 55mm filter, which, outside of former Nikon-shooters, is probably a more common size. While it lacks an MF/AF switch, it does have an aperture ring with third stops and a nicely wide focus ring that's decently dampened.

Stuffing all that goodness in at $429 is a fairly high bar. I hope the Sigma will be worth the extra couple of hundred.



Sep 03, 2021 at 11:20 PM
bjornthun
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p.8 #10 · Sigma 90mm and 24mm F2 DG DN | Contemporary


freaklikeme wrote:
I think the real competition for the Sigma is the surprisingly strong performing Viltrox 24/1.8. It has a vignetting problem and some minor but complex distortion, but they also offer a profile for LR that clears both up well. It has the worst MFD in this class at .3M, but I can live with that. The 11 in 9 construction includes two asph and three ED elements. Backlit performance is solid with a light amount of veiling flare wide open and a tendency to have some ghosting with the sun in the frame, but both those qualities improve substantially stopped
...Show more

Not in my country as no one carries Viltrox lenses. Samyang on the other hand is carried by all major photo stores. I still think Zeiss has homework to do here, if they want to stay competitive. Sigma is the middle ground pricewise and a well known brand.



Sep 04, 2021 at 03:11 AM
j4nu
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p.8 #11 · Sigma 90mm and 24mm F2 DG DN | Contemporary


bjornthun wrote:
Not in my country as no one carries Viltrox lenses. Samyang on the other hand is carried by all major photo stores. I still think Zeiss has homework to do here, if they want to stay competitive. Sigma is the middle ground pricewise and a well known brand.


The Viltrox has the worst onion rings I've ever seen:
https://www.flickr.com/photos/sonyalphablog/51174490141/in/album-72157719170571362/



Sep 04, 2021 at 04:42 AM
freaklikeme
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p.8 #12 · Sigma 90mm and 24mm F2 DG DN | Contemporary


bjornthun wrote:
Not in my country as no one carries Viltrox lenses. Samyang on the other hand is carried by all major photo stores. I still think Zeiss has homework to do here, if they want to stay competitive. Sigma is the middle ground pricewise and a well known brand.


That's too bad. Not even the APS-C lenses? Hopefully it will change when their 28/1.8 and 16/1.8 are released.



Sep 04, 2021 at 09:22 AM
freaklikeme
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p.8 #13 · Sigma 90mm and 24mm F2 DG DN | Contemporary


j4nu wrote:
The Viltrox has the worst onion rings I've ever seen:
https://www.flickr.com/photos/sonyalphablog/51174490141/in/album-72157719170571362/


That's one area where I'm hoping the Sigma is an improvement, but I'd take those onion rings over the petri dish look of the Samyang. The rings are distinct and kind of beautiful in their own way.



Sep 04, 2021 at 09:26 AM
bjornthun
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p.8 #14 · Sigma 90mm and 24mm F2 DG DN | Contemporary


freaklikeme wrote:
That's too bad. Not even the APS-C lenses? Hopefully it will change when their 28/1.8 and 16/1.8 are released.


No, and only one retailer carries Voigtländer, and that only half heartedly at best.



Sep 04, 2021 at 09:28 AM
j4nu
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p.8 #15 · Sigma 90mm and 24mm F2 DG DN | Contemporary


freaklikeme wrote:
That's one area where I'm hoping the Sigma is an improvement, but I'd take those onion rings over the petri dish look of the Samyang. The rings are distinct and kind of beautiful in their own way.


Well, I guess if you like onion rings that's the only reason to get the Viltrox, as it seems from the reviews I've read it's the worst of the bunch...



Sep 04, 2021 at 09:39 AM
freaklikeme
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p.8 #16 · Sigma 90mm and 24mm F2 DG DN | Contemporary


bjornthun wrote:
No, and only one retailer carries Voigtländer, and that only half heartedly at best.


That sucks (particularly about the CV lenses).

I agree with you about Zeiss, but I'm not sure how competitive they plan to be right now. It seems they've taken a step back from new lens development.



Sep 04, 2021 at 09:55 AM
freaklikeme
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p.8 #17 · Sigma 90mm and 24mm F2 DG DN | Contemporary


j4nu wrote:
Well, I guess if you like onion rings that's the only reason to get the Viltrox, as it seems from the reviews I've read it's the worst of the bunch...


I shot it and the Samyang side-by-side, and the Samyang's a bit sharper and significantly lighter, and the Viltrox has better bokeh and a better build, but optically, they're more similar than they are different.



Sep 04, 2021 at 10:20 AM
j4nu
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p.8 #18 · Sigma 90mm and 24mm F2 DG DN | Contemporary


freaklikeme wrote:
I shot it and the Samyang side-by-side, and the Samyang's a bit sharper and significantly lighter, and the Viltrox has better bokeh and a better build, but optically, they're more similar than they are different.


Ok, I guess you have better info than me .



Sep 04, 2021 at 12:35 PM
bjornthun
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p.8 #19 · Sigma 90mm and 24mm F2 DG DN | Contemporary


Pictures of the upcoming Sigma 24/2 C and 90/2.8 C from photorumors.com, https://photorumors.com/2021/09/07/first-leaked-pictures-of-the-upcoming-sigma-24mm-f-2-and-90mm-f-2-8-dg-dn-contemporary-lenses/




Sep 07, 2021 at 06:12 PM
Dave Sanders
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p.8 #20 · Sigma 90mm and 24mm F2 DG DN | Contemporary


Wow, that 90 look gooood. Smaller than I had imagined.


Sep 07, 2021 at 06:18 PM
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