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Sigma 45mm f/2.8 DG DN Contemporary Review

  
 
lensfan
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p.60 #1 · Sigma 45mm f/2.8 DG DN Contemporary Review


Joined the club of oversized pancake lovers. The light was already dying.
Both Lightroom and Capture One show me wrong apertures, not the ones I used while taking shots - first time I see this.



Oct 07, 2022 at 06:07 PM
lensfan
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p.60 #2 · Sigma 45mm f/2.8 DG DN Contemporary Review


Does not feel substantial as CV and CZ. Metal housing with air inside as glass is pancake-tiny.
Both aperture and focus rings are not mechanical (I guess AF wants control over aperture).
Huge not very popular 55mm filter thread for a pancake (why not 49mm?). I believe the only other 55mm thread lens I have is an old Zeiss Sonnar 2.8/135 from another era.
A bit annoying AF sounds - remind me of the my Canon EF 50m 1.8 I from 80th.
Images I got with it are not for pixel peeping. Overall impression seems ok (although not sure where my focus is as everything feels out of focus). Making it a special purpose lens for me. Looks like its destiny will be just like my old pristine Canon EF 40mm 2.8 which I still own - never use.
And why is the hood riffled on the outside? Cleaning dust will take extra time

Realized FW version of my lens is 1.01. Looks like they finally updated their Mac app to latest OS versions - will try to update and do some new test shots tomorrow.

UPD. For some reason the update did not work on the latest Mac. Windows updated the lens on the first attempt.

Shot at f3.2.



Oct 07, 2022 at 07:12 PM
Oogappeltje
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p.60 #3 · Sigma 45mm f/2.8 DG DN Contemporary Review





Oct 08, 2022 at 04:29 AM
lensfan
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p.60 #4 · Sigma 45mm f/2.8 DG DN Contemporary Review


After firmware update still feel like I'm not getting any sharp images at f2.8 at all - in AF-A, AF-S or AF-C modes.

JPEGS straight out of the camera.

F2.8
https://ibb.co/pXqGVsM
F2.8 EV+1
https://ibb.co/sKShCkz
F5.6 EV+1
https://ibb.co/s3DBdfQ
F5.6 EV+1
https://ibb.co/bKpWv7L
F2.8 EV+1
https://ibb.co/rtntw0K

Out of focus stuff is good for the price but I don't need it if there is no sharpness in my pictures.



Oct 08, 2022 at 10:50 AM
j4nu
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p.60 #5 · Sigma 45mm f/2.8 DG DN Contemporary Review


Hmm, a lot of glow in your photos. 45DN does glow, but only at close distances.
Seagulls shot looks like typical slight misfocus for this lens...
Not sure what +1EV (in post or in cam) shots are to show.

Edited on Oct 08, 2022 at 11:53 AM · View previous versions



Oct 08, 2022 at 11:34 AM
lensfan
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p.60 #6 · Sigma 45mm f/2.8 DG DN Contemporary Review


j4nu wrote:
Hmm, a lot of glow in your photos. 45DN does glow, but only at close distances.


I could not find a single shot at 2.8 where I could clearly see the plane of focus.
Shots 4 to 5 were shot at +1 EV in harsh light.
Shot 1 - normal exposure. Focus at center point but nothing is sharp in the center or near it.



Oct 08, 2022 at 11:52 AM
j4nu
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p.60 #7 · Sigma 45mm f/2.8 DG DN Contemporary Review


Yeah, the first shot is really weird (background looks pretty bad too and overall looks overexposed IMHO). Maybe a bad copy?
It shouldn't glow that much from further distance, but maybe it's the harsh light...



Oct 08, 2022 at 11:55 AM
lensfan
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p.60 #8 · Sigma 45mm f/2.8 DG DN Contemporary Review


j4nu wrote:
Yeah, the first shot is really weird. Maybe a bad copy?
It shouldn't glow that much from further distance, but maybe it's the harsh light...


I did not use the lens hood. Pictures are overexposed here but this is not an issue for me - can correct exposure during shot or in post.
But lack of sharpness at 2.8 is what bothers me.



Oct 08, 2022 at 11:58 AM
lensfan
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p.60 #9 · Sigma 45mm f/2.8 DG DN Contemporary Review


A couple more JPEGS straight out of the camera.

F2.8 EV+1
https://ibb.co/ZWwXTBh
F2.8 EV+1
https://ibb.co/HqQbTXX



Oct 08, 2022 at 12:06 PM
keepcoding
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p.60 #10 · Sigma 45mm f/2.8 DG DN Contemporary Review


lensfan wrote:
A couple more JPEGS straight out of the camera.

F2.8 EV+1
https://ibb.co/ZWwXTBh
F2.8 EV+1
https://ibb.co/HqQbTXX


Either you have grease all over the front/back of the lens or it is a bad copy. I would exchange it.

Also, the lens should not make an "annoying" AF sound (mine is almost silent).



Oct 08, 2022 at 12:09 PM
 


Search in Used Dept. 

lensfan
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p.60 #11 · Sigma 45mm f/2.8 DG DN Contemporary Review


Thank you - will play with focus at 2.8 a little bit more but will probably send back. Glass exterior looks perfectly fine.


Oct 08, 2022 at 12:21 PM
j4nu
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p.60 #12 · Sigma 45mm f/2.8 DG DN Contemporary Review


Just keep in mind, that wide-open the glow goes away only around > 1m:
https://www.fredmiranda.com/forum/topic/1608234/0#chapter4

(also a nice showcase of AF-C performance by Fred there).



Oct 08, 2022 at 02:25 PM
vdo1
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p.60 #13 · Sigma 45mm f/2.8 DG DN Contemporary Review


lensfan wrote:
Thank you - will play with focus at 2.8 a little bit more but will probably send back. Glass exterior looks perfectly fine.


I'd keep it, a digital Holga, what's not to like? Renders galore!



Oct 08, 2022 at 08:24 PM
chiron
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p.60 #14 · Sigma 45mm f/2.8 DG DN Contemporary Review


j4nu wrote:
Just keep in mind, that wide-open the glow goes away only around > 1m:
https://www.fredmiranda.com/forum/topic/1608234/0#chapter4

(also a nice showcase of AF-C performance by Fred there).


Great examples of the lens's rendering, visible even in test images, at the link.



Oct 08, 2022 at 08:43 PM
lensfan
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p.60 #15 · Sigma 45mm f/2.8 DG DN Contemporary Review


vdo1 wrote:
I'd keep it, a digital Holga, what's not to like? Renders galore!


It does not feel right when there is nothing substantially sharp in the image.



Oct 09, 2022 at 08:58 AM
j4nu
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p.60 #16 · Sigma 45mm f/2.8 DG DN Contemporary Review


Well, you can see in Fred's test it is a sharp lens (beats CV40 in center and corners), except <1m where there is visible SA glow. Maybe try another copy...


Oct 09, 2022 at 09:11 AM
lensfan
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p.60 #17 · Sigma 45mm f/2.8 DG DN Contemporary Review


j4nu wrote:
Well, you can see in Fred's test it is a sharp lens (beats CV40 in center and corners), except <1m where there is visible SA glow. Maybe try another copy...


Yeah, I tried manual focus - and didn't see things properly sharp through view finder at close and longer distances. Makes sense to try another one.
I must say my CV40 1.2 is definitely sharper than my Sigma.



Oct 09, 2022 at 09:18 AM
vdo1
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p.60 #18 · Sigma 45mm f/2.8 DG DN Contemporary Review


lensfan wrote:
It does not feel right when there is nothing substantially sharp in the image.


Well you could turn on that option that prints a time and date stamp in the image



Oct 09, 2022 at 09:05 PM
lensfan
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p.60 #19 · Sigma 45mm f/2.8 DG DN Contemporary Review


vdo1 wrote:
Well you could turn on that option that prints a time and date stamp in the image

I decided to send it back and get 35GM instead. This would be my 5th 35mm and I even don't use/like this focal length.... I blame GAS



Oct 10, 2022 at 04:43 PM
vdo1
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p.60 #20 · Sigma 45mm f/2.8 DG DN Contemporary Review


lensfan wrote:
I decided to send it back and get 35GM instead. This would be my 5th 35mm and I even don't use/like this focal length.... I blame GAS


In my book 35 is the least bad choice if you decide to travel with just one prime. Enjoy the GM, it's a fine lens.



Oct 10, 2022 at 08:53 PM
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