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FM Review: Sigma 45mm f/2.8 DG DN Contemporary

  
 
scrappydog
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p.58 #1 · p.58 #1 · FM Review: Sigma 45mm f/2.8 DG DN Contemporary


Dave Sanders wrote:
Had a moment where I thought I was crazy then checked OpticalLimits. Their findings similar to my subjective impressions.

I find the Sigma 45 gets knocked for its sharpness because lots of folk shoot something up close in their house as soon as they get it out of the box; the 55 gets knocked for its bokeh because lots of people shoot busy backgrounds to see if it has messy bokeh with busy backgrounds.

When shot to their strengths, both lenses are excellent.

I don't have the Zony 55, so I cannot comment. I have shot it and my impression is that it is sharp.

My impression of the Sigma 45, which I own, is that it is very sharp when shot at what I would consider "normal" distances from my subjects. I can invoke noticeable spherical aberration, but I have to be within 4-6 inches of the subject. If it's a human or a pet, forget it -- you are too close. If you shoot 1-2 meters away, the sharpness is there on the focus plane and the spherical aberration works wonders in the background.



May 11, 2022 at 10:45 PM
darrellc
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p.58 #2 · p.58 #2 · FM Review: Sigma 45mm f/2.8 DG DN Contemporary


Lens is back to $249 at Adorama. Tempted, as I look at the pics I took with it during a period of ownership and am impressed.


May 12, 2022 at 12:51 AM
sergun
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p.58 #3 · p.58 #3 · FM Review: Sigma 45mm f/2.8 DG DN Contemporary


Wide open, two vertical frames, the first 5-7 meters did not get into the sharpness zone. This is normal and overall excellent sharpness and color on the open.
Mamaev Kurgan (May 9, 2022) by Сергей Пашнин, on Flickr



May 12, 2022 at 02:18 AM
kevphoto
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p.58 #4 · p.58 #4 · FM Review: Sigma 45mm f/2.8 DG DN Contemporary


Stopped down just a bit and focused close it's really quite nice:

f/4












A bit further away at f/2.8:







May 12, 2022 at 06:18 AM
grahamgibson
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p.58 #5 · p.58 #5 · FM Review: Sigma 45mm f/2.8 DG DN Contemporary


Dave Sanders wrote:
Are you sure you have an in spec copy of the Sigma 45? Could be focus error as well. My 45 is as sharp or sharper than the Zony 55 when both wide open and in the 1.5m+ subject distance range.

It gets softer getting closer, for sure, but at normal subject distances, it's as sharp wide open and likely sharper stopped down, especially at infinity.




I'll share below my own test which is totally unscientific but is why I characterized the 55 as sharper. They're both sharp enough for me honestly. This was to evaluate bokeh, which is more of what I was interested in when comparing these lenses. Focus is on the "little tikes" lettering, view the full sizes to see detail. I moved back with the 55 to try to keep the same relative subject size, but it ended up a little larger on the Sigma's image (a small advantage). I'll throw the CV40 in as well, which was shot from the same spot as the Sigma. These were taken on an A7rII.

I still have all of these lenses btw, I can't seem to bring myself to sell any of them.

Sigma 45 @ 2.8
full size


Sony 55 @1.8
full size


And for fun, here's the CV40 @ 1.2
full size



May 12, 2022 at 01:07 PM
Oogappeltje
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p.58 #6 · p.58 #6 · FM Review: Sigma 45mm f/2.8 DG DN Contemporary


Make It Happen



May 15, 2022 at 03:33 PM
Oogappeltje
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p.58 #7 · p.58 #7 · FM Review: Sigma 45mm f/2.8 DG DN Contemporary


Not the most favorable lens for a lowlight concert, but made do. Even with AF on it give me some keepers, but rather used MF.



May 23, 2022 at 09:08 AM
thousandths
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p.58 #8 · p.58 #8 · FM Review: Sigma 45mm f/2.8 DG DN Contemporary




























Picked up this lens when it was on a fire sale a month ago. It's solid for the size and price.



May 30, 2022 at 12:09 AM
 


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sergun
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p.58 #9 · p.58 #9 · FM Review: Sigma 45mm f/2.8 DG DN Contemporary


City12 by Сергей Пашнин, on Flickr


Jun 06, 2022 at 03:07 PM
Oogappeltje
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p.58 #10 · p.58 #10 · FM Review: Sigma 45mm f/2.8 DG DN Contemporary




r



Jun 07, 2022 at 01:44 PM
Oogappeltje
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p.58 #11 · p.58 #11 · FM Review: Sigma 45mm f/2.8 DG DN Contemporary


perfect small just-the-one-lens-for-today package





Jun 20, 2022 at 02:34 AM
Fred Miranda
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p.58 #12 · p.58 #12 · FM Review: Sigma 45mm f/2.8 DG DN Contemporary


Father's day snapshot with my kids. :-)




  ILCE-7RM4A    45mm F2.8 DG DN | Contemporary 019 lens    45mm    f/2.8    1/400s    100 ISO    0.0 EV  




Jun 20, 2022 at 10:42 AM
GMPhotography
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p.58 #13 · p.58 #13 · FM Review: Sigma 45mm f/2.8 DG DN Contemporary


Nice

Iím in serious debate between my ears . Sigma 45 or Sony 50 2.5 G

My A7c and PZ 16-35 are ready for pickup today. Been leaning on the Sony



Jun 20, 2022 at 10:55 AM
Fred Miranda
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p.58 #14 · p.58 #14 · FM Review: Sigma 45mm f/2.8 DG DN Contemporary


GMPhotography wrote:
Nice

Iím in serious debate between my ears . Sigma 45 or Sony 50 2.5 G

My A7c and PZ 16-35 are ready for pickup today. Been leaning on the Sony


The Sigma 45/2.8C captures a pleasant look to my eyes but the Sony likely has faster and more accurate AF.
I love the Sigma when shooting outdoors and not feeling like carrying the 50/1.2 around. It works great for group shows where I would have to stop the 50/1.2 anyways.



Jun 20, 2022 at 11:14 AM
BruceRH
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p.58 #15 · p.58 #15 · FM Review: Sigma 45mm f/2.8 DG DN Contemporary


GMPhotography wrote:
Nice

Iím in serious debate between my ears . Sigma 45 or Sony 50 2.5 G

My A7c and PZ 16-35 are ready for pickup today. Been leaning on the Sony


Wait for Adorama to put the Sigma on sale for $249, it is a screaming deal. They seem to do it every few months. I bought mine last Christmas season but I have seen it for that price several times since.



Jun 20, 2022 at 11:31 AM
walknorth
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p.58 #16 · p.58 #16 · FM Review: Sigma 45mm f/2.8 DG DN Contemporary


BruceRH wrote:
Wait for Adorama to put the Sigma on sale for $249, it is a screaming deal. They seem to do it every few months. I bought mine last Christmas season but I have seen it for that price several times since.


On sale at $249 all over right now. Just bought one, well, just because of all the kudos here. First day impression, mostly testing, ok sharpness, auto focus ok but not fast, rendering opinion will wait until I've will used it a while. Not going to displace the 40G as a small carry lens on the A7C.

Haven't tried it on the A7R4.



Jun 20, 2022 at 02:31 PM
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