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The Sigma 45mm F2.8 DG DN Contemporary - SL users should take a look


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I'm continuing to campaign for recognition of this len's remarkable properties.  I've just been for a walk with the SL2 and the Sigma 45 f.28 (https://www.ctribble.co.uk/galleries/PERSONAL/Lakes_2020_Whitbarrow_Scar/index.html), and have been blown away by having an instrument to hand which allows me to take images like this:

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... and this

... and this

... with just the one lens.  If Leica made a lens like this I'd be interested - but it would have to be remarkably good to justify a Leica price tag!

Edited by chris_tribble
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My examples - Sigma 45 2.8 - Part 1/3 - jpeg ooc / no editing (Leica SL)

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My examples - Sigma 45 2.8 - Part 2/3 - jpeg ooc / no editing (Leica SL)

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My examples - Sigma 45 2.8 - Part 3/3 - jpeg ooc / no editing (Leica SL)

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Toobin - lovely. What I find seriously useful is the way the Sigma 45 combines near Macro capacity along with working as a very good general purpose lens.  And, although it's an all metal body,  it weighs less than the M 50 lux.  

Suddenly the SL2 doesn't feel like a big camera.  I can MAKE it big by slapping a large zoom onto it - but for an awful lot of uses a natural focal length prime is all I need.  Hey you can walk back or forward if you need to change the composition! 

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I’m very happy with mine as a walk around lens. Compact, light, and a good general purpose focal length. It’s slightly lower contrast than I would like when wide open, but that’s easy to address in software. Here is a shot from two night’s ago... Above Emerald Bay, CA.

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Every time I decide to sell this lens, I manage to take a picture like this.

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SL2 + Sigma 2.8/45 mm

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It really is a great lens for the money and I find it very useful on my SL2, when you think about it in the UK you can buy this lens and the Panasonic 50mm 1.4 S Pro for a combined price of around £2,300 new compared to the 50SL at £3,700. I got my SL2 when it was first launched having been an M & Q/2 user (and still are). To begin with I bought the 24-90, Sigma 35mm 1.2 and Sigma 45mm 2.8 plus the M adapter so I could use the M lenses (35 & 50 Lux plus 75). My dilemma now is the 50SL so much better than the 45mm Sigma + buying Panasonic 50mm 1.4 S Pro and having change for the new Sigma 100-400 plus 50% ish towards the 12-24 as well.

Given how good the 45mm is how do people now feel about the 50SL now and my possible combo above?

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I would be torn.  I'm sure that the 50 SL is a wonderful thing but if you think about it, is it worth it?  Check this comparison:

https://versus.com/en/leica-apo-summicron-sl-50mm-f-2-asph-vs-sigma-45mm-f-2-8-dg-dn-contemporary?filter[]=brands%3DLeica,Sigma&filter[]=prime_lens%3Dtrue&filter[]=minimum_focal_length%3D45,50

The Sigma lens at 1/10 the price of the Leica lens, is a half the size, 1/3 of the weight, is very sharp (if you respect its limitations wide open) and also has excellent close focus near macro capability.  Further real world evidence of excellence below (with no additional sharpening or post editing to the 100% crops):

 

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Edited by chris_tribble
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Another walk with the SL2 and the Sigma 45. It continues to delight:

🙂

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  • 1 month later...

After a week carrying the 24-90 (which I love, but...) what a pleasure to be out with the little Sigma 45 again.  I hear that the APO lenses are miracles of sharpness, but given the money, design (manual/auto switch, aperture ring), close focus capacity, weight ratios of the Sigma compared with the Leica, it will take a lot to persuade me to make another choice...

 

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May I add some pictures with this fabulous combination of SL2 and the Sigma lens? All ISO 800.

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Thanks for these...  I really do think this lens is going to be a classic.  It's sharp when you need to to be, enigmatic when that's called for, and renders colours beautifully (look at the sunflowers on the altar)...

And I'll re-state the value of looking at the B&H comparison:

https://www.bhphotovideo.com/c/compare/Sigma_45mm_f_2.8_DG_DN_Contemporary_Lens_for_Leica_L_vs_Leica_APO-Summicron-SL_50mm_f_2_ASPH._Lens_vs_Leica_APO-Summicron-SL_35mm_f_2_ASPH._Lens_vs_Leica_Summilux-SL_50mm_f_1.4_ASPH._Lens/BHitems/1492965-REG_1500020-REG_1464082-REG_1283367-REG

The Sigma focuses closer than the Leica,  it's a 1/3rd of the weight, it's half the size, and it costs around 10% of the Leica 50 apo list price! ($549 vs $4,995).  Depending on the day, I'm now tending to pair the Sigma with either the M 90 Elmar Macro or the 135 Apo-Telyt f3.4 if I need long, or with the Voigtlander Super-wide Heliar 15mm f4.5 mkIII, which is remarkably good.  Either way, the portability and performance of these combinations are very very good.

Edited by chris_tribble
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Hi Michael,

I have both the 50mm Summicron SL and the Sigma 45mm DG DN.  I actually purchased the Sigma first, and I do think that it is a great lens for the price.  I definitely appreciate Chris's enthusiasm for the lens.  For $600 U.S., you cannot really go wrong with it.

Now that I own the APO-Summicron SL, however, I never use the Sigma.  The slight difference in weight and bulk is more than offset by the improvement in image quality.  The Leica 50mm is close to optically perfect - no CA or distortion that I can see and razor sharp across the frame no matter the aperture.  What really makes me choose it over the Sigma though is the additional colour pop and contrast that the Sigma does not provide.  I like Sigma but have always found the images from their lenses to be a bit "flat" and muted.  Whether or not this difference merits the significant difference in price is another story and an individual choice, but I find myself these days to be shooting a lot at 50mm so for me it was worth it to make the most of my SL2.  I think if you look at the images in this thread and then compare them to images on other threads from the Summicron SL you will see what I mean.

I also shot Sony before I went to Leica, and used the 55mm Zeiss f1.8 quite a bit if that helps you for comparison as a Sony shooter yourself.  That lens is slightly superior to the Sigma (also more expensive) but again pales in comparison to the Summicron SL, particularly if you are shooting wide open.

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1 hour ago, XRayGuy said:

The Leica 50mm is close to optically perfect - no CA or distortion that I can see and razor sharp across the frame no matter the aperture.  What really makes me choose it over the Sigma though is the additional colour pop and contrast that the Sigma does not provide.  I like Sigma but have always found the images from their lenses to be a bit "flat" and muted.  Whether or not this difference merits the significant difference in price is another story and an individual choice, but I find myself these days to be shooting a lot at 50mm so for me it was worth it to make the most of my SL2.  

Thanks for the comment. You’re right in so many ways. Lenses are investments, bodies are just a means to an end.  One of the reasons I got the Sigma 45 was to see if I was wedded to the SL2 (having never really clicked with the SL).

I've now decided that the SL2 is a long term commitment, but still have to work out how it will coexist with the Ms. The plan was for it to be a companion platform for zooms with the M as the main tool.  Now I’m less sure.  If I do prioritise the SL2 then I’ll have to think about the Apo lenses - but may go for the 35 and the 75. In the meantime I’ll enjoy the 50 lux asph on the M and keep on taking pictures with whatever comes to hand.

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2 hours ago, chris_tribble said:

I've now decided that the SL2 is a long term commitment, but still have to work out how it will coexist with the Ms. 

It's funny you should say that Chris, as I am going through that same process now.  I go back and forth between having a compact SL2 with one of my M lenses on it and then I will leave one of the APO Summicrons (I have the 35 and 50 - I know they are close together but I shoot at those focal lengths a lot) on it for a week at a time.  I do have the 24-90mm and it is excellent but I find I do not use it as much unless I am going somewhere where I think a single do-it-all lens would be particularly useful.

I have found that it is the perfect body for the 0.95 Noctilux.  The balance is ideal and I find focusing it wide open so much easier than on an M.  The character of the 50 Noctilux an the 50 APO Summicron SL are completely different also.

All that said, the Sigma 45mm was a great starter lens.  It was the first autofocus lens I purchased for the SL2 in that initial period where I was not sure if I would only use the SL2 as an EVF M or if I wanted to actually buy in to a new lens ecosystem.  I do not regret it at all.  I kind of feel like Voigtlander is the prime value proposition for M lenses and Sigma is the value proposition for autofocus lenses right now.

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