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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 11 Apr 2014 (Friday) 02:38
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Sigma 50mm f/1.4 DG HSM (Art) is finally here!

 
rampanthamster
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Jul 12, 2014 05:16 |  #856

im finding mine to be very accurate. I haven't done scientific tests but just spent about 30 mins taking pics of my kids, always focusing on the nearest eye at 1.4 and from various distances. One one body i've settled on about +5 mfa, and the other body doesn't seem to need any!


5D Mk III (x2) - 16-35 F/4L - 24-70 F/2.8 II L - 35 F/1.4L - Sigma 50 1.4 ART - 85 F/1.2L - 135 F/2.0L - Samyang 14mm F/2.8

  
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NatDeroxL7
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Jul 12, 2014 19:52 |  #857

This lens really performed well for me today. I went to mt ranier natl park with my 1 yr old.

In-focus rate was very good, and I even used my 5dII mid-corner points in servo. I felt like it was adequate to match the image quality.

The Forest was pretty dark so I mostly shot at ISO400+, so nothing worth pixel peeping at to ohh and ahh, but 1.4 looks like 2.0 on my old Zeiss MP2. I wish the sigma had a 1:2 macro capability though, I miss that.


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NatDeroxL7
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Jul 13, 2014 11:39 |  #858

1.4

IMAGE: https://farm4.staticflickr.com/3913/14620803446_ae7623158d_b_d.jpg

2.0

IMAGE: https://farm6.staticflickr.com/5545/14457106290_6401231b22_b_d.jpg

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NatDeroxL7
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Jul 13, 2014 12:11 |  #859

So one of the complaints of the lens is a tendency for nervous bokeh in the the transition areas.

The forest with speckled sunlight is a great place to get nervous bokeh, so I looked for one that had a decent bit of nervousness to it. It was actually harder to find than I thought it would have been.

At 50mm, small details in transition zones will always be difficult for any lens. Even the 50L, with all its help from its aberrations and slight softness, still can't help it that at 50mm the transition zone is rather large; and the focal length doesn't lend itself to isolating the subject from those objects that are in between the focal plane, and the "background", particularly in a non-studio environment.

Comparing this to the 85L or 135L is apple to oranges due to those lenses being quite able to just avoid any risk of transition areas being in the frame.

I wouldn't take the 50L with its focus shifting and general softness for the very slight advantage of less nervous transition bokeh. Especially since it is a rather quick 2-3 minute fix.

Just do a good job with your selection, refine the edge using a good feather. Multiple selection + refine +add to selection + refine may be required if you have multiple distinct focal planes or a complex image. I do lens blur radius 10-15 depending on the distance. Then reduce the structure of the selected area in Viveza. Contrast adjustments may be needed depending on the image.


Bottom line is, the "edited" image doesn't look unnatural at all, but the bokeh is softer, as if the image was taken with a lens with more aberrations or just a softer character, yet retains the sharpness where it counts.

Here is the original image and the one where the bokeh has been softened.

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR
IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR



Since it may be hard to see at web-size, here is a 100% of the bokeh before and after.

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR
IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR

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snake0ape
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Jul 13, 2014 18:57 as a reply to  @ NatDeroxL7's post |  #860

Who's saying that the sigma 50 has nervous bokeh in the transition areas? I find that the sig50mm (both sig classic and art) has less nervous than the 50L. That's the main reason I owned the sig 50 for several years over the 50L.


5Diii | 50D | 8-15L 4| 16-35L 2.8 II| 24-70L 2.8 II | 70-200L 2.8 IS II |Tamy 150-600 | Σ35Art 1.4 | 40 2.8 | Σ50Art 1.4 | 85L 1.2 II | 100 2.8 Macro | Helios 44-3 58mm f2.0 |Helios 40-1 85mm f1.5 | 1.4x & 2x teleconverters

  
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NatDeroxL7
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Jul 13, 2014 21:54 |  #861

It's not bad at all, but it is a problem that one usually finds in large aperture lenses 60mm and under. The new 50 Art is great at handling it.


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Patman99
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Jul 14, 2014 14:58 |  #862

Shot this one at F/1.4:

IMAGE: https://farm4.staticflickr.com/3915/14468550487_8ca7811860_b.jpg
IMAGE LINK: https://flic.kr/p/o3x6​Z2  (external link) PS_50001 (external link) by Patcave (external link), on Flickr



  
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Rey
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Jul 24, 2014 09:39 |  #863

Back in stock at BHPhoto. Finally got one and it's on it's way. All the images look great and I'm really looking forward to getting this in my hands and on the camera. I was waiting forever for Canon to update their 50mm 1.4 but they seem content with their 50mm lineup.


Canon 5D MKII • BG-E6 • Canon EOS-M • Canon 85mm F1.2L II USM • Canon 100mm F2.8L Macro IS USM • Canon 16-35mm F2.8L II USM • Canon 24-70mm F2.8L USM • Canon 70-200mm F2.8L IS USM • Sigma 50mm F1.4 ART • Canon Speedlight 600 EX-RT • Canon Speedlite 580EX II • Canon Speedlite 430EX II • Gitzo 3530 • Really Right Stuff BH-55 LR

  
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eddie3dfx
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Jul 24, 2014 10:24 as a reply to  @ Rey's post |  #864

I agree that the bokeh is extremely nervous. It's so nervous, that I find that my eye wanders to the bokeh over the focused image.
It's very clear that the focused portion is not only sharp, but extremely well detailed.
The pop is really amazing, but I would like to see more pictures with filters on the bokeh portion.


Canon 6D, Canon L 24-105, Zeiss Distagon 28mm 2.8, Planar 50mm 1.4, Planar 85mm 1.4, Sonnar 135mm 2.8 & Zeiss Mutar 2x, Canon 50mm 1.8
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Xyclopx
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Jul 24, 2014 11:18 |  #865

Patman99 wrote in post #17031574 (external link)
Shot this one at F/1.4:

Great pic btw. Love how the leaves are in focus with the girl and she's placed within the lighter area. Gj

Maybe I will get this lens for panos since it appears to be one of the sharpest lenses ever. Christmas gift perhaps.


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snake0ape
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Jul 24, 2014 11:28 |  #866

eddie3dfx wrote in post #17053016 (external link)
I agree that the bokeh is extremely nervous. It's so nervous, that I find that my eye wanders to the bokeh over the focused image.
It's very clear that the focused portion is not only sharp, but extremely well detailed.
The pop is really amazing, but I would like to see more pictures with filters on the bokeh portion.

In this lighting situation, a 85 1.2 will create less nervous bokeh. However for a 50mm, it's less nervous than other 50mm I know.


5Diii | 50D | 8-15L 4| 16-35L 2.8 II| 24-70L 2.8 II | 70-200L 2.8 IS II |Tamy 150-600 | Σ35Art 1.4 | 40 2.8 | Σ50Art 1.4 | 85L 1.2 II | 100 2.8 Macro | Helios 44-3 58mm f2.0 |Helios 40-1 85mm f1.5 | 1.4x & 2x teleconverters

  
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mystik610
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Jul 24, 2014 11:30 |  #867

FYI...just got a notification from BH that this is in stock if anyone is still hunting for one.


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renagade69
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Jul 24, 2014 12:51 as a reply to  @ mystik610's post |  #868

I just cancelled my Adorama order and ordered it from B&H. Hope to get it soon.


------------
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EF 16-35mm f/2.8L II USM , EF 24-70mm f/2.8L II USM,EF 70-200mm f/2.8L IS II USM

  
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lance60031x
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Jul 24, 2014 15:19 |  #869

renagade69 wrote in post #17053320 (external link)
I just cancelled my Adorama order and ordered it from B&H. Hope to get it soon.

just wondering when you placed your Adorama order.


7d mii, 5d miii, 70-200 f2.8 ii, 17-40 f4, 24-70 f2.8 ii, 24-105 f4, 100 macro L, 300 f4 canon 50 1.4, canon 85 1.8, siggy 35 f1.4 siggy 50 1.4 A

  
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renagade69
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Jul 24, 2014 15:43 |  #870

lance60031x wrote in post #17053631 (external link)
just wondering when you placed your Adorama order.

I placed my order on July 8th.


------------
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EF 16-35mm f/2.8L II USM , EF 24-70mm f/2.8L II USM,EF 70-200mm f/2.8L IS II USM

  
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Sigma 50mm f/1.4 DG HSM (Art) is finally here!
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