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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 14 Mar 2013 (Thursday) 05:09
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Sigma 50mm f1.4 - SOFT?

 
kin2son
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Mar 14, 2013 07:58 |  #16
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Get the Sigma 35 :)

Here it is in action -

Full image SOOC shot wide open @ f1.4 -

IMAGE: http://farm9.staticflickr.com/8335/8389036452_c739d51b3a_b.jpg
IMAGE LINK: http://www.flickr.com/​photos/kin2son/8389036​452/  (external link)
First Test Shot With The New Sigma 35f1.4 (external link) by Kinson C (external link), on Flickr

100%

IMAGE: http://farm9.staticflickr.com/8092/8389036558_2eb6857446_b.jpg
IMAGE LINK: http://www.flickr.com/​photos/kin2son/8389036​558/  (external link)
SOOC 100% crop (external link) by Kinson C (external link), on Flickr

See what I mean? :p

5D3 Gripped / 17-40L / Σ35 / 40 Pancake / Zeiss 50 MP / Σ85 / 100L Macro / 70-200 f2.8L II IS / 430 EX II / 580 EX II / Canon 2xIII TC / Kenko Ext. Tubes
EOS M / EF-M 18-55 / EF-M 22f2 / Ricoh GR aka Ultimate street camera :p
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stang67
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Mar 14, 2013 08:05 |  #17

YOWZA that's good :) It's also twice the price of the 50mm though :(


Canon 6D - Canon 1D Mk III - 70-200mm f/2.8L IS II | Σ 105mm f/2.8 | Canon 400mm f/5.6L | Σ 35mm f/1.4 | 17-40mm f/4L
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kin2son
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Mar 14, 2013 08:07 |  #18
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stang67 wrote in post #15713798 (external link)
YOWZA that's good :) It's also twice the price of the 50mm though :(

Well yes, but you get what you pay for :p

The new Sigma 35 is no joke, it's the sharpest 35mm out there beating out Canon, Nikon and Zeiss.


5D3 Gripped / 17-40L / Σ35 / 40 Pancake / Zeiss 50 MP / Σ85 / 100L Macro / 70-200 f2.8L II IS / 430 EX II / 580 EX II / Canon 2xIII TC / Kenko Ext. Tubes
EOS M / EF-M 18-55 / EF-M 22f2 / Ricoh GR aka Ultimate street camera :p
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stang67
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Mar 14, 2013 08:16 |  #19

See, I wanted to first get a great prime that didn't break me and then save for a full frame camera like the 5D Mark II but if I bought something like that 35mm, no way would I be able to get a 5D mark II or similar for at least 12 months :( My 30D is more or less my general use camera but I really wanted to upgrade to a more modern camera and use my 1D Mark II primarily for sports etc and then have the 30D as backup. Ahh decisions haha. But the general consensus is indeed get better glass first...


Canon 6D - Canon 1D Mk III - 70-200mm f/2.8L IS II | Σ 105mm f/2.8 | Canon 400mm f/5.6L | Σ 35mm f/1.4 | 17-40mm f/4L
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titi_67207
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Mar 14, 2013 08:21 |  #20

50mm like your Sigma & some 85mm lenses have their optic design inherited from the "Planar" formula : in 1896's year by Carl Zeiss manufacturer.

The main characteristics of "Planar" is their weak performances with close focus objects and "glow" at their widest apertures on contrasty scenes (but are very sharp close down). + the depth of field on such can at 50cm is something like 0.4cm...You can make some tests on more distant objects (or portraits...) to check if f/1.4 is usable or not. Personally I consider my 50mm & 85mm lenses as "f/2" lenses and not f/1.4.

Titi


Canon 5D MkII + Sony A7 + 24x36 & 6x6 B&W film cameras .
CV 15 4.5 III | TS-E 24L II | FE 28 2 | (50+85) 1.4 | 135 2 | 70-200 4.0L | a collection of old Zuikos + FD + Adaptall + AI-s + M42

  
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stang67
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Mar 14, 2013 08:23 |  #21

Okay thanks, will do ASAP out in daylight.


Canon 6D - Canon 1D Mk III - 70-200mm f/2.8L IS II | Σ 105mm f/2.8 | Canon 400mm f/5.6L | Σ 35mm f/1.4 | 17-40mm f/4L
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guitarjeff
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Mar 14, 2013 14:18 as a reply to  @ stang67's post |  #22

Just got my new 50mm from Adorama yesterday. It too was front focusing. I have the 4D2 and put it on a tripod and fiddled with it and got to plus five MA and I might be close to having it good enough. You definitely should have bought a new one for the warranty. That is why I wasn't about to buy one without a warranty. Here's one at 1.8 I think, my daughter.

IMAGE: http://farm9.staticflickr.com/8526/8555704779_f2dc08ec90_c.jpg
IMAGE LINK: http://www.flickr.com …/75139101@N06/8​555704779/  (external link) IMG_3992 (external link) by guitarjeff2810 (external link), on Flickr



  
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guitarjeff
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Mar 14, 2013 14:36 |  #23

I hadn't heard this before. I heard that it had problems but never that inherently it front focuses close and back focuses at range, yet this appears to be what my new one is doing. I got it to plus 5 micro adjustment and it sems pretty close to right. I did take it up to plus 18 until I saw the close ups very very sharp but then at long range it back focused really bad. Plus 5 has me close.

kin2son wrote in post #15713652 (external link)
I've been to the CRK office in Sydney wanting them to calibrate mine too. But they want my body as well for 2 weeks which I am reluntant to do.

Besides, I think this is the design flaw of the lens, that is front focus in close range, back focus at longer range.

It's well documented and that's the nature of this lens no calibration can fix unfortunately.

Sample looks damn sharp @ f2.5, look treat it as a max f1.8 lens and you'd feel a lot happier ;)




  
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h4ppydaze
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Mar 14, 2013 16:05 |  #24

Something is wrong with your lens, either focus issue or other problem. Sigma 50 1.4 is a great lens wide open. Bad photo incoming:

f1.4

IMAGE: http://i.imgur.com/RYTFLBy.jpg

Crop, no NR or adjustments from RAW... it'll sharpen up really nicely from here too.
IMAGE: http://i.imgur.com/HgyzxmZ.jpg



  
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snake0ape
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Mar 14, 2013 16:29 |  #25

It looks like one of the element is slightly de-centered so at 1.4 it gives you that halo.


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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stang67
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Mar 14, 2013 17:05 as a reply to  @ snake0ape's post |  #26

Wow, those examples look great.

Here are two I just took then (at 9AM).

http://imageshack.us/a​/img35/2395/img2355nf.​jpg (external link)
http://imageshack.us/a​/img13/3966/img2366jg.​jpg (external link)

Both at f1.4, 320 ISO, 1/2000th (would have dropped ISO but forgot all about it).


Canon 6D - Canon 1D Mk III - 70-200mm f/2.8L IS II | Σ 105mm f/2.8 | Canon 400mm f/5.6L | Σ 35mm f/1.4 | 17-40mm f/4L
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morph2_7
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Mar 14, 2013 17:39 |  #27

Eric Cartman.. LOL, I love the foul mouth kid.




  
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stang67
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Mar 14, 2013 19:41 |  #28

Haha I didn't know what else to take a photo of :P Those pictures look more decent than of the Solo can at least, but I think I will still have to sell the lens :(


Canon 6D - Canon 1D Mk III - 70-200mm f/2.8L IS II | Σ 105mm f/2.8 | Canon 400mm f/5.6L | Σ 35mm f/1.4 | 17-40mm f/4L
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stang67
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Mar 14, 2013 20:21 as a reply to  @ stang67's post |  #29

Just got another Sigma 50mm f1.4 haha...
Got it for $285 on ebay used. Knowing my luck it will be soft as hell as well but if that's JUST due to the fact that it needs focus adjustments and isn't stuffed like my one I have now looks to be, that's fine. I bet one way or another I will lose about $70 from reselling either or both lenses but I suppose that was bound to happen anyway. Either way, I'm not broke from this just yet so I can at least compare them when I receive this other one and then decide which to sell.


Canon 6D - Canon 1D Mk III - 70-200mm f/2.8L IS II | Σ 105mm f/2.8 | Canon 400mm f/5.6L | Σ 35mm f/1.4 | 17-40mm f/4L
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Tanglefoot47
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Mar 14, 2013 23:36 |  #30

h4ppydaze wrote in post #15715483 (external link)
Something is wrong with your lens, either focus issue or other problem. Sigma 50 1.4 is a great lens wide open. Bad photo incoming:

f1.4
QUOTED IMAGE

Crop, no NR or adjustments from RAW... it'll sharpen up really nicely from here too.
QUOTED IMAGE


LOL Rainier beer :p




  
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Sigma 50mm f1.4 - SOFT?
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