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FORUMS Sample Photo Archives Lens Sample Photo Archive 
Thread started 17 Jul 2013 (Wednesday) 12:07
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Sigma 18-35mm f/1.8 DC HSM

 
angelIV
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Apr 28, 2014 19:26 as a reply to  @ post 16864822 |  #466

delivered!!!!!!!

IMAGE: https://farm8.staticflickr.com/7181/14056946175_786bd2c281_b.jpg
IMAGE LINK: https://flic.kr/p/nqaw​mX  (external link) IMG_1205 (external link) by angeloIV (external link), on Flickr

IMAGE: https://farm3.staticflickr.com/2936/14056960725_153f86173a_b.jpg
IMAGE LINK: https://flic.kr/p/nqaA​FP  (external link) IMG_1197 (external link) by angeloIV (external link), on Flickr

Gear list: 7d, 50d, xti, EOS 66 film, Canon FTB,sigma 18-35 1.8 art len, EF 24-105L, 70-200f4. Manfrotto 190xpro, sirui g20x. BR metro.

  
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angelIV
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Apr 28, 2014 19:30 as a reply to  @ angelIV's post |  #467

test shots with and with out the filter @ 1.8

IMAGE: https://farm8.staticflickr.com/7344/14053778072_03e335ef94_c.jpg
IMAGE LINK: https://flic.kr/p/npTh​Au  (external link) IMG_1188 (external link) by angeloIV (external link), on Flickr

IMAGE: https://farm8.staticflickr.com/7417/14077030703_100f20b2c0_c.jpg
IMAGE LINK: https://flic.kr/p/nrWs​MV  (external link) IMG_1123 (external link) by angeloIV (external link), on Flickr

no pp in LR just converted to jpg from raw.

Gear list: 7d, 50d, xti, EOS 66 film, Canon FTB,sigma 18-35 1.8 art len, EF 24-105L, 70-200f4. Manfrotto 190xpro, sirui g20x. BR metro.

  
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nguyedt
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May 05, 2014 18:44 |  #468

I'm loving this lens a lot.


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60D / 40 2.8 / 100 2.8 / 24-105 4.0 / 18-35 1.8

  
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Xerxes
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May 06, 2014 14:08 |  #469

Been busy as heck this past month but finally managed to get the USB dock and do some initial calibrations. Would like some opinions, compared to your copies, would you say it is still too soft? Here it is with +20 adjustment to 18mm:
click pic for higher res

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR
test1 (external link) by czeylanicum (external link), on Flickr


This next one seems a little soft.
IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR
test2 (external link) by czeylanicum (external link), on Flickr


Anything closer than 2m is tack sharp. Distant objects are sharp (albeit with CA at the wide end). Midrange seems to be lacking still. I wonder if it is the autofocus in the T5i or the lens itself.



  
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mwsilver
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May 06, 2014 14:40 |  #470

Xerxes wrote in post #16886304 (external link)
Been busy as heck this past month but finally managed to get the USB dock and do some initial calibrations. Would like some opinions, compared to your copies, would you say it is still too soft? Here it is with +20 adjustment to 18mm:

This next one seems a little soft.

Anything closer than 2m is tack sharp. Distant objects are sharp (albeit with CA at the wide end). Midrange seems to be lacking still. I wonder if it is the autofocus in the T5i or the lens itself.

To be quite honest I think they are both soft. How did you determine the settings with the Dock?

This shot was taken also taken on a very grey and rainy day. The focal length was 18mm at 1/200 sec with an aperture of f/5. If you look at mine full size I think you might agree that its much sharper. Here's the link: http://www.flickr.com …@N05/1317267482​3/sizes/o/ (external link)

The lens was mounted on my 60D, and although I have the Dock, I haven't make any adjustments to the lens.

IMAGE: https://farm4.staticflickr.com/3665/13172674823_39803dec12_b.jpg
IMAGE LINK: https://flic.kr/p/m52p​ia  (external link) 14-02-19 - Washington Trip - Mark-361 (external link) by mwsilver (external link), on Flickr

Mark
Canon 7D2, 60D, T3i, T2i, Sigma 18-35 f/1.8, 30 f/1.4. Canon EF 70-200 L f/4 IS, EF 35 f/2 IS, EFs 10-18 STM, EFs 15-85, EFs 18-200, EF 50 f/1.8 STM, Tamron 18-270 PZD, B+W MRC CPL, Canon 320EX, Vanguard Alta Pro 254CT & SBH 250 head. RODE Stereo Videomic Pro, DXO PhotoLab, Elements 15

  
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Xerxes
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May 06, 2014 17:46 |  #471

I have to agree with you. Thats what I'm hoping to get out of this lens.

I determined the settings by using a 45*angle focus test chart with a checkered target in the middle. This was indoors in imperfect lighting however and had to use a slightly higher ISO of 400. Interestingly for focal lengths other than 18mm it was backfocusing a little bit and needed negative adjustments.

Heres another adjusted the other way to -20. Doesn't seem too different to my eye:
https://www.flickr.com …57879072@N07/14​123094422/ (external link)

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR
test3 (external link) by czeylanicum (external link), on Flickr



  
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mwsilver
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May 06, 2014 18:07 |  #472

Xerxes wrote in post #16886778 (external link)
I have to agree with you. Thats what I'm hoping to get out of this lens.

I determined the settings by using a 45*angle focus test chart with a checkered target in the middle. This was indoors in imperfect lighting however and had to use a slightly higher ISO of 400. Interestingly for focal lengths other than 18mm it was backfocusing a little bit and needed negative adjustments.

You will also notice in my shot that there is a lot of Chromatic Aberration especially high in the branches where they meet the sky. I usually don't see any where near this amount of CA in my shots.


Mark
Canon 7D2, 60D, T3i, T2i, Sigma 18-35 f/1.8, 30 f/1.4. Canon EF 70-200 L f/4 IS, EF 35 f/2 IS, EFs 10-18 STM, EFs 15-85, EFs 18-200, EF 50 f/1.8 STM, Tamron 18-270 PZD, B+W MRC CPL, Canon 320EX, Vanguard Alta Pro 254CT & SBH 250 head. RODE Stereo Videomic Pro, DXO PhotoLab, Elements 15

  
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mwsilver
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May 06, 2014 18:14 |  #473

Xerxes wrote in post #16886778 (external link)
I have to agree with you. Thats what I'm hoping to get out of this lens.

I determined the settings by using a 45*angle focus test chart with a checkered target in the middle. This was indoors in imperfect lighting however and had to use a slightly higher ISO of 400. Interestingly for focal lengths other than 18mm it was backfocusing a little bit and needed negative adjustments.

Heres another adjusted the other way to -20. Doesn't seem too different to my eye:
https://www.flickr.com …57879072@N07/14​123094422/ (external link)
IMAGE NOT FOUND
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR
test3 (external link) by czeylanicum (external link), on Flickr

Still a problem. If +20 is no good and -20 is no good, what does 0 look like?


Mark
Canon 7D2, 60D, T3i, T2i, Sigma 18-35 f/1.8, 30 f/1.4. Canon EF 70-200 L f/4 IS, EF 35 f/2 IS, EFs 10-18 STM, EFs 15-85, EFs 18-200, EF 50 f/1.8 STM, Tamron 18-270 PZD, B+W MRC CPL, Canon 320EX, Vanguard Alta Pro 254CT & SBH 250 head. RODE Stereo Videomic Pro, DXO PhotoLab, Elements 15

  
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Bobster
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May 06, 2014 18:40 |  #474

not really the thread to be discussing problems? this is the samples page after all...

posting images without showing where your focal point was, is difficult to tell if your lens needs adjustment.. the irish pub/restaurant, looking at the 1st 4x4, looks fine with a little sharpen.


Robert Whetton (external link) Dorset Portrait & Events Photographer | Photoshop Guru
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Xerxes
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May 06, 2014 18:50 |  #475

Here it is again at 0. No discernible difference. Wondering if it's worth it to send in to sigma

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR
test4 (external link) by czeylanicum (external link), on Flickr



  
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SRisonS
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May 06, 2014 19:25 |  #476

Was finally able to land some dark ride shots, because of this lens...

IMAGE: https://farm8.staticflickr.com/7440/13883531919_8e7d5aa645_b.jpg
IMAGE LINK: https://flic.kr/p/n9QJ​kZ  (external link) Finally!!! GOTCHA... Dark Ride Shot (external link) by Scott Smith (SRisonS) (external link), on Flickr

My Flickr Photostream (external link)
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mwsilver
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May 06, 2014 19:26 |  #477

Xerxes wrote in post #16886902 (external link)
Here it is again at 0. No discernible difference. Wondering if it's worth it to send in to sigma
IMAGE NOT FOUND
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR
test4 (external link) by czeylanicum (external link), on Flickr

Can you try some indoor shots at 18mm?


Mark
Canon 7D2, 60D, T3i, T2i, Sigma 18-35 f/1.8, 30 f/1.4. Canon EF 70-200 L f/4 IS, EF 35 f/2 IS, EFs 10-18 STM, EFs 15-85, EFs 18-200, EF 50 f/1.8 STM, Tamron 18-270 PZD, B+W MRC CPL, Canon 320EX, Vanguard Alta Pro 254CT & SBH 250 head. RODE Stereo Videomic Pro, DXO PhotoLab, Elements 15

  
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Bobster
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May 06, 2014 19:27 |  #478

Xerxes wrote in post #16886902 (external link)
Here it is again at 0. No discernible difference. Wondering if it's worth it to send in to sigma
https://farm6.staticfl​ickr.com …39636127_aa42c6​a671_b.jpg (external link)

what is your problem with this lens? what are you focusing on? and f/8?


Robert Whetton (external link) Dorset Portrait & Events Photographer | Photoshop Guru
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Hermelin
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May 07, 2014 06:18 |  #479

How are you guys finding the focus on this lens? Is it fast and accurate?


Fujifilm X100F

  
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Bobster
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May 07, 2014 07:13 |  #480

Hermelin wrote in post #16887794 (external link)
How are you guys finding the focus on this lens? Is it fast and accurate?

so fast that the first time i used it, i had to un-focus to focus again to make sure the focus was actually moving..


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Sigma 18-35mm f/1.8 DC HSM
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