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Thread started 29 Jul 2010 (Thursday) 01:36
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Samyang Rokinon Vivitar 14 2.8 lens

 
msowsun
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Sep 25, 2013 05:32 |  #2506

"Compact Diss", what did you use to correct the disortion?

I use PTLens http://epaperpress.com​/ptlens/ (external link) as a "Stand Alone" application,
and it seems to do a much better job of removing the mustache distortion.

Straight from camera

IMAGE: http://i2.photobucket.com/albums/y17/msowsun/photo%20stuff/Photo13/5D3_0291_800_zps4cce2094.jpg

PTLens auto correction http://epaperpress.com​/ptlens/ (external link)
IMAGE: http://i2.photobucket.com/albums/y17/msowsun/photo%20stuff/Photo13/5D3_0291_pt_800_zpsc84df91e.jpg

Mike Sowsun / S110 / SL1 / 80D / EF-S 24mm STM / EF-S 10-18mm STM / EF-S 18-55mm STM / EF-S 15-85mm USM / EF-S 18-135mm USM / EF-S 55-250mm STM / 5D3 / Samyang 14mm 2.8 / EF 40mm 2.8 STM / EF 50mm 1.8 STM / EF 100mm 2.0 USM / EF 100mm 2.8 USM Macro / EF 24-105mm IS / EF 70-200mm 2.8L IS Mk II / EF 1.4x II
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msowsun
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Sep 25, 2013 05:43 |  #2507

I only use PTLens when there are lots of straight lines and the distortion is obvious.

Here are two examples where it is not so obvious...

Straight from camera

IMAGE: http://i2.photobucket.com/albums/y17/msowsun/photo%20stuff/Photo13/5D3_9028_800_zpsf77c0898.jpg

PTLens correction
IMAGE: http://i2.photobucket.com/albums/y17/msowsun/photo%20stuff/Photo13/5D3_9028_pt_800_zpscf97e447.jpg

Straight from camera
IMAGE: http://i2.photobucket.com/albums/y17/msowsun/photo%20stuff/Photo13/5D3_3664_800_zpsfbbbf2bc.jpg

PTLens correction
IMAGE: http://i2.photobucket.com/albums/y17/msowsun/photo%20stuff/Photo13/5D3_3664_pt_800_zps0555b011.jpg

Mike Sowsun / S110 / SL1 / 80D / EF-S 24mm STM / EF-S 10-18mm STM / EF-S 18-55mm STM / EF-S 15-85mm USM / EF-S 18-135mm USM / EF-S 55-250mm STM / 5D3 / Samyang 14mm 2.8 / EF 40mm 2.8 STM / EF 50mm 1.8 STM / EF 100mm 2.0 USM / EF 100mm 2.8 USM Macro / EF 24-105mm IS / EF 70-200mm 2.8L IS Mk II / EF 1.4x II
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Mookalafalas
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Sep 25, 2013 11:48 |  #2508

ean10775 wrote in post #16321971 (external link)
Wow, that brick wall shot above really showcases the mustache distortion! It doesn't seem terribly noticeable is many of the real-world examples I've seen though. Looks like a great lens.

I feel that way about the distortion, too. I have the correction profile, but almost never use it anymore.


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You don’t have to have a great lens to take great pictures—but it sure helps. –Ben Long

  
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HiepBuiPhotography
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Sep 25, 2013 12:01 |  #2509

It's only prominent when you have something that your mind expects to be straight (ie. brick wall, fence, horizon, etc.). When I'm taking dance pictures at weddings, I don't even notice it :D


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Levina ­ de ­ Ruijter
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Sep 26, 2013 05:57 |  #2510

I have a question about focusing. Outside, with the lens stopped down, no problem. But if I am in a low light situation indoors and need to shoot at f/2.8, then how do I focus? If it's something very close, then it's no problem, I can focus just fine using the viewfinder, but if it's something a bit more distant or if it's an enclosed space, then what? I tried doing this in my living room and failed miserably. The distance scale on the lens didn't help much...


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msowsun
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Sep 26, 2013 06:20 |  #2511

I Use Liveview and 10x magnification to get accurate focus.


Mike Sowsun / S110 / SL1 / 80D / EF-S 24mm STM / EF-S 10-18mm STM / EF-S 18-55mm STM / EF-S 15-85mm USM / EF-S 18-135mm USM / EF-S 55-250mm STM / 5D3 / Samyang 14mm 2.8 / EF 40mm 2.8 STM / EF 50mm 1.8 STM / EF 100mm 2.0 USM / EF 100mm 2.8 USM Macro / EF 24-105mm IS / EF 70-200mm 2.8L IS Mk II / EF 1.4x II
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Compact ­ Diss
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Sep 26, 2013 23:51 as a reply to  @ msowsun's post |  #2512

@msowsun, right now I am only using CS6, for some reason I had trouble using PTLens (on a Mac). I couldn't get the trial to run successfully.

IMAGE: http://farm8.staticflickr.com/7310/9961066313_a400eb05bd_b.jpg
IMAGE LINK: http://www.flickr.com …onphotography/9​961066313/  (external link)
Water Street, Wakefield, MA, 26Sep13 (external link) by J Harrington (external link), on Flickr

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Levina ­ de ­ Ruijter
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Sep 27, 2013 02:45 |  #2513

msowsun wrote in post #16326374 (external link)
I Use Liveview and 10x magnification to get accurate focus.

No Liveview on the 5D, unfortunately.

Compact Diss wrote in post #16328468 (external link)
@msowsun, right now I am only using CS6, for some reason I had trouble using PTLens (on a Mac). I couldn't get the trial to run successfully.

I'm on a Mac too and it runs just fine, both as a standalone application and as a PS plugin.


Levina
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Africanphoto
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Sep 27, 2013 04:34 |  #2514

I have just received my copy and am so keen to start using ad playing with it :D


Canon 7D, Canon 100mm L F2.8, Sigma 120-300mm F2.8 OS, Sigma 50mm F1.4, Canon 430 ex II, Sigma 2x teleconverter, Kenko extension tubes, Vello flash cord And a few bits and peices and a Yashica 635!!!

  
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Compact ­ Diss
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Sep 27, 2013 10:28 as a reply to  @ Africanphoto's post |  #2515

Thanks Levina, I guess I have to try a little harder to get it running.

IMAGE: http://farm4.staticflickr.com/3750/9967405676_a4a76141a0_b.jpg
IMAGE LINK: http://www.flickr.com …onphotography/9​967405676/  (external link)
Main Street, Melrose, MA, 26Sep13 (external link) by J Harrington (external link), on Flickr

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paparios
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Sep 27, 2013 10:47 |  #2516

Levina de Ruijter wrote in post #16326344 (external link)
I have a question about focusing. Outside, with the lens stopped down, no problem. But if I am in a low light situation indoors and need to shoot at f/2.8, then how do I focus? If it's something very close, then it's no problem, I can focus just fine using the viewfinder, but if it's something a bit more distant or if it's an enclosed space, then what? I tried doing this in my living room and failed miserably. The distance scale on the lens didn't help much...

This lens is easy to focus, if you use the hyperfocal technique. In a FF camera like your 5D, you set the focus of the lens to about 1.5 meters and forget about it, since everything from 0.7 to infinity will be on focus.
More details, and a online calculator, you can find at http://www.dofmaster.c​om/dofjs.html (external link)

Miguel


Canon 5D MKII, Sony A7, Canon EOS M, Canon 7D, Sony A6000, Canon 50d with grip, Canon 400D with grip, Bower 14 f2.8, Bower 35 f1.4, EF 40 f2.8, Tokina 12-24 f4, EFM-22 f2 STM, EFM 18-55 f3.5-5.6 IS STM, EFS 18-55 f3.5-5.6, Tamron 28-75 f2.8, EF 85 f1.8, EF 100 f2.8L IS, EF 70-200 f4L IS, EF 75-300 f4-5.6, Sigma 150-500 f5-6.3, Sony E 16-50, Sony FE 28-70

  
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jmarshphoto
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Sep 27, 2013 11:37 |  #2517

Hey guys. Here's on shot pre-moonrise for the sky and then a few hours later when the full moon lit the flowers.

IMAGE: http://farm8.staticflickr.com/7343/9927869976_e7320f6ed2_b.jpg
IMAGE LINK: http://www.flickr.com …s/jmarshphoto/9​927869976/  (external link)
MOONFLOWER (external link) by jmarshphoto (external link), on Flickr

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Mesmer
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Sep 27, 2013 11:53 |  #2518

jmarshphoto wrote in post #16329351 (external link)
Hey guys. Here's on shot pre-moonrise for the sky and then a few hours later when the full moon lit the flowers.

QUOTED IMAGE
IMAGE LINK: http://www.flickr.com …s/jmarshphoto/9​927869976/  (external link)
MOONFLOWER (external link) by jmarshphoto (external link), on Flickr

Awesome! Love it!


InstaGram (external link) Flickr (external link) | 5DmkIII | Samyang 24 1.4 | 35 2.0is | 100L 2.8 Macro | 16-35L F4IS | 24-105L | 70-200L 2.8 II | 300L 4.0is | E640 | Speedlites

  
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Levina ­ de ­ Ruijter
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Sep 27, 2013 12:07 |  #2519

paparios wrote in post #16329259 (external link)
This lens is easy to focus, if you use the hyperfocal technique. In a FF camera like your 5D, you set the focus of the lens to about 1.5 meters and forget about it, since everything from 0.7 to infinity will be on focus.
More details, and a online calculator, you can find at http://www.dofmaster.c​om/dofjs.html (external link)

Miguel

I am aware of that and it's what I use outside when I can stop down. However at f/2.8 it's not quite that simple... But thank you.


Levina
Please quote when responding to a post!!!
There is no such thing as ect. It's etc. (with period) from latin et cetera.
Colours are not complimentary but complementary.
My flickr (external link)

  
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Moin
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Sep 27, 2013 12:08 |  #2520

jmarshphoto wrote in post #16329351 (external link)
Hey guys. Here's on shot pre-moonrise for the sky and then a few hours later when the full moon lit the flowers.

QUOTED IMAGE
IMAGE LINK: http://www.flickr.com …s/jmarshphoto/9​927869976/  (external link)
MOONFLOWER (external link) by jmarshphoto (external link), on Flickr

bw!

PERFECT man! love it.


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Samyang Rokinon Vivitar 14 2.8 lens
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