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Thread started 03 Mar 2010 (Wednesday) 09:29
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Samyang/Rokinon 8 mm f/3.5 Aspherical IF MC Fish-eye

 
mosesport
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Feb 08, 2012 12:16 |  #421

reaky wrote in post #13810829 (external link)
Here's some... :)

QUOTED IMAGE

QUOTED IMAGE

QUOTED IMAGE

HOLY MOLY! What camera are you shooting with?? These are amazing!


Canon 5D Mark II - Canon 50mm f1.4 - 2x YN565EX Speedlights - Leicaflex SL - Summicron-R 50mm f2 - Elmarit-R 135mm f2.8
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pulsar123
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Feb 08, 2012 13:51 |  #422

Couldn't resist any longer - ordered it (Rokinon) from amazon.ca, will decide later if I want to keep both it and my Sigma 10-20mm.

I looked it up - Magic Lantern allows you to preview the defished version of the photo with this lens on canon cameras, live. Should be very helpful when composing shots with defishing in mind. If you don't know about magic lantern - google for it. It enables dozens of features not provided by Canon - focus stacking, multi-shot HDR, even full HD video on my 50D (which officially doesn't support video).


6D, Tamron 24-70 f2.8 VC, 135L, 70-200 f4L, Laowa 15mm 1:1 macro, 50mm f1.8 STM, Samyang 8mm fisheye, home studio

  
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iamvanja
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Feb 09, 2012 12:06 |  #423

pulsar123 wrote in post #13849046 (external link)
So my new question is - what is the quality of de-fished photos made with Samyang? Is it comparable to Sigma 10-20mm F4-5.6?

I bought that Sigma after falling in love with Samyang. Didn't find it using that much so kept Samyang and sold Sigma. Now have 12-24mm for FF, but still don't use it all that much.
Here are some defished photos using PTLens.

IMAGE: http://farm6.staticflickr.com/5169/5228608033_da655ffa52_z.jpg
IMAGE LINK: http://www.flickr.com …/vanja-gavric/5228608033/  (external link)
Zagreb Cathedral / Zagrebačka katedrala (defished) (external link) by VanjaMk1 (external link), on Flickr

IMAGE: http://farm6.staticflickr.com/5207/5274485933_5ab026ae0a_z.jpg
IMAGE LINK: http://www.flickr.com …/vanja-gavric/5274485933/  (external link)
Praska za Bozic (external link) by VanjaMk1 (external link), on Flickr

IMAGE: http://farm6.staticflickr.com/5026/5673861096_02acd8b7e7_z.jpg
IMAGE LINK: http://www.flickr.com …/vanja-gavric/5673861096/  (external link)
Mirogoj groblje / Mirogoj cemetary (external link) by VanjaMk1 (external link), on Flickr

IMAGE: http://farm6.staticflickr.com/5009/5382222462_94cfafec39_z.jpg
IMAGE LINK: http://www.flickr.com …/vanja-gavric/5382222462/  (external link)
The Arch of Triumph in Paris from a tourist bus (external link) by VanjaMk1 (external link), on Flickr

personal web (external link) | flickr (external link) | 500px (external link) | twitter (external link) | facebook (external link)

  
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LollieLaurie
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Feb 09, 2012 12:53 |  #424

I want this lens! I'm trying to get it as a birthday present :)


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pulsar123
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Feb 09, 2012 14:01 |  #425

Thanks for the examples! Great photos by the way! Any full-resolution ones, for pixel-peeping?

I noticed that your shots are not 100% rectilinear - was it on purpose, or that's the best PTlens can do?

I downloaded a Lightroom (ACR) lens profile for Samyang defishing from the web, will give it a try.

I'll do a thorough side by side testing/comparison of Samyang (straight and defished) and Sigma 10-20, and will probably post here a short review.

The only serious limitation of Samyang (compared to Sigma 10-20) is that it doesn't accept filters. I'm sure I'll miss the ability to do wide angle daytime long exposure shots (I'm using ND110 filter - paid >100$).

iamvanja wrote in post #13856159 (external link)
I bought that Sigma after falling in love with Samyang. Didn't find it using that much so kept Samyang and sold Sigma. Now have 12-24mm for FF, but still don't use it all that much.
Here are some defished photos using PTLens.

QUOTED IMAGE
IMAGE LINK: http://www.flickr.com …/vanja-gavric/5228608033/  (external link)
Zagreb Cathedral / Zagrebačka katedrala (defished) (external link) by VanjaMk1 (external link), on Flickr

QUOTED IMAGE
IMAGE LINK: http://www.flickr.com …/vanja-gavric/5274485933/  (external link)
Praska za Bozic (external link) by VanjaMk1 (external link), on Flickr

QUOTED IMAGE
IMAGE LINK: http://www.flickr.com …/vanja-gavric/5673861096/  (external link)
Mirogoj groblje / Mirogoj cemetary (external link) by VanjaMk1 (external link), on Flickr

QUOTED IMAGE
IMAGE LINK: http://www.flickr.com …/vanja-gavric/5382222462/  (external link)
The Arch of Triumph in Paris from a tourist bus (external link) by VanjaMk1 (external link), on Flickr


6D, Tamron 24-70 f2.8 VC, 135L, 70-200 f4L, Laowa 15mm 1:1 macro, 50mm f1.8 STM, Samyang 8mm fisheye, home studio

  
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KSG ­ Photography
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Feb 10, 2012 14:35 |  #426

Seems like this wee lens is never off my 7D lately, here are a few more from some of my weekly walks along the beach while my daughter goes to her highland dance class:

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2x 7d, EOS 3 film body, G15, X-Pro1 with 18mm f2, 35mm f1.4 & 60mm f2.4 macro, Kiev rangefinder with 50mm lens. 70-200 f4L, 17-40 f4 L, 50mm f2.5 macro, nifty fifty, 20-40 EX HSM, Samyang 85mm f1.4, Rokinon 8mm f3.5, 2x Fuji X-Pro1, Fuji XF 18mm f2, 35mm f1.4, 60mm f2.4 macro, 3x Yongnuo 560 II, 540EZ, Phottix Strato 2 wireless triggers, extension tubes, Manfrotto 055 tripod, manfrotto monopod.

  
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iamvanja
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Feb 10, 2012 16:01 |  #427

pulsar123 wrote in post #13856815 (external link)
I noticed that your shots are not 100% rectilinear - was it on purpose, or that's the best PTlens can do?

I downloaded a Lightroom (ACR) lens profile for Samyang defishing from the web, will give it a try.

Yes, you are right, some shots are not 100% rectilinear. PTLens doesn't defish automatically. Rather, it allows user to adjust it the way it wants. Naturally, the more you defish it, the more you lose FOV.


personal web (external link) | flickr (external link) | 500px (external link) | twitter (external link) | facebook (external link)

  
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samsen
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Feb 10, 2012 19:28 |  #428

To me fish eye effect is "Love it or leave it" phenomenon.

I personally love it and have no problem to show the distortion but when hating it , you can always keep the camera parallel to horizon i.e. no up or down tilt and you get a good distortion free at least in horizon that is of concern for most people, so by pass the post processing.

Exception to rule is architecture photography and please excuse my nastiness, Mother-in-law photo that I actually call this lens MIL portrait lens for obvious effect. Well she hates me unconditionally with or without fisheye portrait of her:)


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pulsar123
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Feb 11, 2012 16:45 |  #429

Just got mine. I am doings some testing, comparing this lens to my Sigma 10-20mm. At the center, the resolution of Sigma is slightly better at f=3.5...11, and Samyang is better at f=16, 22. At the edge, I need to do more testing, but it does look that Samyang is rather soft, so stretching it making a rectilinear image results in unacceptable blurred edges. Oh well. I'll probably end up keeping both these lenses.

Chromatic aberrations are strong with Samyang, but I found that the Lightroom (Adobe Camera Raw) profile which can be downloaded here (external link) does a good job in both removing CA and (optionally) converting the photo to the rectilinear projection (de-fishing); it also fixes the vignetting. This profile is for Canon 7D. I edited the file - replaced all "7D" with "50D", changed the pixel resolution to the 50D's one, and also set the SensorFormatFactor to the 50D's one - 1.579033 (got it from a standard 50D lens profile). From my tests (at least for f/8), I get slightly better CA removal when I also set Fix Red/Cyan Fringe in ACR to -8. Vignetting in the profile is an overkill at f/8; it looks the best when set to 50% of the profile value. I put this profile in this folder (Win XP): J:\Documents and Settings\All Users\Application Data\Adobe\CameraRaw\L​ensProfiles\1.0\Samyan​g\Canon (I created the Samyang/Canon folders myself), and named it Canon 50D (Samyang 8mm fisheye) - RAW.lcp . It is interesting that ACR automatically detects that the RAW file is from Samyang - perhaps this profile is set up to be a default one for RAW files without lens ID in the EXIF; as Samyang is my only manual lens, this suites me perfectly.

Setting Profile distortion to 0% in ACR results in only CA and vignetting corrections applied, without any photo distortions - great if you need a fisheye photo; setting it to ~100% converts the photo to rectilinear projection; setting it in-between results in intermediate distortions. Very convenient.

I also tested the Magic Lantern live defishing feature (designed specifically for Samyang 8mm) - it works pretty well, so it should be very useful if you plan to frame photos with defishing in mind. I noticed that they use somewhat different de-fishing algorithm from the one used in the ACR profile, so framing is not 100% accurate.

Here are a few test shots, processed in ACR with the above profile. In the first one, I boosted saturation a lot, so any CA would be very obvious, but it is practically invisible.

IMAGE: http://farm8.staticflickr.com/7184/6858892777_e557e179c3_b.jpg
IMAGE LINK: http://www.flickr.com/​photos/syamastro/68588​92777/  (external link)
Samyang 8mm fisheye test 1 (external link) by syamastro (external link), on Flickr

IMAGE: http://farm8.staticflickr.com/7042/6858897507_8912d7ec86_b.jpg
IMAGE LINK: http://www.flickr.com/​photos/syamastro/68588​97507/  (external link)
Samyang 8mm fisheye test 2 (external link) by syamastro (external link), on Flickr

IMAGE: http://farm8.staticflickr.com/7178/6858902291_ae16ed86d3_b.jpg
IMAGE LINK: http://www.flickr.com/​photos/syamastro/68589​02291/  (external link)
Samyang 8mm fisheye test 3 (external link) by syamastro (external link), on Flickr

6D, Tamron 24-70 f2.8 VC, 135L, 70-200 f4L, Laowa 15mm 1:1 macro, 50mm f1.8 STM, Samyang 8mm fisheye, home studio

  
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mosesport
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Feb 11, 2012 16:48 |  #430

Getting this lens in about a week. VERY excited! I'll be sure to post when it comes in. :)


Canon 5D Mark II - Canon 50mm f1.4 - 2x YN565EX Speedlights - Leicaflex SL - Summicron-R 50mm f2 - Elmarit-R 135mm f2.8
---------------
Unparallel Photography (external link) | flickr (external link) | 5∞px (external link)

  
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KenBPhotos
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Feb 16, 2012 17:26 |  #431

Mine will be here tomorrow! Can't wait! I'll make sure to flood this thread with shots ha ha.




  
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tomcat7886
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Feb 16, 2012 17:37 |  #432

reaky wrote in post #13810829 (external link)
Here's some... :)

QUOTED IMAGE

QUOTED IMAGE

QUOTED IMAGE

They are stock photos & magazine worthy. ;)


Canon T2i | 18-55mm IS Kit | Tamron 17-50 f2.8 VC | Joby Gorillapod SLR-Zoommmmm! | Black Canon Edition Crumpler Industry Disgrace
Crumpler on Sale: BLACK https://photography-on-the.net ...ghlight=industry+di​sgrace

  
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short_wave
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Feb 17, 2012 10:48 |  #433

From a show a few weeks ago...

IMAGE: http://farm8.staticflickr.com/7066/6854806577_25cbc9b57c_b.jpg
IMAGE LINK: http://www.flickr.com …/55639334@N03/6​854806577/  (external link)

IMAGE: http://farm8.staticflickr.com/7149/6854810075_ed62c61736_b.jpg
IMAGE: http://farm8.staticflickr.com/7169/6854818457_581175a6ab_b.jpg
IMAGE LINK: http://www.flickr.com …/55639334@N03/6​854810075/  (external link)

IMAGE: http://farm8.staticflickr.com/7143/6854813269_492041b497_b.jpg
IMAGE LINK: http://www.flickr.com …/55639334@N03/6​854813269/  (external link)

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www.john-benitez.com
insta: @johnbenitez

  
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seattle1
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Feb 18, 2012 00:04 |  #434

IMAGE: http://farm8.staticflickr.com/7056/6894996805_48ac9951bf_z.jpg
IMAGE LINK: http://www.flickr.com/​photos/nwdad/689499680​5/  (external link)
Downtown Seattle from ferry (external link) by Northwest dad (external link), on Flickr



  
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KenBPhotos
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Feb 18, 2012 00:18 |  #435

IMAGE: http://farm8.staticflickr.com/7178/6894564773_548058566a_b.jpg
IMAGE LINK: http://www.flickr.com/​photos/kenbphotos/6894​564773/  (external link)
Beach Fisheye I (external link) by KenBPhotos (external link), on Flickr

IMAGE: http://farm8.staticflickr.com/7189/6894564657_4ed6f1eb70_b.jpg
IMAGE LINK: http://www.flickr.com/​photos/kenbphotos/6894​564657/  (external link)
Beach Fisheye II (external link) by KenBPhotos (external link), on Flickr

IMAGE: http://farm8.staticflickr.com/7057/6894564473_64caacefe2_b.jpg
IMAGE LINK: http://www.flickr.com/​photos/kenbphotos/6894​564473/  (external link)
Dock at Manasquan Resevoir Fisheye (external link) by KenBPhotos (external link), on Flickr

IMAGE: http://farm8.staticflickr.com/7202/6894564375_3dff7ba158_b.jpg
IMAGE LINK: http://www.flickr.com/​photos/kenbphotos/6894​564375/  (external link)
Manasquan Resevoir Fisheye (external link) by KenBPhotos (external link), on Flickr

IMAGE: http://farm8.staticflickr.com/7181/6894564171_54426f7218_b.jpg
IMAGE LINK: http://www.flickr.com/​photos/kenbphotos/6894​564171/  (external link)
Rairoad Fisheye (external link) by KenBPhotos (external link), on Flickr

IMAGE: http://farm8.staticflickr.com/7195/6894564031_cf3fde322a_b.jpg
IMAGE LINK: http://www.flickr.com/​photos/kenbphotos/6894​564031/  (external link)
GTi Fisheye (external link) by KenBPhotos (external link), on Flickr



  
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Samyang/Rokinon 8 mm f/3.5 Aspherical IF MC Fish-eye
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