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

 
Levina ­ de ­ Ruijter
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Mar 06, 2014 12:33 |  #3361

Looks pretty good to me too, Scrumhalf. Also, at that distance the lens needs to be really level and I think even then the field curvature will have some effect. My first copy was heaps worse - a consistently terribly smeared out lower right corner - and I returned it. Had it been like this I would have kept it. Like Charlie I doubt very much that it will be an issue in practice.


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Levina ­ de ­ Ruijter
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Mar 06, 2014 12:35 |  #3362

Oh, I like this. Very nifty shot, panning the cyclist and the other traffic going just that bit faster and being blurred like that, thereby isolating the cyclist. Really cool!

Hombre-cz wrote in post #16735612 (external link)
QUOTED IMAGE


Levina
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Ursyn
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Mar 06, 2014 14:43 |  #3363

Scrumhalf wrote in post #16738966 (external link)
I really would like to avoid the Rokinon lottery, sending and receiving lenses until I get one that is "good." If this lens is a reasonable copy, I'd opt to just call it good and crop the corners if they affect the shot too much.

In my opinion, if you are not satisfied with your copy you should change the lens. When you pay for a new product it must be good. Instead of cropping images it would be more reasonable to buy i.e. Canon 17-40/4.

I'm thinking about the same lens.


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Scrumhalf
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Mar 06, 2014 15:23 |  #3364

Adrian, I agree with what you are saying but what I was asking was whether my lens is one of the bad ones. From the feedback so far, it seems like it is at least typical and my results may also have been compromised by my proximity to the subject. So, returning it and getting another copy may not be worth it if my copy is already above average.


Sam
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If I don't get the shots I want with the gear I have, the only optics I need to examine is the mirror on the bathroom wall. The root cause will be there.

  
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Levina ­ de ­ Ruijter
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Mar 06, 2014 16:43 |  #3365

Scrumhalf, take it out and shoot what you want to shoot with this lens and then see if there is something to worry about. I doubt you will see anything, but if you do, or if you continue to feel that something isn't right, then it's best to return it. Just keep in mind that it's an ultra wide lens and there will be some field curvature, especially that close to the subject. Don't mistake that for decentering. The best way to test for decentering is actually with an out of focus circle. Here's an article from LensRentals explaining how that works: https://www.lensrental​s.com …technique-gets-a-makeover (external link)


Levina
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StillCrazy
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Mar 06, 2014 16:47 |  #3366

Scrumhalf wrote in post #16739467 (external link)
Adrian, I agree with what you are saying but what I was asking was whether my lens is one of the bad ones. From the feedback so far, it seems like it is at least typical and my results may also have been compromised by my proximity to the subject. So, returning it and getting another copy may not be worth it if my copy is already above average.

The first image looks reasonable to me, the crops just accentuate the imperfections. I agree you have a good copy.

One never knows with any lens, whether we get a good one or a throw back, and it's possible to get a worse one, the second time around. I'm happy with mine, and for the price, it's a good purchase.


StillCrazy - after all these years.
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Scrumhalf
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Mar 06, 2014 16:55 |  #3367

Thanks, Levina and Stillcrazy... definitely hope to get it out and shoot this weekend, and then I'll make a call on exchange, return, etc. I am leaning towards just keeping it unless something egregious pops out, but like you pointed out, only on the 100% crops does anything reveal itself.


Sam
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If I don't get the shots I want with the gear I have, the only optics I need to examine is the mirror on the bathroom wall. The root cause will be there.

  
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[Hyuni]
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Mar 06, 2014 22:38 |  #3368

Charlie wrote in post #16738955 (external link)
look under my gearlist link, I have the distortion instructions


not bad, pretty sure mine is worse, still works well in practice.

Thank you! It works great!
I was searching under 14mm, not Samyang 14mm!


6D Rokinon 14 f/2.8 l EF 35 ƒ1.4L l EF 135 ƒ2.0L l EF 70-200 ƒ2.8L IS II l YN460 l 580EX II l Flick'd (external link)

  
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xpfloyd
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Mar 07, 2014 02:03 |  #3369

Scrumhalf wrote in post #16739467 (external link)
Adrian, I agree with what you are saying but what I was asking was whether my lens is one of the bad ones. From the feedback so far, it seems like it is at least typical and my results may also have been compromised by my proximity to the subject. So, returning it and getting another copy may not be worth it if my copy is already above average.

I was kinda in the same boat as you but i didnt have the option to return as bought it new from the states and then got stung with a massive import fee at UK customs so returning it would mean the fee money is gone so I just accepted that f/2.8 isnt as sharp as others seem to be. Absolutely love this lens and still useable at 2.8 for night shots. Unbelievably sharp from f/4.

Theres a test you can do with a brick wall to check if its decentred. I dont even want to go there as id rather not know as finding out it was would bug me lol


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Hombre-cz
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Mar 07, 2014 02:13 |  #3370

Levina de Ruijter wrote in post #16739038 (external link)
Oh, I like this. Very nifty shot, panning the cyclist and the other traffic going just that bit faster and being blurred like that, thereby isolating the cyclist. Really cool!

Thank you Levina ! ;)


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Bro ­ Foto
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Mar 08, 2014 09:31 as a reply to  @ Hombre-cz's post |  #3371

IMAGE: http://www.bro-foto.pl/blog/wp-content/uploads/2014/03/108.jpg
IMAGE LINK: http://www.bro-foto.pl/blog/  (external link)
Fotografia ślubna Kraków Poland

5D Mk II | 6D | S 14mm f2.8 AE IF ED UMC | C EF 24mm f1.4 L II USM | S 35mm f1.4 DG HSM Art | C EF 50mm f/1.8 STM | C EF 85mm f1.8 USM | C EF 135mm f2.0 L USM | CanonSpeedlite580EXII | Canon Speedlite 600EX-RT | 2x Gemini500R...
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Kentochan
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Mar 09, 2014 13:14 as a reply to  @ Bro Foto's post |  #3372

IMAGE: http://31.media.tumblr.com/4762a9bbc96486ba3b234550b342563f/tumblr_n26l8wEDCI1stcikmo1_500.jpg

Tried star trails with this lens, came out pretty nicely (aside from the airplanes).

Canon EOS 60D, EF-S 55-250mm f/4-5.6, EF 50mm f/1.8 II, EF 85mm f/1.8 USM, Sigma 28-70mm f/2.8-4, Rokinon 14mm f/2.8
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bzollinger
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Mar 09, 2014 13:28 |  #3373

One from our recent trip to Maui

IMAGE: https://dl.dropboxusercontent.com/u/16139001/lanscape/2014/20140219-_O1C8660-Edit.jpg

5DMKIII | EOS M | 14mm f/2.8 Rokinon | 15mm f/2.8 fisheye | 16-35mm f/4 L | 24-105mm L | 50mm f/1.4 USM | 100mm Macro f/2.8 L IS | 580ex II | Benro C2980F Veratile legs w/ Manfrotto 468MGRC2 Head | www.alaskanphotographs​.com (external link)

  
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GiulioB.
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Mar 09, 2014 14:50 |  #3374

IMAGE: http://ppcdn.500px.org/63286333/76f77d2b77960628d7da95ffbccf69535b51198c/4.jpg
IMAGE LINK: http://500px.com/photo​/63286333  (external link)
Dawn in Florence (external link) by Giulio Biondi (external link)

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bzollinger
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Mar 09, 2014 14:58 |  #3375

^^Great colors!


5DMKIII | EOS M | 14mm f/2.8 Rokinon | 15mm f/2.8 fisheye | 16-35mm f/4 L | 24-105mm L | 50mm f/1.4 USM | 100mm Macro f/2.8 L IS | 580ex II | Benro C2980F Veratile legs w/ Manfrotto 468MGRC2 Head | www.alaskanphotographs​.com (external link)

  
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Samyang Rokinon Vivitar 14 2.8 lens
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