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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

 
RAH1861
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Aug 21, 2012 08:48 |  #721

hyogen wrote in post #14886268 (external link)
thank you. what is that olympus 520 8mm one you have there that is much more narrow?

what did you use to defish?

...couldn't you EASILY live without the 12-24?

The Olympus is a 9-18mm lens, set at 9mm. But Olympus is a 2x crop-factor camera (unlike the 1.6 for Canon crop DSLRs), so the full-frame equiv is 18 (2 x 9) for that lens (the Tokina 12-24 is a 19.2 equiv on the Canon camera). Also, Olympus cameras have a different aspect ratio than Canon. Olympus is a 4:3 ratio, so the images are taller and not as wide.

I used PaintShop Pro version X4 to defish. It has some options, like the percent of defishing, and a checkbox that adjusts how it adjusts the center, which sounds kind of like what you said that plug-in product has.

Yes, I suppose I could get by without the 12-24, if I'd bought the fisheye lens first (I got the 12-24 first). It's a good idea, especially since ultra-wides are so terribly expensive.


Rich
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Lucretius
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Aug 21, 2012 10:13 |  #722

hyogen wrote in post #14885844 (external link)
wow, this looks like it's just from a wide angle lens with no distortion! did you do anything to defish it?

No defishing. It was just taken in a circular atrium which doesn't show the effects of a fisheye as much as rectangular buildings.


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RAH1861
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Aug 21, 2012 13:33 |  #723

Lucretius wrote in post #14886794 (external link)
No defishing. It was just taken in a circular atrium which doesn't show the effects of a fisheye as much as rectangular buildings.

Also, I think that vertical shots don't show the fisheye effect as much as horizontal shots. I have noticed this before on pictures I've taken. Very nice picture, by the way. :)


Rich
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koconut
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Aug 21, 2012 17:37 |  #724

RAH1861 wrote in post #14887716 (external link)
Also, I think that vertical shots don't show the fisheye effect as much as horizontal shots. I have noticed this before on pictures I've taken. Very nice picture, by the way. :)

No defishing in my shot of the lake either, you can see the curved building on the right hand side, horizon was level and through the center.

Does anyone know how to use fisheye hemi to de-fish vertical shots? I can't seem to find directions


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hyogen
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Aug 21, 2012 17:46 |  #725

koconut wrote in post #14888798 (external link)
No defishing in my shot of the lake either, you can see the curved building on the right hand side, horizon was level and through the center.

Does anyone know how to use fisheye hemi to de-fish vertical shots? I can't seem to find directions

OK, so I haven't slept at all last night. didn't study like i was supposed to...instead, i studied these boards.......i didn't sleep much 2 nights ago either. my hobbies are like a disease.

So.......is it possible for you to defish your vertical shots by first rotating them 90 degrees? This may be a completely ludicrous utterance coming from a dazed madman.....but it's what comes to mind right now..

and Lucretius and Koconut.. are you guys happy without an ultra wide angle now and in the foreseeable future? :D

There's a guy that's on his way from about an hour and half away from where I live that's coming to deliver a Sigma 10-20 lens I'm buying from him.......b/c i know i'm in no condition to drive right now and i need to start studying........ talked him down to $325 but he talked it back up to $350 because he's driving "3 hours total" .....oh well, there's no backing out now -_-


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Justaddwata
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Aug 22, 2012 03:05 |  #726

LOVE this lens. I thought the 10-20mm was great - have not used it since!

Landscape

IMAGE: http://photos.imageevent.com/justaddwata/photography/waterfire/huge/Matts%20307%206906%20-%20August%2018_%202012.jpg

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AlDer
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Aug 24, 2012 12:45 as a reply to  @ Justaddwata's post |  #727

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IMAGE IS A REDIRECT OR MISSING!
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hyogen
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Aug 24, 2012 15:05 |  #728

Justaddwata wrote in post #14890677 (external link)
LOVE this lens. I thought the 10-20mm was great - have not used it since!

Landscape
QUOTED IMAGE

Portrait
QUOTED IMAGE

oh man, just gorgeous.

I ended up absolutely loving the sigma 10-20

and went out and took pics with my 8mm rokinon again and realized it's a definite keeper as well. :)


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Aug 28, 2012 14:15 |  #729

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A light crop (to remove a sign post on the right and to corner the shadow) and a little saturation boost and that's it.

Just a pity about the blown out sky - not bad I guess, taking the direction of the sun into consideration.

Lawrence



  
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RAH1861
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Aug 28, 2012 14:43 as a reply to  @ Trugga's post |  #730

You could substitute another sky into that shot easily enough, considering the VERY defined line between the ground areas and the sky. I guess that is "cheating," but it would be easy to do. Regardless, I like the picture very much (composition, etc). :)


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baio
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Aug 30, 2012 08:20 |  #731

Trying out some long exposures with the 7D, ƒ3,5, 25secs, iso12800

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n4ck
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Aug 30, 2012 11:20 |  #732

Baio that is awesome! Surprised how sharp it is for f/3.5. Did you just set the focus at infinity?

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baio
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Aug 30, 2012 12:34 |  #733

n4ck wrote in post #14926463 (external link)
Baio that is awesome! Surprised how sharp it is for f/3.5. Did you just set the focus at infinity?

I set the focus just a little before infinity for shooting stars :)


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LollieLaurie
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Sep 02, 2012 23:29 |  #734

From Rome

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lensmen
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Sep 03, 2012 22:22 |  #735

baio wrote in post #14925765 (external link)
Trying out some long exposures with the 7D, ƒ3,5, 25secs, iso12800

IMAGE NOT FOUND
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR

IMG_0661 (external link) by ba-io (external link), on Flickr

Amazing.

Would using a longer exposure time with lower ISO does the same effect ?


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