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What do you prefer?
Fisheye original 9%  9%  [ 3 ]
Fisheye defished 9%  9%  [ 3 ]
Straight ultra-wide lens 76%  76%  [ 26 ]
No ultra-wide lenses at all 6%  6%  [ 2 ]
Total votes : 34
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PostPosted: Sat Sep 08, 2007 1:15 pm 
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Well, you can read all the numbers about fov and angles etc. like in this thread, but our new forum-member skelter asked for a real life view of the differences between a fisheye, namely the Tokina 10-17mm fisheye-zoom and another ultra-wide zoom like the Sigma 10-20mm.
As I don't have the Tokina 10-17mm handy I took my trusty Nikon 10.5mm fisheye out on this great day and made 2 shot from the same point of view with both lenses to compare. And I also threw in a defished version of the fisheye-pic for good measure. These defished versions were made in CaptureNX, but a word of warning here: I don't think (but cannot test) that CaptureNX will defish other than Nikkor lenses. So when defishing a Tokina 10-17mm e.g. you have to rely on third-party software.

So here are the results (all pics clickable for larger views):
|----------Nikon 10.5mm original--------||----------Nikon 10.5mm defished--------||--------Sigma 10-20mm at 10mm-------|
Image Image Image

Image Image Image

As you can see the defished fisheye is still wider than the "straight" 10mm but the edges have visibly lower IQ.

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Thomas (beware: Nikon-fanboy and moderator!) My Lens Reviews, My Pictures, My Photography Blog
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Last edited by Thomas on Sat Oct 20, 2007 5:49 pm, edited 5 times in total.

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PostPosted: Sat Sep 08, 2007 1:50 pm 
Wonderful, thank you very much, this is really the test I needed !
Anyway, now I am more oriented to the Sigma, than to a fisheye (nikon or tokina).
If you have other chances with different subjects, please feel free to post them ! ;-)


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 Post subject:
PostPosted: Sat Feb 09, 2008 4:14 pm 
(Post self-deleted)



..::EMPTY::..


Last edited by SCREAMnSHOUT on Sun May 04, 2008 9:52 am, edited 1 time in total.

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 Post subject:
PostPosted: Sat Feb 09, 2008 5:42 pm 
I prefer the straight wide-angle lenses for two reasons:

1. Saves me certain post-processing steps. This is a moderate benefit, since I always do some post processing regardless.

2. As Thomas points out, the image quality is usually higher in the straight wide angles.

However, grabbing a wider field of view onto one image can be an advantage is specific situation where you are unable to take two pictures and stitch later - typically when there is fast-moving action going on.

From an artistic point of view, fish-eye lenses save you a post-processing step if you want to have the distortion they offer.

The poll-results are as one might expect: there are more people who shoot wide angle without distortion.

Cheers :-)


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