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10-24-2010, 01:48 PM   #1
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comparison shot request: Zenitar 16mm vs. 18-55

Hi there!

I've been thinking about adding something a bit wider / faster to my lens collection. Can someone who has both lenses take a quick pair of shots while standing in the same place, pointing at the same subject? I'm just looking far a FOV comparison, so it doesn't need to be anything really interesting, nor PP'd, etc. The 18-55 at 18 please!

Thanks!
-steve

10-24-2010, 02:58 PM   #2
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Which 18-55mm lens are you looking to compare? The DA*L kit lens that comes with the K-x/K-r? I have both the Zenitar and the kit lens.
10-24-2010, 03:59 PM   #3
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QuoteOriginally posted by Turbo_Spool900 Quote
Which 18-55mm lens are you looking to compare? The DA*L kit lens that comes with the K-x/K-r? I have both the Zenitar and the kit lens.
The DAL would be perfect. Thanks!
10-24-2010, 04:38 PM   #4
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If I remember, the Zenitar FE is around 12mm rectilinear equivalent in FoV.

10-24-2010, 06:52 PM   #5
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QuoteOriginally posted by Eruditass Quote
If I remember, the Zenitar FE is around 12mm rectilinear equivalent in FoV.
That is correct. FOV is wider for a fisheye than for a rectilinear of the same focal length and for the Zen on APS-C is about 120 degrees.

As for the OP request...I own both the version I of the 18-55 kit and the Zenitar 16/2.8. While I don't have direct comparison photos, I can make the following generalities:
  • The Zenitar is much wider than the kit
  • The Zenitar is about the same sharpness as the kit at f/3.5 and much sharper at f/5.6 and narrower
  • The 18-55 may have marginally better contrast and resistance to flare
  • To my eye, the barrel distortion of the kit is more distracting than the fish-eye projection of the Zen.
  • Both the Zen and the kit have a tendency to "Purple Fringing"
  • Both the Zen and the kit (at the wide end) are a pain to manual focus without a focus aid
  • The Zen is much more compact than the kit
  • The lens cap for the Zen is a joke...ditto for the hood...
While I don't have direct comparison shots with both lenses, I can show you a selection of photos from my Flickr account made with both lenses:If you get a Zen, you won't be disappointed. It is a fun lens. If you stay with or get the 18-55 you won't be disappointed. It is not as much fun as the Zen, but it is the value queen of the kit lenses and is capable of producing real nice images.


Steve


P.S. While both the 18-55 and the Zen are usually in my bag, the Zen gets probably 5 times actually mounted up...
10-24-2010, 08:27 PM   #6
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Here's the kit lens at 18mm. Exposure: 1/10th sec shutter speed, ISO400, f/4



Zenitar 16mm. Exposure: 1/10th sec shutter speed, ISO400, f/4



Hope this helps.
10-24-2010, 10:35 PM   #7
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QuoteOriginally posted by Turbo_Spool900 Quote
Here's the kit lens at 18mm. Exposure: 1/10th sec shutter speed, ISO400, f/4



Zenitar 16mm. Exposure: 1/10th sec shutter speed, ISO400, f/4



Hope this helps.
It helps quite a bit. Thank you!
10-24-2010, 10:56 PM   #8
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I just got the Zenitar on Friday, so I've really only spent one day shooting with it, but from what I can tell thus far it's a decent fisheye for the price you pay. Stopped down a bit it is quite sharp and up close the fisheye distortion is much more pronounced (which I like).

10-24-2010, 11:59 PM   #9
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For me, it's easier to judge the FoV difference in an open/outside/landscape-type shot.
10-25-2010, 12:13 AM   #10
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It's nice and rainy out and has been for a few days.

I'll try and get a shot outside when it clears up.
10-25-2010, 07:20 AM   #11
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I would love to see how well an image like that corrects in photoshop..
10-25-2010, 10:30 AM - 1 Like   #12
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QuoteOriginally posted by paperbag846 Quote
I would love to see how well an image like that corrects in photoshop..
Here is an uncorrected shot with the Zenitar on the K10D:




And the same file corrected using PT Lens (I can't afford PS):




Note how much of the photo "disappeared". I could have adjusted the perspective as well, but left it as is for affect. Note too that elements on the margins no longer have appropriate size relationship within the frame. I think of that as the "rectilinear penalty".


Steve
10-25-2010, 05:28 PM   #13
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It's still a really nice field of view. Thanks for posting!
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