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LBA: Sigma 8-16mm/4.5-5.6 HSM first shots
Lens: Sigma 8-16/4.5-5.6 HSM Camera: K-7 Photo Location: Switzerland, Lake Geneva 
Posted By: tcom, 06-26-2010, 11:45 AM


Over the years, I liked ultra wide angle lenses more and more. They are tough as they need extra attention when composing the shot to get attractive photos, but then, they allow some very dynamic shots. That's why I contacted the Sigma rep and asked when the Sigma 8-16 will be available in Pentax mount. The rep told me that he will inform me when he knows somethings, usually the Pentax mount version is released 2-3 months after the C/N mounts.

On Wednesday he sent me an EMail telling the first lenses arrived, I could go to a shop and order one if interested, that what I did on the same day. Yesterday, I could pick it up.

The lens does make a sturdy impression. The build quality seems very high. The lens is HSM only, so it will require an Pentax DSLR with SDM support to work.

On first tests, I encountered a problem with the lens. When the focal is below 10mm, the K-7 (as well as K-x and K20D) does not seem to understand the focal length transmitted by the lens and displays ---mm on the display. The focal length is also missing in the EXIF, PhotoME reports focal length not set. When the lens is set between 10 and 16mm, it works. I will see what the Sigma rep says about it...

So, but what does the lens deliver? Photos of today, all taken with K-7

1 Statue in Vevey
below 10mm (probably 8mm), f/8, 1/200s, 100iso

2 Steamboat Vevey, in Vevey
11mm, f/6.3, 1/800s, 100iso

Fields of daylilies
below 10mm, f/10, 1/125s, 100iso

below 10mm, f/5, 1/500s, 100iso

below 10mm, f/10, 1/125s, 100iso

6 Chillon Castle
12mm, f/7.1, 1/400s, 100iso

7 Steamboat La Suisse

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06-26-2010, 12:17 PM   #2
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Excellent work Dominique.

As a rule I'm not a fan of wide angle images but these are outstanding.

Tom G
06-26-2010, 05:28 PM   #3
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is it just me or does the out of focus area in photos 3& 4 seem a little strange? it may be this lens bokeh but to me I am not sure i like it but looks like a lens that has potential to it
06-26-2010, 11:01 PM   #4
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Thanks for the comments.

gokenin: I saw that. I did not take enough photos yet to really answer this question. I suppose it is the bokeh you have to expect from an UWA zoom lens.

06-26-2010, 11:05 PM   #5
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Great post keep us all in the loop regarding the Non show under 10mm display TFS

06-26-2010, 11:14 PM   #6
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Yes, I will do that.

I am wondering if the communication between lens and camera has been designed to communication values below 10mm, as there is no single lens from Pentax going below 10mm (at least among the lenses communicating a focal length). Is 10mm the lower limit of the Pentax F mount?
06-27-2010, 12:22 AM   #7
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I love that last shot of the Swiss boat .. very cool indeed.

I have the 10-20 and think it's a fantastic lens.
06-27-2010, 12:27 AM   #8
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Great 3D effect with this lens. The strange bokeh gives the impression of a zooming motion, which is quite cool imo. Nice composition on these too.

06-27-2010, 05:56 PM   #9
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love #2.... the perspective and subject matter(s) wondefully composed... dave m
06-27-2010, 11:02 PM   #10
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Thanks for the comments.

Here is another series taken with this lens:
16mm, 1/200s, f/13, 100iso

8mm, 1/80s, f/11, 100iso

8mm, 1/80s, f/11, 100iso

8mm, 1/60s, f/11, 100iso (full res photo behind link)

8mm, 1/200s, f/6.3, 100iso

8mm, 1/60s, f/11, 100iso

8mm, 1/125s, f/11, 100iso

16mm, 1/250s, f/11, 100iso

10mm, 1/1000s, f/5.6, 100iso

10 Steam engine of Steamboat La Suisse (built in 1910)
8mm, 1/15s, f/5, 1250iso
06-27-2010, 11:37 PM   #11
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Ooooh I think I might hate you a little bit....damn, now I really want this lens!

These 3 particularly strike me:

06-28-2010, 12:49 AM   #12
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Looks like a nice piece of glass! Great photos.
07-01-2010, 05:21 PM   #13
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Those photos look amazing but I am curious also about the camera not being able to recognize anything below 10mm. I see you took some pics at 8mm, so does it mean that you can still take 8mm pics but the camera will not transmit any of the electrical data? How about AF at 8mm? and apature at 8mm?
07-03-2010, 01:17 PM   #14
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I think this will be my next lens...
07-04-2010, 12:18 PM   #15
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Great shots, Dominique! I really like the first and the last shots! The first made me smile.

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