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03-02-2014, 01:39 PM   #1
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Wide angle lens Sigma or Pentax

I recently bought a K 30, which I adore. Now looking to add a wide angle to my kit.
I've read tons of reviews on the Sigma 10-20 f 4 and the Pentax 10-17 f 3.5.
Last year I had a Nikon D 300 with Sigma 10-20 f 4, they performed very well. I sold and switched brands.
I found the Sigma pretty big mounted on the D 300. IQ was great but sometimes lacking in color.
In your honest opinion, which would be better for general shooting, image wise and handling, the Sigma or the Pentax?


Thanks for your replies.

03-02-2014, 01:54 PM   #2
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Pentax 10-17 is a fisheye. Pentax 12-24 is what you should compare to. There is an extensive review of ultra wide zooms here on the forum. Do read that first. I would link to it but i am on my tablet. Maybe someone else can provide it?
03-02-2014, 02:18 PM   #3
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QuoteOriginally posted by jatrax Quote
Pentax 12-24 is what you should compare to
The 12-24 is an outstanding lens.
03-02-2014, 02:26 PM   #4
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QuoteOriginally posted by jatrax Quote
Pentax 10-17 is a fisheye. Pentax 12-24 is what you should compare to. There is an extensive review of ultra wide zooms here on the forum. Do read that first. I would link to it but i am on my tablet. Maybe someone else can provide it?
Yes I've read the forum reviews, is the 10-17 strictly fish eye or can it be used as a very wide angle? I've never had a fish eye before. The Pentax 12-24 is out of my budget range.

03-02-2014, 03:18 PM   #5
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QuoteOriginally posted by one eyed shooter Quote
Yes I've read the forum reviews, is the 10-17 strictly fish eye or can it be used as a very wide angle? I've never had a fish eye before. The Pentax 12-24 is out of my budget range.
Unless you specifically want a fisheye lens, best to go with the Sigma 10-20/4-5.6 or the Tamron 10-24.
03-02-2014, 03:39 PM   #6
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The Sigma 8-16mm is probably the sharpest of the rectilinear wide angles based on reviews, also the widest, also expensive!
03-02-2014, 03:48 PM   #7
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QuoteOriginally posted by jezza323 Quote
The Sigma 8-16mm is probably the sharpest of the rectilinear wide angles based on reviews, also the widest, also expensive!
Also discontinued, at least in K-mount.

On this page:

8-16mm F4.5-5.6 DC HSM | Sigma

"Pentax" is listed under "Corresponding mounts",
but doesn't show up on the "Choose mount" dropdown.
03-02-2014, 04:39 PM   #8
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Yes it was recently discontinued, but you should still be able to find some around I would expect.

03-02-2014, 05:06 PM   #9
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Some people find this comparison of the 10-17 and 12-24 handy.



Years later I added the 10-17 @ 10mm but I am too lazy to join them now :-)

03-02-2014, 05:33 PM   #10
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QuoteOriginally posted by SpecialK Quote
Some people find this comparison of the 10-17 and 12-24 handy.



Years later I added the 10-17 @ 10mm but I am too lazy to join them now :-)

Thank you SpecialK, you're comparison is very helpful!
03-03-2014, 12:21 AM   #11
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See If you get get to test a Tamron 10-24 if you have a stockist near by, it's a very good lens
03-03-2014, 09:25 AM   #12
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QuoteOriginally posted by one eyed shooter Quote
Yes I've read the forum reviews, is the 10-17 strictly fish eye or can it be used as a very wide angle? I've never had a fish eye before. The Pentax 12-24 is out of my budget range.
I have the Pentax 10-17, it's not fisheye at the higher end, and Lightroom has a Lens Calibration that straightens thing out pretty well.

Tuggie76
03-03-2014, 09:49 AM   #13
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QuoteOriginally posted by one eyed shooter Quote
Yes I've read the forum reviews, is the 10-17 strictly fish eye or can it be used as a very wide angle?
Here is the review I mentioned: DA 12-24mm vs Sigma and Tamron 10-24mm Comparison - Introduction - PentaxForums.com

The 10-17 is a fish eye, how fishy depends on what focal length. Nothing wrong with a fish eye, if that's what you want but you said 'general shooting' and for me that eliminates fish eyes. YMMV
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