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10-05-2008, 07:12 AM   #1
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Pentax 14 or Sigma 14?

Going off of Grimlock's earlier thread, I am also going to be purchasing a wide angle, and as I shoot primes I would like to stick with one of these two. I was wondering if anyone here has any experience with both, and give me an idea as to which one tends to perform better.

10-05-2008, 07:42 AM   #2
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not sure if anyone has both :| ... rare to see pentax users with that Sigma lens

you can read about the sigma reviews here
FM Reviews - 14mm f2.8 EX Aspherical
10-05-2008, 08:31 AM   #3
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Another option is to wait a little bit for the release of Pentax DA 15 ltd.
10-05-2008, 10:58 AM   #4
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QuoteOriginally posted by k100d Quote
... rare to see pentax users with that Sigma lens.


Really? I know I'm not the only one.

It's a tank of a lens, kinda like a pint sized Bigma. That makes it's a pain if you know you'll be using it all day, but to me the IQ make up for this.

10-05-2008, 11:53 AM   #5
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QuoteOriginally posted by ariahspam Quote
Another option is to wait a little bit for the release of Pentax DA 15 ltd.
That is still most likely 6-7 months away before being released, and that is if they actually release it on time. Looking to get a new lens a little before then. Thanks for the idea though.
10-05-2008, 01:38 PM   #6
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QuoteOriginally posted by ariahspam Quote
Another option is to wait a little bit for the release of Pentax DA 15 ltd.
Ditto, though no f2.8 but I hope it is going to meet the expectation of many.
10-06-2008, 11:38 PM   #7
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Here's some photos from the Sigma 14mm..

...let down by the photographer I'm afraid, I haven't really mastered this lens. At least it will give you an idea of the FOV on a k100D. All shot wide open in evening light, mainly handheld, except for 2 and 5 where I rested the camera on the bridge. It is a relatively big and heavy lens.

I can't comment on the Pentax, perhaps someone could post some photos.

The Sigma is for sale in the Photographer's marketplace (I assume I can say that here, but if not - sorry!)

Don
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10-07-2008, 08:28 AM   #8
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My Sigma 14mm is a littel unsharp i the corners. But for the low price, i have learned to adjust my photo life to it. I'll try to find some photos to show it and post them later.

10-07-2008, 08:55 AM   #9
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I have zero experience with the Sigma, but here are a few DA14 shots...

@F3.2 - Don't ask why because I have no idea. You can see some vignetting...


@F5 - Reasonably sharp and good DOF


@F11 - Please ignore the heavy contrast


I like the lens, but don't use it nearly enough to justify the cost. I tend to see things closer I guess. I'm not sure I have that wide-angle eye, but I'm going to try to use it more.
10-07-2008, 09:02 AM   #10
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all i can say is

do you like pentax glass

or do you like sigma glass

thats the only real question you should ask yourself in this case.
10-07-2008, 10:43 AM   #11
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Just get the 12-24.

The 14 is less flexible, larger, heavier and no better in terms of resolution/contrast/colour (if anythign it's not as good).

The one stop of light is dubious at best, shallow DOF wide angle often looks odd and at 14mm you need to muster up a shutter speed of 1/10th sec (with SR) ..... you can usually do that at f/4.

The difference between 14 and say 18mm is massive.
10-07-2008, 02:03 PM   #12
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I think there is little difference between sigma and pentax da 14mm f2.8

I sold my Da 14mm f2.8 ealy this year and never regreted since I got Da* 16-50mm f2.8

When you have wide angle, composition makes it difficult to create an interesting image.

Here is my gallery for Da 14

Pentax Da 14mm f2.8
10-08-2008, 10:16 PM   #13
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Love my DA 14

I have to say that I have had beautiful results with my DA 14. It vignettes with a Cokin filter set, but that is the only time. Here are a few shots, with great color, sharpness, and clarity. Judge for yourself!

In addition, being the "proud" owner of a Tokina AFX 24-200, the DA 14 is not only light weight, but short and slim to boot. If you want to see a tank, try a Tokina!
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Last edited by dawsonjm; 10-08-2008 at 10:23 PM. Reason: additional text
10-09-2008, 12:13 PM   #14
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Chalk up a vote for the Pentax. While the 12-24 is more versatile, it's also more expensive. That prompted me to get the DA 14, and I have loved it in the 10+ months that I've had it. It has taken some considerable abuse in slot canyons and has not been affected at all. The Quick-shift focus system gives quick access to manual override (and the focus ring doesn't turn as you autofocus), but the DOF at this focal length is huge (the focus marks on the lens go from something like 1 foot to 7 feet, then after 7 feet comes infinity.

You have know what you're doing to use a wide-angle well, but if you do the results can be specatcular. I'll post some (more) sample images from the DA 14 when I get home from work.
10-09-2008, 08:12 PM   #15
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Here are the examples I promised:






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