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06-28-2009, 01:20 AM   #1
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Fisheye lens

I'm on lookout for a fisheye lens and would like to ask for assistance in which way to go. Firstly cost is not a problem. I do have a 10-20 ex sigma lens which is fine I just want more from my photos.

It would be used for landscape and motorsport photos.

06-28-2009, 01:29 AM   #2
Damn Brit
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The Pentax 10-17 is a well regarded fisheye.
06-28-2009, 01:54 AM   #3
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I have the 10-17 fisheye and fully reccomend it. For your purpose it should do fine. Only problem with it is Purple Fringing, which really it's only flaw other than the ok bokeh. It's really more like a jack of all trades lens rather than speciality. (well, it can't do moderate to long telephoto, but that's probably the "only" thing it can't do!) :b

Out of curiosity, what options do we have for Fisheyes really? And which ones are actually useful (ie. have features not covered by 10-17)?

Zenitar 16mm (the cheapo way)
Takumar 17mm / K17 (pretty rare, pancake)
A16/K8 (never seen any, ever)
F17-28 (never seen any, rare? full frame)
DA10-17 (full frame from 14-17)
Sigma 10mm, 8mm, 4.5mm 15mm (is the 4.5mm full circular on SPC-C? Is the 8mm really available?)

Last edited by Andi Lo; 06-28-2009 at 02:03 AM.
06-28-2009, 07:48 AM   #4
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QuoteOriginally posted by Andi Lo Quote
I have the 10-17 fisheye and fully reccomend it. For your purpose it should do fine. Only problem with it is Purple Fringing, which really it's only flaw other than the ok bokeh. It's really more like a jack of all trades lens rather than speciality. (well, it can't do moderate to long telephoto, but that's probably the "only" thing it can't do!) :b

Out of curiosity, what options do we have for Fisheyes really? And which ones are actually useful (ie. have features not covered by 10-17)?

Zenitar 16mm (the cheapo way)
Takumar 17mm / K17 (pretty rare, pancake)
A16/K8 (never seen any, ever)
F17-28 (never seen any, rare? full frame)
DA10-17 (full frame from 14-17)
Sigma 10mm, 8mm, 4.5mm 15mm (is the 4.5mm full circular on SPC-C? Is the 8mm really available?)
QuoteQuote:
Out of curiosity, what options do we have for Fisheyes really? And which ones are actually useful (ie. have features not covered by 10-17)?
If you are using a film camera then the K17/4, A16/2.8 or Tak17/4 are your best bet, as they have built-in filters for colour and B&W film.

06-28-2009, 11:10 AM   #5
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QuoteOriginally posted by Damn Brit Quote
The Pentax 10-17 is a well regarded fisheye.
+1. You can't go wrong with this lens.
06-28-2009, 12:02 PM   #6
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Ah yes, the built in filters... using filters with the DA 10-17 you need the slim ones and it only works from a certain focal length and up
06-28-2009, 12:10 PM   #7
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unfortunately I don't think that the fisheye is a strong point in the Pentax lineup. It is adequate and I shot the Pentax 10-17 and the old FF 17-28 fisheye for years and I just assumed that since fisheye created a distorted image, "sharp" was not possible. Having purchased the Canon 15mm fisheye for my other system I can't believe what a good fisheye is really capable of.

I would say this is one of the ONLY instances where Pentax cannot match Canon for image quality. I don't have any experience with the other Pentax compatible 3rd party fisheye's
06-28-2009, 02:13 PM   #8
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QuoteOriginally posted by kunik Quote
unfortunately I don't think that the fisheye is a strong point in the Pentax lineup. It is adequate and I shot the Pentax 10-17 and the old FF 17-28 fisheye for years and I just assumed that since fisheye created a distorted image, "sharp" was not possible. Having purchased the Canon 15mm fisheye for my other system I can't believe what a good fisheye is really capable of.
I don't have any real complaints about the 10-17mm fisheye. It seems sharp enough for my purposes (K10D, 1/60, F8, ISO 1000):



100% crop:



06-28-2009, 02:51 PM   #9
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So is the Pentax 10-17mm definitely better than the Sigma 10-20mm?
06-28-2009, 02:57 PM   #10
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QuoteOriginally posted by krs Quote
So is the Pentax 10-17mm definitely better than the Sigma 10-20mm?
The Sigma 10-20mm is not a fisheye. Apples and oranges.
06-28-2009, 03:00 PM   #11
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I don't normally push other brands, but have you looked at the Sigma 8 mm fish eye?
06-28-2009, 03:05 PM   #12
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QuoteOriginally posted by jimby Quote
I don't have any real complaints about the 10-17mm fisheye. It seems sharp enough for my purposes (K10D, 1/60, F8, ISO 1000):
It is definitely adequate but I was never able to produce shots as sharp as this with the Pentax at f6.3



100%crop

06-28-2009, 03:21 PM   #13
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QuoteOriginally posted by kunik Quote
It is definitely adequate but I was never able to produce shots as sharp as this with the Pentax at f6.3
I shuffled through my 10-17 pictures to see if I have a picture that can rebut this statement... but I actually dont! Interestingly I've always regarded the 10-17 as one of my sharpest lenses, even though when you pixelpeep it's actually not really that sharp. Now I think there's an impression of sharpness in pictures from this lens that comes from contrast, even though the actual sharpness isn't that great.

That said I think it certainly looks sharp... I'd say on this lens the zoom and close focus makes up for its 'lack' of sharpness with versatility.



06-28-2009, 03:38 PM   #14
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QuoteOriginally posted by Andi Lo Quote
I shuffled through my 10-17 pictures to see if I have a picture that can rebut this statement... but I actually dont! Interestingly I've always regarded the 10-17 as one of my sharpest lenses, even though when you pixelpeep it's actually not really that sharp. Now I think there's an impression of sharpness in pictures from this lens that comes from contrast, even though the actual sharpness isn't that great.

That said I think it certainly looks sharp... I'd say on this lens the zoom and close focus makes up for its 'lack' of sharpness with versatility.
In the world of sports sharp matters a lot more than in other fields of photography. I've seen plenty of nice pictures taken with the Pentax but when I tried sports shots I was just never very happy. I always have tons of tiny text in my photos representing advertisements for tires, helmets, energy bars etc. Even without really pixel-peeping if those are not tack sharp it tends to be really noticeable.
06-28-2009, 04:17 PM   #15
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QuoteOriginally posted by Andi Lo Quote
Out of curiosity, what options do we have for Fisheyes really? And which ones are actually useful (ie. have features not covered by 10-17)?

Zenitar 16mm (the cheapo way)
Takumar 17mm / K17 (pretty rare, pancake)
A16/K8 (never seen any, ever)
F17-28 (never seen any, rare? full frame)
DA10-17 (full frame from 14-17)
Sigma 10mm, 8mm, 4.5mm 15mm (is the 4.5mm full circular on SPC-C? Is the 8mm really available?)
According to Sigma Japan the 4.5mm is full circular on APS-C.

And also according to Sigma Japan the Pentax mount of the 8mm is still not available.
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