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SpecialK · 09-28-2015, 07:59 PM

10-17 vs 12-24.

**UncleVanya** · 09-28-2015, 08:01 PM

SpecialK - thanks that was so helpful!

SpecialK · 09-28-2015, 08:33 PM

Originally posted by UncleVanya

SpecialK - thanks that was so helpful!

I went back some time later to get the 10mm fisheye shot for reference.

Sandy Hancock · 09-28-2015, 11:35 PM

The DA10-17 @ 10mm is significantly wider than even the Sigma 8-16 @ 8mm. It is even a little wider when it is de-fished in post-processing.

Man cave 8mm

Man cave 10mm FE

Man cave 10mm FE corrected

kh1234567890 · 09-28-2015, 11:35 PM

Originally posted by SpecialK

10-17 vs 12-24.

Slightly deceptive comparisons though, cropping to the middle of the frame. It is the frame corners that get stretched/compressed, being further away from the lens axis.

gerax · 09-29-2015, 12:39 AM

After a bit more research and your comments I'm leaning towards the Sigma as I think the fisheye is more of a specialized lens for some dramatic shots, but I need more of a "general purpose" wide angle lens for landscapes and streets.
Now, that half step is worth having in your opinion? I shoot with a K30 and a K-01.

Thanx

SpecialK · 09-29-2015, 06:02 AM

Originally posted by kh1234567890

Slightly deceptive comparisons though, cropping to the middle of the frame. It is the frame corners that get stretched/compressed, being further away from the lens axis.

Of course, but this is about the angle of view.

**UncleVanya** · 09-29-2015, 06:08 AM

Originally posted by gerax

After a bit more research and your comments I'm leaning towards the Sigma as I think the fisheye is more of a specialized lens for some dramatic shots, but I need more of a "general purpose" wide angle lens for landscapes and streets.
Now, that half step is worth having in your opinion? I shoot with a K30 and a K-01.

Thanx

The article I posted about earlier compares both versions. I can't say as I haven't used either version.

Kath · 09-30-2015, 09:25 PM

If you decided on the Sigma 10-20 (I did), you have approximately 2.5 hours to buy it for $200 off the regular price at BH Photo.

Something tells me you might have known that already ��

gerax · 10-01-2015, 12:34 AM

I'd do it in a pinch if it wasn't that shipping and customs (I'm from Italy) will make it more or less the same price I'd pay for it here...Too bad...

gerax · 10-01-2015, 07:24 AM

...besides, why third party lenses for the Pentax system always cost more than Nikon or canon...?

ChristianRock · 10-01-2015, 07:38 AM

The B&H Photo website says the Sigma 10-20mm f/4-5.6 for Pentax is not available and has been discontinued...

They still have the 10-20mm f/3.5 though.

Kath · 10-01-2015, 10:16 AM

Originally posted by gerax

I'd do it in a pinch if it wasn't that shipping and customs (I'm from Italy) will make it more or less the same price I'd pay for it here...Too bad...

Ah! Yes, that's too bad. $449 was a very good price. But maybe you'll find it there for something equivalent. Good luck!

By the way, the half stop between the old and new 10-20's will come in handy for filtered work. Every little bit helps there. I chose the 10-20 over a used 8-16 for the ability to use filters, though I would have preferred the extra 2mm.

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09-28-2015, 07:59 PM	#16
SpecialK Pentaxian Join Date: Dec 2006 Location: So California Photos: Gallery Posts: 16,482	10-17 vs 12-24.

09-28-2015, 08:01 PM	#17
UncleVanya Loyal Site Supporter Join Date: Jul 2014 Photos: Gallery \| Albums Posts: 28,472	SpecialK - thanks that was so helpful!

09-28-2015, 08:33 PM	#18
SpecialK Pentaxian Join Date: Dec 2006 Location: So California Photos: Gallery Posts: 16,482	Originally posted by UncleVanya SpecialK - thanks that was so helpful! I went back some time later to get the 10mm fisheye shot for reference.

09-28-2015, 11:35 PM	#19
Sandy Hancock Moderator Site Supporter Join Date: Feb 2012 Location: Adelaide Hills, South Australia Photos: Gallery \| Albums Posts: 11,276	The DA10-17 @ 10mm is significantly wider than even the Sigma 8-16 @ 8mm. It is even a little wider when it is de-fished in post-processing. Man cave 8mm Man cave 10mm FE Man cave 10mm FE corrected

09-28-2015, 11:35 PM	#20
kh1234567890 Veteran Member Join Date: Sep 2010 Location: Manchester, UK Photos: Gallery Posts: 2,653	Originally posted by SpecialK 10-17 vs 12-24. Slightly deceptive comparisons though, cropping to the middle of the frame. It is the frame corners that get stretched/compressed, being further away from the lens axis.

09-29-2015, 12:39 AM	#21
gerax Senior Member Join Date: Nov 2014 Posts: 224 Original Poster	After a bit more research and your comments I'm leaning towards the Sigma as I think the fisheye is more of a specialized lens for some dramatic shots, but I need more of a "general purpose" wide angle lens for landscapes and streets. Now, that half step is worth having in your opinion? I shoot with a K30 and a K-01. Thanx

09-29-2015, 06:02 AM	#22
SpecialK Pentaxian Join Date: Dec 2006 Location: So California Photos: Gallery Posts: 16,482	Originally posted by kh1234567890 Slightly deceptive comparisons though, cropping to the middle of the frame. It is the frame corners that get stretched/compressed, being further away from the lens axis. Of course, but this is about the angle of view.

09-29-2015, 06:08 AM	#23
UncleVanya Loyal Site Supporter Join Date: Jul 2014 Photos: Gallery \| Albums Posts: 28,472	Originally posted by gerax After a bit more research and your comments I'm leaning towards the Sigma as I think the fisheye is more of a specialized lens for some dramatic shots, but I need more of a "general purpose" wide angle lens for landscapes and streets. Now, that half step is worth having in your opinion? I shoot with a K30 and a K-01. Thanx The article I posted about earlier compares both versions. I can't say as I haven't used either version.

09-30-2015, 09:25 PM	#24
Kath Site Supporter Join Date: Jan 2014 Location: Portland, OR Photos: Gallery Posts: 737	If you decided on the Sigma 10-20 (I did), you have approximately 2.5 hours to buy it for $200 off the regular price at BH Photo. Something tells me you might have known that already ��

10-01-2015, 12:34 AM	#25
gerax Senior Member Join Date: Nov 2014 Posts: 224 Original Poster	I'd do it in a pinch if it wasn't that shipping and customs (I'm from Italy) will make it more or less the same price I'd pay for it here...Too bad...

10-01-2015, 07:24 AM	#26
gerax Senior Member Join Date: Nov 2014 Posts: 224 Original Poster	...besides, why third party lenses for the Pentax system always cost more than Nikon or canon...?

10-01-2015, 07:38 AM	#27
ChristianRock Pentaxian Join Date: Jul 2013 Location: People's Republic of America Photos: Gallery \| Albums Posts: 9,912	The B&H Photo website says the Sigma 10-20mm f/4-5.6 for Pentax is not available and has been discontinued... They still have the 10-20mm f/3.5 though.

10-01-2015, 10:16 AM	#28
Kath Site Supporter Join Date: Jan 2014 Location: Portland, OR Photos: Gallery Posts: 737	Originally posted by gerax I'd do it in a pinch if it wasn't that shipping and customs (I'm from Italy) will make it more or less the same price I'd pay for it here...Too bad... Ah! Yes, that's too bad. $449 was a very good price. But maybe you'll find it there for something equivalent. Good luck! By the way, the half stop between the old and new 10-20's will come in handy for filtered work. Every little bit helps there. I chose the 10-20 over a used 8-16 for the ability to use filters, though I would have preferred the extra 2mm.

Let's talk wide angle lenses?

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