Sigma 10-20 to Sigma 8-16.... Would you, Could you, Should you?

Started Aug 7, 2010 | Discussions
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Dan_168 Veteran Member • Posts: 5,388
Re: Sigma 10-20 to Sigma 8-16.... Would you, Could you, Should you?

CrewDog wrote:

Dan_168 wrote:

... don't feel like bring the D3, 1DS2 or 1D2, ...

... on my D300 ...

Dan,

Since you appear to use an impressive variety of bodies & lenses of both makes, I couldn't help but ask your thoughts on Canon v. Nikon color rendition.

Apologies for the off-topic post. I'm actually researching UWAs while my Canon 10-22 is on its way....

Ryan

Ryan,

Let's not start a Canon Vs. Nikon war here, ( we already have too many of those ) and I am well aware I am in the Canon forum now, so whatever I said here is pure a PERSONAL preference from a clueless guy, hahaha, that's all. so people don't need to scream at me.

With that being said, to answer your question, I think with proper PP skill, I think you can pretty much achieve whatever end result you want as far as color's concerned from any of those camera I mentioned. I am not a photoshop lover but just a "lazy snap-shooter" :), I rather spend more time out there hiking, climbing, snowboarding and shooting instead of Post Processing in front of a computer, My work flow can't get any simpler, shoot raw, do a simple RAW conversion with DPP or Capture NX2, with very little PP like exposure correction, WB correction, that's about it. so say straight out of the camera without color adjustment, with my cameras, I really like those green came out of my Canon bodies and I seem to like the reds from my Nikon more than the Canon. I believe the Canon gives me a cooler image while the Nikon is normally warmer, again, that's straight out of the camera, and to my own eyes only, other people will tell you something different.

As for the UWA, I had that 10-22 before for my 20D, but again at that time I have no other option, but since the 8-16 is here and I have played with my friends copy and I really really like it, I just love NONE Fisheye UWA, so 12MM equivalent vs 16MM is a big deal to me, also the sigma has amazing corner sharpness, it's also a rectilinier lens while the 10-22 is not.therefore I am getting the Sigma 8-16 for my T2i.

martin brech Regular Member • Posts: 255
Re: Sigma 10-20 to Sigma 8-16.... Would you, Could you, Should you?

"also the sigma has amazing corner sharpness, it's also a rectilinier lens while the 10-22 is not.therefore I am getting the Sigma 8-16 for my T2i."

Hi

could you explain what difference it make to have a rectilinier lens vs a normal lens?

Also, i've seen in reviews that that canon 10-22 has very few distortion at 10, whereas ths sigma 8-16 has a lot at 8mm and 10mm. Could you confirm this?

Thank you very much!
--
http://picasaweb.google.com/vcx123456/

Dan_168 Veteran Member • Posts: 5,388
Re: Sigma 10-20 to Sigma 8-16.... Would you, Could you, Should you?

martin brech wrote:

"also the sigma has amazing corner sharpness, it's also a rectilinier lens while the 10-22 is not.therefore I am getting the Sigma 8-16 for my T2i."

Hi

could you explain what difference it make to have a rectilinier lens vs a normal lens?

Also, i've seen in reviews that that canon 10-22 has very few distortion at 10, whereas ths sigma 8-16 has a lot at 8mm and 10mm. Could you confirm this?

Thank you very much!
--
http://picasaweb.google.com/vcx123456/

Hello,

I will use someone else's words to explain that, basically you will get straight line instead of curved lines, so in landscape photo it translates into straight trees, poles, even they are near the edge of the frame....unfortunately, while they are straight, it doesn't mean they won't "lean over", for that you will need Tilt & Shift lens like the TSE17 or TSE24 to correct it. IMO, if you do landscape, the distortion is a lot less noticeable and a lot easier to manage than if you use it for architecture photography. But again for a crop camera if you need this wide, you really don't have any other better option out there.

http://en.wikipedia.org/wiki/Rectilinear_lens

CrewDog Forum Member • Posts: 62
Re: Sigma 10-20 to Sigma 8-16.... Would you, Could you, Should you?

Dan,

Thanks for the colorful commentary (pun intended) and also the rectilinear explanation.

Back on topic, I have experienced buyers remorse from the minute I pulled the trigger on the 10-22 since all indications are that the 8-16 is sharper and, of course wider. That said, I also look forward to trying shooting dramatically-lit landscapes like sunrises/sets where I'd enjoy the capability of a GND filter or perhaps a CP for some "pop"--that is, if I can compose a shot where the sky stays evenly saturated, so maybe not all the way out to 10mm.

My verdict is that I've got to give the 10-22 a try. I've read good things about it, too. Maybe one of these years, we'll all be shooting a 5DIV with a Canon 12-24mm f/2 L IS (I'm dreaming here...) but for now, I need a UWA, and no threads on the 8-16 was the deal breaker.

Edit: But maybe I should try a Sigma 8-16 before my two weeks runs out! Straight lines at 8mm sounds nice...

Ryan

Paul De Bra
Paul De Bra Forum Pro • Posts: 12,083
The Canon 10-22 really is rectilinear.

When you wrote:

... also the sigma has amazing corner sharpness, it's also a rectilinier lens while the 10-22 is not.therefore I am getting the Sigma 8-16 for my T2i...
you were mistaken.

The Canon 10-22, Sigma 8-16, 10-20, Tamron 10-24, 11-18, Tokina 11-16 and 12-24 are all rectilinear. Only the Tokina 10-17 is a fish-eye lens.

Now, while rectilinear there may be a bit of barrel distortion with these lenses, at the wide end. This is true for all of them, but some have a bit more distortion than others. The Canon 10-22 has low distortion and so does the Sigma 8-16.

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Slowly learning to use the 450D, the Canon G6 and the Fuji F200.
Public pictures at http://debra.zenfolio.com/ .

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martin brech Regular Member • Posts: 255
Re: The Canon 10-22 really is rectilinear.

Paul De Bra wrote:

When you wrote:

... also the sigma has amazing corner sharpness, it's also a rectilinier lens while the 10-22 is not.therefore I am getting the Sigma 8-16 for my T2i...

you were mistaken.

The Canon 10-22, Sigma 8-16, 10-20, Tamron 10-24, 11-18, Tokina 11-16 and 12-24 are all rectilinear. Only the Tokina 10-17 is a fish-eye lens.

Now, while rectilinear there may be a bit of barrel distortion with these lenses, at the wide end. This is true for all of them, but some have a bit more distortion than others. The Canon 10-22 has low distortion and so does the Sigma 8-16.

-- hide signature --

Slowly learning to use the 450D, the Canon G6 and the Fuji F200.
Public pictures at http://debra.zenfolio.com/ .

Thank you, everything is clear now!
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http://picasaweb.google.com/vcx123456/

Steve Balcombe Forum Pro • Posts: 11,664
Re: Sigma 10-20 to Sigma 8-16.... Would you, Could you, Should you?

martin brech wrote:

"also the sigma has amazing corner sharpness, it's also a rectilinier lens while the 10-22 is not.therefore I am getting the Sigma 8-16 for my T2i."

could you explain what difference it make to have a rectilinier lens vs a normal lens?

Dan has got this wrong, the 10-22 is a rectilinear lens (as are all the others listed by Paul De Bra).

Also there's a misunderstanding in your question - a rectilinear lens is just a technical term for what we normally regard as a normal lens - one which projects straight lines as straight lines.

Barrel distortion is a small deviation from being truly rectilinear and some lenses have more than others. The 10-22 is exceptionally good, with barrel distortion which is so slight that it can barely be seen even in critical architectural shots. The Sigma 10-20 is very good too, but the 8-16 has very unpleasant 'wavy' distortion that will irritate the heck out of Dan if he doesn't want to do any PP. On the other hand it has exceptional corner sharpness - these are all good lenses, just with different design compromises.

Also, i've seen in reviews that that canon 10-22 has very few distortion at 10, whereas ths sigma 8-16 has a lot at 8mm and 10mm. Could you confirm this?

Anticipated this question above

martin brech Regular Member • Posts: 255
Re: Sigma 10-20 to Sigma 8-16.... Would you, Could you, Should you?
jrarsenault OP Senior Member • Posts: 1,149
Re: Sigma 10-20 to Sigma 8-16.... Would you, Could you, Should you?

Edit: But maybe I should try a Sigma 8-16 before my two weeks runs out! Straight lines at 8mm sounds nice...

Ryan

If you do try the Sigma 8-16, please report back to us what your opinions are in comparison to the Canon 10-22 that you just bought. Also, if you can, post some comparative photos. Good luck!

Dan_168 Veteran Member • Posts: 5,388
Re: Sigma 10-20 to Sigma 8-16.... Would you, Could you, Should you?

CrewDog wrote:

Dan,

Thanks for the colorful commentary (pun intended) and also the rectilinear explanation.

Back on topic, I have experienced buyers remorse from the minute I pulled the trigger on the 10-22 since all indications are that the 8-16 is sharper and, of course wider. That said, I also look forward to trying shooting dramatically-lit landscapes like sunrises/sets where I'd enjoy the capability of a GND filter or perhaps a CP for some "pop"--that is, if I can compose a shot where the sky stays evenly saturated, so maybe not all the way out to 10mm.

My verdict is that I've got to give the 10-22 a try. I've read good things about it, too. Maybe one of these years, we'll all be shooting a 5DIV with a Canon 12-24mm f/2 L IS (I'm dreaming here...) but for now, I need a UWA, and no threads on the 8-16 was the deal breaker.

Edit: But maybe I should try a Sigma 8-16 before my two weeks runs out! Straight lines at 8mm sounds nice...

Ryan

yeah, you can't use any filer on the 8-16, unless you want to handhold it. have fun with the lens and good luck, report back how you like the lens, which ever you ended up with.

LSHorwitz1 Senior Member • Posts: 2,423
Re: Sigma 10-20 to Sigma 8-16.... Would you, Could you, Should you?

jrarsenault wrote:

Edit: But maybe I should try a Sigma 8-16 before my two weeks runs out! Straight lines at 8mm sounds nice...

Ryan

If you do try the Sigma 8-16, please report back to us what your opinions are in comparison to the Canon 10-22 that you just bought. Also, if you can, post some comparative photos. Good luck!

In an earlier thread, I posted in my Gallery a photo of a brick wall to demonstrate how the Sigma 8-16 does with straight lines at 8mm.

It may be of interest to repeat that here so I will will post this sample for anyone who is interested.

Larry

kymarto Contributing Member • Posts: 640
Re: Sigma 10-20 to Sigma 8-16.... Would you, Could you, Should you?

The only use for a polarizer on an UWA lens is to saturate foliage and eliminate other non-specular reflections. It is useless for darkening the sky, you will only get distracting banding.

I always carry CPLs, and use them often. Personally, I have not missed using it on the 8-16. Of course it would be nice if possible, but really the difference is pretty minimal IMO. So the leaves are a bit shiny, so what?

Toby

kymarto Contributing Member • Posts: 640
Re: Sigma 10-20 to Sigma 8-16.... Would you, Could you, Should you?

If you want "pop", just shoot HDR.

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