Forums › Forums › Get Technical › Hardware › Canon 10-22mm lens
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July 6, 2007 at 1:08 pm #12049ElsinoreKeymaster
I’ve been looking into superwides myself. The Tokina 12-24 gets good reviews, albeit with some chromatic aberration at the corners (chromatic aberration is hard to avoid in superwides, to be fair). Sigma has a couple: the 10-20 which looks like a pretty good lens, the 12-24 which is actually a full frame lens, and the 15-30 which is also full frame. Then there’s the Tamron 11-18, though with such a narrow zoom range, I’m not that interested in that one. Decisions, decisions…
Analogy: those shots are awesome–what a great view on that puppy!
July 6, 2007 at 3:04 pm #12050powerplantgirlParticipantOooh I’m so jealous.
Ima have to get me one of those now!
You guys make me spend too much money!
All of your badass shots make me want to try new things…🙂
July 6, 2007 at 4:35 pm #12051monkeybortParticipant*expletives*
every freaking shot i see with that lens makes me want it more….and more…..and more.
shit.
ok, first *paying* gig I get, whether it be as a main photog or a 2nd, i’m getting that lens.
Or if i sell 5 framed prints.
now there’s something to work towards!!
July 10, 2007 at 9:18 am #12052XenPixParticipantWell, since I just got some dosh in from my wedding shoot, I’m a good way towards it. I’d love to have this for my trip to Brussels in September. The streets are all tight and squidgy, so a 10mm would do sooo much.
Don’t suppose I could be cheeky and ask you to get a couple of shots of buildings or streets so I could see how it deals with architecture and hard lines?
😀
July 10, 2007 at 11:27 am #12053AnalogyParticipantI’ll see what I can do XenPix. I can tell you right now though that lines are very straight except at the very wide end. 14-22mm is pretty much perfect. 10mm shows very minimal barrel distortion, nothing a little photoshop can’t fix. It’s also got a lot of vignetting at wide-open aperture.
Personally I use DxO Optics Pro so I never see these problems except in the source image. The folks at DxO Labs have measured the distortion, vignetting, CA, etc. characteristics of a ton of lenses and the software can precisely “undo” them, resulting in a (technically) perfect image. It’s also got some fantastic color correction features.
July 11, 2007 at 12:28 pm #12054AnalogyParticipantOkay XenPix, here’s what I’ve come up with:
All three images have gone through identical processing, except the lens correction is different. The original shot was at 10mm, the widest setting on the lens which shows the most distortion, and a wide-open aperture which shows the most vignetting. Basically this is the lens at its “worst.”
Here’s the lens with no lens correction
Distortion and vignetting corrected
Keystoning corrected for a “perfect verticals” sort of architecture photography type shot.Use your left and right arrow keys to flip between them to see the difference. You’ll see the vignetting is actually more of an issue than the distortion, but it goes away if you stop down to f/5.6, and it’s easily correctable in software anyway.
Hope this helps.
July 11, 2007 at 12:47 pm #12055XenPixParticipantThat’s freaking fantastic!
Thanks Analogy!
I’ll definitely be getting one of those, and soon!
July 11, 2007 at 12:53 pm #12056AnalogyParticipantGlad I could help. Have fun when you get it.
July 12, 2007 at 2:36 pm #12057XenPixParticipantAfter all your hard work, Analogy, I decided to get the cheaper Sigma version. The reviews I’ve seen and sample images that were in the reviews didn’t seem worth that extra 200 quid, so I’ve spent the difference on that nifty Kenko extension tube set and some shiny new filters.
I’ve had a heap of sigma lenses with my 35mm, and they were all solid and decent quality, my zoom is a Sigma, and although isn’t as crisp as I would like, for the price, it’s been super value for money.
Unfortunately, I have to do this on a budget until I can get some more income from it, the day job won’t pay for all that and the bills. 🙁
July 12, 2007 at 3:51 pm #12058CuriousParticipantAnology thanks for posting those examples. they were interesting. especially the keystoning one.
July 12, 2007 at 5:41 pm #12059AnalogyParticipantNah, that’s okay. I would have taken those pictures anyway. =D
July 12, 2007 at 6:56 pm #12060ElsinoreKeymasterThat was pretty interesting, what you can do to correct the distortions and whatnot. I use UFRAW/GIMP and Bibble, and Bibble has distortion correction, though I haven’t had the chance to use it on anything truly distorted. But I will soon get the chance cause I just got my Tokina 12-24mm f/4 in today–Anniversary pressie!
July 17, 2007 at 7:09 pm #12061XenPixParticipantMy Sigma arrived yesterday.
Here’s a couple straight off the camera (no fixing, just reduced – not cropped)
The street I am standing the other side of is one car wide (good old english streets and all that), just to give you an idea.
I managed to bash the cat in the nose with it last night, so she’s once again avoiding the camera like the plague, last time, it was because I had the flash on, she’s so fussy! Should be a super shot of her when I get it though!
July 17, 2007 at 7:40 pm #12062AnalogyParticipantOh boy, we’re going to be seeing contests full of huge wide angle photos now and it’s all my fault.
July 17, 2007 at 9:02 pm #12063sleepingParticipantOh boy, we’re going to be seeing contests full of huge wide angle photos now and it’s all my fault.
You’ve created a monster! 😯
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