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Canon 10-22 test shots on 550D - advice needed please

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kobeson

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Hi,

I finally ordered a 10-22 and took some quick sample shots to ensure it is ok, before my wife puts it away for Christmas for me.

I took some sample shots on my 550D, and am after some advice on how to best test the lens has no out of the box faults.

Here are the 8 shots I took, all full size (10mm f3.5, f8, f16, f22 & 22mm f4.5, f8, f16, f22):

































--
Cheers,
Daniel

Canon EOS 550D (gripped) | Canon 18-55 f3.5/5.6 | Canon 55-250 f4-5.6 | Canon 50mm f1.8 II | Raynox DCR-250
 
Just enjoy your lens, why are you fishing for faults and something to worry about?
 
akin_t said:
Just enjoy your lens, why are you fishing for faults and something to worry about?
Click to expand...
I have to agree. You dont buy a new care of the lot and take it home and look for whats broken...

Same goes for here. Use the lens....If its broke you will know.

Oh and there may be a problem....IF your horizon line was a shelf everything would be on the floor :) :)
 
Ok that doesn't help me at all.

The lens can be sent back within 14 days if it is faulty, but it is a Christmas present. After reading up so much about lenses being soft on one side, I wanna make sure mine is fine.

To me it looks soft on the left side, but I am new to this kind of thing.

If that's how the lens should be then fine, but I want to find any decentering issues within 14 days. I am not looking for perfection, I just don't want a lemon.

--
Cheers,
Daniel

Canon EOS 550D (gripped) | Canon 18-55 f3.5/5.6 | Canon 55-250 f4-5.6 | Canon 50mm f1.8 II | Raynox DCR-250
 
You may need to change some setting to your gallery so that we can view full size images. At the posted size (the largest dpreview lets us view) it's hard to fault the lens.

--
Slowly learning to use the 450D, the Canon G6 and the Fuji F200.
Public pictures at http://debra.zenfolio.com/ .
 
Any idea how to make them viewable at full size?

I can post the full dize links if not?

Can you click on them here and click original size? If somebody has the patience, and the bandwidth lol, I would greatly appreciate it :-)

10


--
Cheers,
Daniel

Canon EOS 550D (gripped) | Canon 18-55 f3.5/5.6 | Canon 55-250 f4-5.6 | Canon 50mm f1.8 II | Raynox DCR-250
 
Yeah that post above works, u can click original there.

--
Cheers,
Daniel

Canon EOS 550D (gripped) | Canon 18-55 f3.5/5.6 | Canon 55-250 f4-5.6 | Canon 50mm f1.8 II | Raynox DCR-250
 
A good way to tell is not to look at sharpness but at CA. CA should be pretty symmetrical but on the left the CA appears stronger than on the right. In any case the CA is so wide that it makes it impossible to still judge sharpness well.

With this lens you should always correct the CA first and then check sharpness. I do believe there is a bit of a problem, but not much.

--
Slowly learning to use the 450D, the Canon G6 and the Fuji F200.
Public pictures at http://debra.zenfolio.com/ .
 
Okay, so you've said the lens looks soft on the left side ... Why not return it for another one?

When that one comes, rinse, lather, and repeat.

Sorry I'm just tired of these threads. I cannot politely say how pointless your test shots are. You're just taking shots of the same scene at different apertures. What exactly is that supposed to be testing? That the aperture mechanism is working? Lol
kobeson said:
Ok that doesn't help me at all.

The lens can be sent back within 14 days if it is faulty, but it is a Christmas present. After reading up so much about lenses being soft on one side, I wanna make sure mine is fine.

To me it looks soft on the left side, but I am new to this kind of thing.

If that's how the lens should be then fine, but I want to find any decentering issues within 14 days. I am not looking for perfection, I just don't want a lemon.

--
Cheers,
Daniel

Canon EOS 550D (gripped) | Canon 18-55 f3.5/5.6 | Canon 55-250 f4-5.6 | Canon 50mm f1.8 II | Raynox DCR-250
Click to expand...
 
The only problem I can see from the pics you posted is your neighbor needs to cut his lawn.

In terms of testing a lens, while not perfect, the proverbial "brick wall test" (which everyone hates on these forums) is probably a better choice than the "street corner test." What you want is a relatively flat, uniform surface with good detail so you can more easily compare edges within an image.

That being said, I'm not aware that the Canon 10-22 is known for softness/ decentering issues. I've owned two different copies and used a third and all were great (they were sold for reasons other than sharpness). In fact, I'm looking to buy another one soon. Really a great lens IMO.
--
View my photo galleries here: http://imageevent.com/24peter
 
24Peter said:
That being said, I'm not aware that the Canon 10-22 is known for softness/ decentering issues. I've owned two different copies and used a third and all were great (they were sold for reasons other than sharpness). In fact, I'm looking to buy another one soon. Really a great lens IMO.
Click to expand...
maybe he's thinking of the sigma 10-20 f/4-5.6? that lens is known to have a decentering issue. by "known" that means it occasionally happens, i wouldn't say a majority of them have that issue.

i owned a sigma 10-20 f/4-5.6 and it was a tad soft for my taste. i sold it and got the canon. instantly loved it.

but i agree with the "fault" thing. if you are new at this and if you don't know what you are looking for, then why are you looking? i don't know a thing about home appliances, so when i buy a new refrigerator i don't go inspecting the compressor to make sure it doesn't have any problems.

furthermore, with your limited knowledge you are more likely to confuse user error for "a bad lens".
 
1st - to test - should be on tripod , table, hood of car . Hand held can induce camera shake / OOF shots .
Next , get it level . The telephone pole is bent because the lens is not level .

Looks OK to me , but there is a small learning curve on all most every lens . If you are worried about it , call , get a RMA ship by regular mail . By the time They ship back it will probably be close to or after Xmas .
--
1st - it's a hobby

XTI - gripped , Canon - efs 10-22 , efs 17-55 , efs 18-55 IS , 28-90 , 28 @ 2.8 , 50 @1.8 , 28-135 IS , 35-350L ,Quantaray lens 70-300 macro , life size converter , KSM filters for all , kenko auto tubes
 
Congratulations! At the maximum size posted your shots look great, I don’t think the left side has a problem. The 10-22mm is an awesome lens but requires special techniques to use it. Your style of photography will change to where you need more close-up elements to complement distance and lead the viewer into the image. In other words, while thinking about foreground, middle and background always be thinking of a strong foreground. Also, you will find that the corners are sometimes soft more at the wide end and open, this is because of filed curvature that you can work around and mostly eliminate the problem. It will take you some time to get used to this lens but when you do it is capably of truly amazing shots you can’t normally get with a more traditional focal length. So, put the lens away, treat your wife really nicely for getting you such a great present, and have a fun time on Christmas day!
 
Peter Rowe said:
Congratulations! At the maximum size posted your shots look great, I don’t think the left side has a problem. The 10-22mm is an awesome lens but requires special techniques to use it. Your style of photography will change to where you need more close-up elements to complement distance and lead the viewer into the image. In other words, while thinking about foreground, middle and background always be thinking of a strong foreground. Also, you will find that the corners are sometimes soft more at the wide end and open, this is because of filed curvature that you can work around and mostly eliminate the problem. It will take you some time to get used to this lens but when you do it is capably of truly amazing shots you can’t normally get with a more traditional focal length. So, put the lens away, treat your wife really nicely for getting you such a great present, and have a fun time on Christmas day!
Click to expand...
Yes, I agree it is a pretty good lens. For such a wide angle (16 - 35mm equivalent on a FF sensor) the lens has very little in terms of distortions, even at 10mm. You need to keep the lens on a level with the horizon to avoid distortion. Good build quality, no IS but not really needed in this range of focal lengths. Balances well on my Canon 50D and 400D with battery grip.

Regards

Andrew
 
Yes, this was straight from camera RAW, but with no adjustments beyond the default photoshop adjustments. I wanted to see how it performed without any PP.
HubertFranz said:
I think the lens is fine.
But maybe you better shoot RAW and do some postprocessing (sharpening, CA ,...)

Greetings,
Hubert
Click to expand...
--
Cheers,
Daniel

Canon EOS 550D (gripped) | Canon 18-55 f3.5/5.6 | Canon 55-250 f4-5.6 | Canon 50mm f1.8 II | Raynox DCR-250
 
Yes, I too noticed more CA on the left side - and also more softness. I should choose a better test subject, such as a wall (as suggested). I just wanted to take some quick test shots to ensure it doesn't need returning within the aforementioned period.
Paul De Bra said:
A good way to tell is not to look at sharpness but at CA. CA should be pretty symmetrical but on the left the CA appears stronger than on the right. In any case the CA is so wide that it makes it impossible to still judge sharpness well.

With this lens you should always correct the CA first and then check sharpness. I do believe there is a bit of a problem, but not much.

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

Canon EOS 550D (gripped) | Canon 18-55 f3.5/5.6 | Canon 55-250 f4-5.6 | Canon 50mm f1.8 II | Raynox DCR-250
 
I apologise for making you look at my thread - twice now. Are you ok? I wish I could hug you, but again all I can do is apologise.
akin_t said:
Okay, so you've said the lens looks soft on the left side ... Why not return it for another one?

When that one comes, rinse, lather, and repeat.

Sorry I'm just tired of these threads. I cannot politely say how pointless your test shots are. You're just taking shots of the same scene at different apertures. What exactly is that supposed to be testing? That the aperture mechanism is working? Lol
kobeson said:
Ok that doesn't help me at all.

The lens can be sent back within 14 days if it is faulty, but it is a Christmas present. After reading up so much about lenses being soft on one side, I wanna make sure mine is fine.

To me it looks soft on the left side, but I am new to this kind of thing.

If that's how the lens should be then fine, but I want to find any decentering issues within 14 days. I am not looking for perfection, I just don't want a lemon.

--
Cheers,
Daniel

Canon EOS 550D (gripped) | Canon 18-55 f3.5/5.6 | Canon 55-250 f4-5.6 | Canon 50mm f1.8 II | Raynox DCR-250
Click to expand...
Click to expand...
--
Cheers,
Daniel

Canon EOS 550D (gripped) | Canon 18-55 f3.5/5.6 | Canon 55-250 f4-5.6 | Canon 50mm f1.8 II | Raynox DCR-250
 
Haha yes, that lawn is a bit unsightly lol

I had thought about the brick wall test. I have read plenty of lens reviews, and seen plenty of brick wall shots. I tried to think of a local wall but couldn't, and wanted to snap and then put it away again, knowing it didn't need to be sent back.

The problem I have is, I bought the lens 'grey' imported from Singapore, and it can be returned within 7 or 14 days from receipt if it is faulty. If not, I would have to go through the store's warranty (not Canon as it is grey) and I really want to avoid having a warranty claim, would rather get it sorted straight away if indeed there are any problems with it out of the box.

Good to hear your thoughts on the lens itself. I have done a lot of internet research on the lens, and I have come across a few people saying it had problems out of the box. Truly, it isn't many people. But this is the most expensive lens I will probably ever buy, so I want to make sure it is 100% when I bought it.
24Peter said:
The only problem I can see from the pics you posted is your neighbor needs to cut his lawn.

In terms of testing a lens, while not perfect, the proverbial "brick wall test" (which everyone hates on these forums) is probably a better choice than the "street corner test." What you want is a relatively flat, uniform surface with good detail so you can more easily compare edges within an image.

That being said, I'm not aware that the Canon 10-22 is known for softness/ decentering issues. I've owned two different copies and used a third and all were great (they were sold for reasons other than sharpness). In fact, I'm looking to buy another one soon. Really a great lens IMO.
--
View my photo galleries here: http://imageevent.com/24peter
Click to expand...
--
Cheers,
Daniel

Canon EOS 550D (gripped) | Canon 18-55 f3.5/5.6 | Canon 55-250 f4-5.6 | Canon 50mm f1.8 II | Raynox DCR-250
 
Yes, I am aware the Sigma has common issues with decentering and softness, but as I said I have done a lot of research on UWA lenses and have come across the odd complaint about the 10-22 also.

As mentioned, I have done heaps of research, so it is not what I am looking for that I am unaware of, it is buying expensive (relatively) lenses and having issues with them that need to be found and reported within 7-14 days that I am new to.

And I am also 100% aware of the strengths and weaknesses of the 10-22, so as I have mentioned I am looking for a lemon not a less than perfect lens. I'm fully aware of the CA, corner sharpness at wide apertures etc.
SNGX1327 said:
24Peter said:
That being said, I'm not aware that the Canon 10-22 is known for softness/ decentering issues. I've owned two different copies and used a third and all were great (they were sold for reasons other than sharpness). In fact, I'm looking to buy another one soon. Really a great lens IMO.
Click to expand...
maybe he's thinking of the sigma 10-20 f/4-5.6? that lens is known to have a decentering issue. by "known" that means it occasionally happens, i wouldn't say a majority of them have that issue.

i owned a sigma 10-20 f/4-5.6 and it was a tad soft for my taste. i sold it and got the canon. instantly loved it.

but i agree with the "fault" thing. if you are new at this and if you don't know what you are looking for, then why are you looking? i don't know a thing about home appliances, so when i buy a new refrigerator i don't go inspecting the compressor to make sure it doesn't have any problems.

furthermore, with your limited knowledge you are more likely to confuse user error for "a bad lens".
Click to expand...
--
Cheers,
Daniel

Canon EOS 550D (gripped) | Canon 18-55 f3.5/5.6 | Canon 55-250 f4-5.6 | Canon 50mm f1.8 II | Raynox DCR-250
 
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