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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 23 Jul 2011 (Saturday) 10:34
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Bad Lens?

 
JayAy
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Jul 23, 2011 10:34 |  #1

A cousin of mine just bought a 60D. She is complaining about the photo quality. She mentions washed out colors and blurriness on almost all of her photos. I believe she is shooting with a standard kit lens. Even though these lenses aren't known for their amazing quality, this seems exceptionally bad. This example picture she sent me was shot using f/4 ISO-100 @ 1/50. Does anybody know what may be causing this? I have noticed some heavy chromatic aberration.


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Mark2Mark
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Jul 23, 2011 11:18 |  #2

Is your cousin using a cheap UV filter on the lens?
The picture does look bad, kinda cloudy. She could improve the jpeg output from the camera by using the contrast and saturation adjustments, but I think there is something wrong with the lens.


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Strontium
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Jul 23, 2011 11:53 |  #3

I'm curious as to what focal length this was shot at. Aside from being overexposed, it's also quite possible that camera shake is becoming involved. At least that's what it looks like to my untrained eye.



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thestone11
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Jul 23, 2011 11:57 |  #4

Kit lens can do way better than that, check her settings. What mode is she shooting with? On a sunny day like that, 1/50 shutter speed is too slow, thus the picture looks over expose. Her lens got a filter on?


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rick_reno
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Jul 23, 2011 12:09 |  #5

if it's got a filter, get it off. mount it on a solid tripod, and remotely trip the shutter. that should help narrow down the problem(s). don't have a tripod, use a bag of rice or dry beans to steady the camera, and if you don't have a cable shutter trigger use the timer.




  
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paddler4
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Jul 23, 2011 12:09 |  #6

The problem does not appear to be the lens. This photo looks very poorly exposed, and it has cloudiness that appears to be like flare, that is, from having very bright light directly in front of the lens. A good bit of it appears to be out of focus--too little depth of field. Upgrading the lens ain't gonna do the trick. A photo that is badly focused, badly exposed, and badly backlit is going to look lousy even if you go out and buy L glass. Not to be harsh, but it looks from this one example like your cousin needs to spend a little more time learning. Lots of great resources here and elsewhere on the web.


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Strontium
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Jul 23, 2011 12:22 |  #7

paddler4 wrote in post #12809512 (external link)
The problem does not appear to be the lens. This photo looks very poorly exposed, and it has cloudiness that appears to be like flare, that is, from having very bright light directly in front of the lens. A good bit of it appears to be out of focus--too little depth of field. Upgrading the lens ain't gonna do the trick. A photo that is badly focused, badly exposed, and badly backlit is going to look lousy even if you go out and buy L glass. Not to be harsh, but it looks from this one example like your cousin needs to spend a little more time learning. Lots of great resources here and elsewhere on the web.

I initially thought the same thing about their dof. However, it's quite possible that they wanted to add emphasis on the bumper and collage given the subject matter. Shutter speed was definitely too slow.



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LeeRatters
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Jul 23, 2011 12:54 |  #8

could be UV filter or possibly camera shake at 1/50th.

just take a few photos at a decent shutter speedwith a clear subject/sign or something.


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Zigot
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Jul 23, 2011 14:37 |  #9

It looks like just bad setting on the camera.

Just start out with :
Put on Tv mode and put the speed to 1/125-1/160 if 55mm focal lens used ( remember to set speed higher than focal lens used - depend on what kit lens you have )
Set ISO to A ( auto )
What out for those back lighting sun.
Check if any filter/anything on filter ( finger print, smudge etc )
And test with some hots and see if any different.


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DC ­ Fan
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Jul 23, 2011 18:50 |  #10

JayAy wrote in post #12809162 (external link)
A cousin of mine just bought a 60D. She is complaining about the photo quality. She mentions washed out colors and blurriness on almost all of her photos. I believe she is shooting with a standard kit lens.

Car show pictures from a 60D and a Canon 18-55mm image stabilizer often sold with Canon DSLR's as a "kit lens."

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
Byte size: ZERO | Content warning: NOT AN IMAGE


Focal Length: 18.0mm
Aperture: f/5.6
Exposure Time: 0.013 s (1/80)
ISO equiv: 100
Exposure Bias: none
Metering Mode: Matrix
Exposure: program (Auto)
White Balance: Auto
Flash Fired: No (enforced)
Orientation: Normal
Color Space: sRGB

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
Byte size: ZERO | Content warning: NOT AN IMAGE


Focal Length: 18.0mm
Aperture: f/5.0
Exposure Time: 0.013 s (1/80)
ISO equiv: 100
Exposure Bias: none
Metering Mode: Matrix
Exposure: program (Auto)
White Balance: Auto
Flash Fired: No (enforced)
Orientation: Normal
Color Space: sRGB

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
Byte size: ZERO | Content warning: NOT AN IMAGE


Focal Length: 18.0mm
Aperture: f/8.0
Exposure Time: 0.0050 s (1/200)
ISO equiv: 100
Exposure Bias: none
Metering Mode: Matrix
Exposure: program (Auto)
White Balance: Auto
Flash Fired: No (enforced)
Orientation: Normal
Color Space: sRGB

JPEGs straight out of the camera, Program AE exposure, Live View framing. No problem with the combination of lens and camera. The lens has a UV filter, which caused no trouble.



  
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Strontium
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Jul 23, 2011 18:56 |  #11

DC Fan wrote in post #12810844 (external link)
Car show pictures from a 60D and a Canon 18-55mm image stabilizer often sold with Canon DSLR's as a "kit lens."

Quite recently, the 'kit' lens that comes with the 60D is the 18-135 EF-S.



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KhanhD
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Jul 23, 2011 20:49 |  #12

User error?


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LeifHurst
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Jul 23, 2011 22:11 |  #13

She might want to take some test shots on a tripod or sitting on a surface with a 2 second shutter delay to rule out the camera shake possibilities.


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phreeky
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Jul 24, 2011 01:13 |  #14

I'm betting on a salesperson convincing her to buy a cheap crappy UV filter (read: quality of $2 ones from ebay) and that's what is causing the problem.




  
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JayAy
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Jul 31, 2011 23:04 |  #15

Sorry about my hiatus - she has been shooting using full-auto, and the focal length was at 28mm. I can ask her if she has a cheap filter on the lens. At 28mm and 1/50 shutter speed, I would imagine the camera shake wouldn't be this noticeable. I will advise her to remove any filters she has on the lens - I don't know why I didn't think about that. Thanks for all of your input!


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