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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 20 Aug 2008 (Wednesday) 11:42
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Need help finding the sharpest lens I can afford.

 
D0T-C0M
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Aug 21, 2008 14:14 as a reply to  @ post 6152643 |  #46

here are the 2 of the 50mm lens


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D0T-C0M
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Aug 21, 2008 14:16 as a reply to  @ D0T-C0M's post |  #47

And here are the 18mm-55mm lens pics


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xarqi
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Aug 21, 2008 17:01 as a reply to  @ D0T-C0M's post |  #48

D0T-C0M wrote in post #6151316 (external link)
Thanks guys for all the comments but the lens I have is not the IS model.

m-bartelt wrote in post #6151877 (external link)
The non IS version of the 18-55 lens is definitely regarded as sub-par. The IS version has much better optics.

Get the 18-55 IS. Problem solved.




  
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imchillindave
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Aug 21, 2008 17:19 |  #49

I personally will buy nothing other than Canon's "L" series lenses. The reason being is I bought a Tamron (24-105mm I think) f2.8 and it was really soft at wider apertures, especially 2.8. I came to learn this is rather common with Non-Canon brand lenses due to the quality of the glass being less. Now grant it, I've heard plenty of people using the other brand lenses and being very satisfied with them, but I had a bad case and won't ever buy another. I never have regretted buying a "L" series lens. They have always been really sharp, very good at cutting chromatic Aberration, and focus really well in low light. So I'm one of the ones sold on Canon "L" series lenses for this reason.

With that said, canon does have two lenses just a bit more than your budget that are "L" series lenses, but are both f/4 lenses. If shooting in low light isn't a high priority, I would recommend considering these.

Canon 17-40mm f/4L (external link)
and
Canon 70-200mm f/4L (external link)
You may find them used for a bit cheaper, but I've personally known people owning these and love them. Hope that helps.


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Canon 24 1.4L | Canon 35 1.4L | Canon 70-200 2.8L | Canon 50mm 1.2L | Canon 15 2.8 | Speedlite 580EXII
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Rankinia
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Aug 22, 2008 04:13 |  #50

Whilst not wide the 50mm 2.5 will out perform most lenses I have seen. Its also well under your goal.

Ridiculously sharp.
Adam


1ds, 30d, 17-40/4 180/3.5, mt-24, 580ex2
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elysium
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Aug 22, 2008 04:22 |  #51

yogestee wrote in post #6149010 (external link)
Brilliant lens especially for portraiture but not quite wide enough on a crop body..

Agreed. I would have to go for the Tamron 17-50 2.8 as you mentioned before.


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yogestee
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Aug 22, 2008 11:33 |  #52

imchillindave wrote in post #6153783 (external link)
I personally will buy nothing other than Canon's "L" series lenses. The reason being is I bought a Tamron (24-105mm I think) f2.8 and it was really soft at wider apertures, especially 2.8. I came to learn this is rather common with Non-Canon brand lenses due to the quality of the glass being less. Now grant it, I've heard plenty of people using the other brand lenses and being very satisfied with them, but I had a bad case and won't ever buy another. I never have regretted buying a "L" series lens. They have always been really sharp, very good at cutting chromatic Aberration, and focus really well in low light. So I'm one of the ones sold on Canon "L" series lenses for this reason.

With that said, canon does have two lenses just a bit more than your budget that are "L" series lenses, but are both f/4 lenses. If shooting in low light isn't a high priority, I would recommend considering these.

Canon 17-40mm f/4L (external link)
and
Canon 70-200mm f/4L (external link)
You may find them used for a bit cheaper, but I've personally known people owning these and love them. Hope that helps.

The OP is on a tight budget and looking for a lens under $500..


Jurgen
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jfarsang
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Aug 22, 2008 12:58 |  #53

imchillindave wrote in post #6153783 (external link)
I personally will buy nothing other than Canon's "L" series lenses.

imchillindave wrote in post #6153783 (external link)
I came to learn this is rather common with Non-Canon brand lenses due to the quality of the glass being less.

imchillindave wrote in post #6153783 (external link)
but I had a bad case and won't ever buy another.

No offense intended, but that's somewhat shortsighted IMO because you're basing your choice on one bad apple.

With that said, if you bought your first L lens and it turned out to be a bad apple, you wouldn't buy another by the same reasoning ?

DOT COM. I have both the 18-55 non-IS and 18-55 IS. There is a very noticeable difference in sharpness between the two lenses (ie. 18-55 IS being the sharper out of the two).

Another option for you may be to invest in some post processing software to increase the sharpness if you decide to keep the 18-55 kit lens.


40D | 70-200L | 18-55 IS | insert lens here | a steady hand | n' other stuff

  
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shutterfiend
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Aug 22, 2008 13:21 |  #54

Unsharp mask is by far the sharpest lens I've ever used.


https://photography-on-the.net …p=7812587&postc​ount=91776

  
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D0T-C0M
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Aug 22, 2008 13:46 |  #55

Thanks a lot for everyones responses. This forum is filled with so many helpful knowledgeable people. I have the 50mm 1.8 lens which I now have learnt to take better pictures with thanks to the depth of field calculator posted on page 1 of this post. I knew what depth of field was in theory but now I can see mathematically how it changes per f-stop at different distances. I thought the f-stops affected the acceptable focal length more than it actually does. Very helpful.

jfarsang wrote in post #6157136 (external link)
DOT COM. I have both the 18-55 non-IS and 18-55 IS. There is a very noticeable difference in sharpness between the two lenses (ie. 18-55 IS being the sharper out of the two).

Another option for you may be to invest in some post processing software to increase the sharpness if you decide to keep the 18-55 kit lens.

Thats great to know that there is a noticeable difference in the IS model. As long as it is as sharp or better than the 50mm 1.8 lens pics above I would be happy. I think I can return the non-IS lens I bought and trade it in for an IS model. That would satisfy my present needs and budget. I like the range the 18mm-55mm has and suits me well for what I intend to use it for.




  
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xarqi
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Aug 22, 2008 19:58 |  #56

D0T-C0M wrote in post #6157440 (external link)
Thanks a lot for everyones responses. This forum is filled with so many helpful knowledgeable people. I have the 50mm 1.8 lens which I now have learnt to take better pictures with thanks to the depth of field calculator posted on page 1 of this post. I knew what depth of field was in theory but now I can see mathematically how it changes per f-stop at different distances. I thought the f-stops affected the acceptable focal length more than it actually does. Very helpful.

Experiment with the DoF preview button on your camera. While you push it, the lens iris closes down to its selected setting, and you can actually see through the viewfinder the effect changing the aperture has on depth of field.

Thats great to know that there is a noticeable difference in the IS model. As long as it is as sharp or better than the 50mm 1.8 lens pics above I would be happy. I think I can return the non-IS lens I bought and trade it in for an IS model. That would satisfy my present needs and budget. I like the range the 18mm-55mm has and suits me well for what I intend to use it for.

Well, you might be disappointed. The 50/1.8 (stopped down a little) is very sharp by any standards, and it is inherently easier to make a sharper prime than zoom lens.

If I haven't said it in this post above, the difference between the IS and non-IS is like night and day in my experience. I found the non-IS to be virtually useless due to soft images and chromatic aberration, but the IS is a joy to use. When I get nasty images now, I know its my fault!




  
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