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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 26 Mar 2011 (Saturday) 17:15
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Just bought a 70-200mm Canon f4 IS and need your opinion

 
PhotoSpaz
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Mar 26, 2011 17:15 |  #1

Can you folks have a look and let me know if this is an acceptable level of sharpness for an L series lens?

http://i.imgur.com/aCQ​JW.jpg (external link)

I focused on the right eye. And hand held the shot in fairly low light. It was shot at 1/30th at 200mm f4

To me the results are better than my 75-300mm, and only slightly better than my canon 50mm 1.8

What do you think? Soft copy? Sharp copy?




  
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dave ­ kadolph
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Mar 26, 2011 17:25 |  #2

At that focal length even with 4 stop IS you still need 1/40 MINIMUM.

Looks fine to me--It's a really good lens, not a magic wand.

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shaftmaster
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Mar 26, 2011 17:28 |  #3

Looks ok to me, but if you are worried about it I suggest you do a proper test where the shutter speed isn't at the limit for hand-holding a 200mm lens even with IS. IS works pretty well, but at 1/30th you also introduce the possibility that you subject could move slightly which IS won't help. Try the test again on stationary objects (not pets, people, trees, or anything that can move). Also try using a tripod and a remote shutter release or the self-timer. Pick a subject with good light/dark contrast like printed text.


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chrisandaivi
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Mar 26, 2011 17:38 |  #4

If you are not Happy with the sharpness of your lens, you can just give the lens to me. :)


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Japers
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Mar 26, 2011 17:50 |  #5

I agree with shaftmaster - If you're not satisfied, run a motion-proof test. That said: It looks perfectly fine to me. :)


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PhotoSpaz
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Mar 26, 2011 17:52 |  #6

First big lens purchase. Sorry. I'm probably just being paranoid.

Anyway, I did as shaftmaster suggested, and shot some text on a tripod at 200mm. No sharpening applied in camera or in lightroom.

http://i.imgur.com/cKJ​BQ.jpg (external link)

Look like standard L quality to you?




  
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Bokehlicious
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Mar 26, 2011 18:02 as a reply to  @ PhotoSpaz's post |  #7

Looks fine to me.




  
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edge100
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Mar 26, 2011 18:09 |  #8

Looks GREAT for 1/30 @ 200mm, even with 4-stop IS.


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GooseberryVisuals
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Mar 26, 2011 18:42 |  #9

edge100 wrote in post #12098598 (external link)
Looks GREAT for 1/30 @ 200mm, even with 4-stop IS.

+1

It's as good as you're going to get given your settings




  
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xclusix
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Mar 26, 2011 19:28 |  #10

Have you a MA capable body?




  
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PhotoSpaz
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Mar 26, 2011 19:51 |  #11

xclusix wrote in post #12098975 (external link)
Have you a MA capable body?

Nope. 60d.

Something wrong?




  
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caiguar
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Mar 26, 2011 20:47 |  #12

"1/30th at 200mm f4" given those.....that is extremely good. you say slightly better than the 50 1.8 but try going that low on a nifty and see what you get, not to mention try those same conditions on the 75-300


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DL ­ Photo
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Mar 26, 2011 20:48 |  #13

60D won't MA. Don't worry though....MA usually works best with primes anyway...can be tricky with zooms as it can sometimes MA well for the 70mm and mess up the 200mm FL.

I think your pic looks fine based on the shutter speed that you had. I have the same lens....don't expect it to do miracles in low light though. Under good lighting conditions, this lens is superb. Take it outdoors and you'll see what I mean.

Enjoy!


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xclusix
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Mar 26, 2011 20:55 |  #14

PhotoSpaz wrote in post #12099099 (external link)
Nope. 60d.

Something wrong?

Of course not ;) but i always perform MA on any lens that falls on my hands, just to be sure, but i think you are worrying too much, the lens seems very sharp.




  
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plasticmotif
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Mar 26, 2011 21:03 |  #15

MA isn't very accurate for zooms. People second guess their gear too much because of these forums.

If the pictures look good, then you're fine.


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Just bought a 70-200mm Canon f4 IS and need your opinion
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