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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 04 Jun 2013 (Tuesday) 12:11
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70-200 F2.8, is it really that soft when wide open on a crop body?

 
Unrising ­ Muffin
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Jun 04, 2013 12:11 |  #1

I'm ready to move to the L world. First lens I'll replace is my telephoto. I went to a trade show last weekend and got my mind fixed on the 70-200 F4 IS: price is good, not too heavy, exceptional reviews, etc. Of course, 2 days later, I found a guy selling his 70-200 F2.8 IS Mark 1 for $1,400... Fair price, so I decided to check reviews and from what I've found, the first gen of this lens seems to be pretty soft wide open on a crop 1.6... so my question is, how bad is it really? I love the idea of 2.8 but if I'm not going to use it that open because images are worse than the 55-250 I have right now, I don't see the point of making this upgrade.

Suggestions? Experiences?




  
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gasrocks
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Jun 04, 2013 12:14 |  #2

http://www.photozone.d​e …-l-is-test-report--review (external link)

Who said it is soft wide open on a crop? Maybe try an EF 70-200/4 L IS lens first? Do you really need the weight and f/2.8?


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bseitz234
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Jun 04, 2013 12:54 as a reply to  @ gasrocks's post |  #3

I believe the 2.8 IS mk I is the softest of Canon's 70-200s, yes. Does that mean it's unusably soft? See for yourself- is the guy selling it local? See if you can try out that lens on your camera before committing to buy it. If not, consider also the 2.8 non-is: it's noticeably sharper, and depending on your use, you may not miss the IS that much...



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Unrising ­ Muffin
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Jun 04, 2013 15:07 |  #4

gasrocks wrote in post #15998865 (external link)
http://www.photozone.d​e …-l-is-test-report--review (external link)

Who said it is soft wide open on a crop? Maybe try an EF 70-200/4 L IS lens first? Do you really need the weight and f/2.8?

Actually, quite a few reviews do mention it is soft. One of them, dpreview, mentions the issue to be "Slightly soft wide open (most notably on APS-C)"
http://www.dpreview.co​m …n_70-200_2p8_is_usm_c16/6 (external link)

And no, I don't need the weight... quite a strong and valid point you have there :confused:

bseitz234 wrote in post #15999023 (external link)
I believe the 2.8 IS mk I is the softest of Canon's 70-200s, yes. Does that mean it's unusably soft? See for yourself- is the guy selling it local? See if you can try out that lens on your camera before committing to buy it. If not, consider also the 2.8 non-is: it's noticeably sharper, and depending on your use, you may not miss the IS that much...

IS mode is a must for me. Yes, seller is local, I'll see if he's willing to go for a walk to test the lens around.

Thanks guys!




  
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TheLensGuy
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Jun 04, 2013 18:25 |  #5
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You want sharp? Get a prime lens. Zoom lenses (even the 70-200 Mk2) will be softer than primes.




  
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mickeyb105
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Jun 05, 2013 07:15 |  #6

For ~$500 used the 200 2.8 (I or II) is razor sharp. Pair it with a monopod and get pro results.


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kenwood33
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Jun 05, 2013 08:07 |  #7

The dpreview shows the 'sharpness' of mk1 at various focal length and I think its worth checking out.


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RTPVid
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Jun 05, 2013 08:52 |  #8

70-200 F2.8, is it really that soft when wide open on a crop body?

It would be even softer on an FF body, wouldn't it, since lenses are generally softer toward the edges?


Tom

  
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postcardcv
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Jun 05, 2013 09:06 |  #9

I use mine on both crop and full frame bodies and have never had a problem with sharpness. I shoot it at f2.8 90% of the time and am very happy with it, I have never had a client complain about the images it turns out.


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sawsedge
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Jun 05, 2013 09:11 |  #10

My 70-200 f/2.8L IS (mark I), used on a 20D and 50D, was well within the range of professionally sharp wide open, quite capable of salable images. If it is in your price range and a range of lengths you need, don't hesitate, just buy one. If you don't need the speed, then save a little money and weight with the f/4L IS.


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richardhurst
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Jun 05, 2013 09:38 as a reply to  @ sawsedge's post |  #11

Never had an issue with mine.


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Mrjeans
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Jun 06, 2013 13:52 |  #12

Never had an issue with mine either. It always satisfies me :-)
Not as sharp as a prime though.

7D + 70-200mm = Some memorable shots!


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waterrockets
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Jun 06, 2013 15:10 |  #13

Works great for me too. It lived on my T2i for 2 years and provided many large prints for us and our friends.


1D MkIV | 1D MkIII | 550D w/grip & ML| EF 70-200mm f2.8L| EF 24-105mm f4L IS | Canon EF 100-400mm f/4.5-5.6L IS | Samyang 14mm f/2.8 IF ED UMC | 430EXii | EF 50mm f1.8

  
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paddler4
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Jun 06, 2013 16:50 |  #14

As Tom said, it probably be less soft on a crop.

I'm ready to move to the L world.

As someone who owns a few L lenses, I have to say that that I think this is a bad approach to upgrading. There is nothing magical about L glass. There is are a lot of superb lenses that are not Ls, some of which cost a great deal less. I think it makes much more sense, and will give you a lot more for your money, if you first start by deciding what type of lens you need to do what you want to do. Then look at reviews of lenses that are of that specific type. In some cases, you may find that an L lens is the best option. In other cases, you may find that something else is close enough, and you can save $$ to apply to other uses. E.g., for my uses, it was worth springing for the 70-200 f/4 IS L, but I opted for the Tamron 28-75 f/2.8 instead of the 24-70m L (MkI) because the Tamron was close enough for my uses and cost literally 1/3 as much. Again, for MY uses. The savings paid for a lot of other useful photographic equipment.


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waterrockets
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Jun 07, 2013 06:49 |  #15

paddler4 wrote in post #16006663 (external link)
As Tom said, it probably be less soft on a crop.

In theory, this makes some sense, but in practice, 1.3x and FF look sharper with the same framing and print/render size. At least in the center, to my eye, and especially comparing similar model-years.

In my experience, the IQ falloff at the edges when shooting at f/2.8 doesn't mean much b/c the in-focus subject rarely (never?) goes near the edges.


1D MkIV | 1D MkIII | 550D w/grip & ML| EF 70-200mm f2.8L| EF 24-105mm f4L IS | Canon EF 100-400mm f/4.5-5.6L IS | Samyang 14mm f/2.8 IF ED UMC | 430EXii | EF 50mm f1.8

  
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70-200 F2.8, is it really that soft when wide open on a crop body?
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