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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 26 Dec 2013 (Thursday) 20:28
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Which zoom has the best sharpness at 35mm?

 
kipliq
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Dec 27, 2013 10:58 as a reply to  @ post 16557293 |  #16

Sticking to your current list, go with the 24-70 F/2.8 L ,it has been the main lens for most until the new version. It's was a great lens then the new version comes out now some think of it as a okay lens lol. Most of my lenses are 2.8 as F4 to me is limited.


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Snydremark
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Dec 27, 2013 11:00 |  #17

Since it looks like you're shooting a T4i, does it HAVE to be an 'L' lens? If not, I'd submit the Sigma 18-35 f/1.8 as an option to look into. The thing is ridiculously sharp and being able to go to 1.8 on the crop (same, effective light gathering as the f/2.8 zooms on FF) is REALLY nice.


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chongkiat
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Dec 27, 2013 11:10 |  #18

How can a user unsatisfy with the efs 1755mm? I doubt u didnt satisfy with the build quality more than the optic?

U just like asking "should I back to 24-105mm because I could not happy with the sharpness of 24-70 f2.8"

That crazy @@"


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Darhawk
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Dec 27, 2013 12:54 |  #19

lehmanncpa wrote in post #16556505 (external link)
I'm curious to know why you disliked the EFS 17-55? I've never owned one, but I know it's a favorite of many photogs on the forum that shoot with crop bodies. I feel that for portraits, you may need the f/2.8 to create a shallow DoF and isolate your subjects from the background more. I guess if only shooting indoors and at 35mm, you'd need to be fairly close to your subject and you can't go that shallow DoF or you risk parts of their face being out of focus.

Either way, you can't go wrong with a 17-40. It's a great lens.

I had two major problems with my EFS17-55 so I sent them back. One was for heavy CA along with super soft imaes and the other had problems with the mechanics. Build quality wasn't an issue for me. I like how it felt in my hands. I really wanted to fall in love with it.

Xyclopx wrote in post #16556527 (external link)
Objective tests I've seen put the 24-70 f4 somewhere in the middle of the 24-70 2.8 v1 and the v2. Haven't seen stats on the 17-40 but I seriously doubt it's as sharp as the 24-70 f4. Anyway it's easy enough to google the lensrentals measurements or the digital picture test shots.

Well here's the lensrentals comparison:

http://www.lensrentals​.com …70-f4-is-resolution-tests (external link)

FYI you just missed the craziest prices in history for that lens. Lowest was $690 after rebate!

Yeah I know it dropped to awesome lows, but I couldn't get myself to hit the Cart button.

Mornnb wrote in post #16556774 (external link)
My first guess would be the Canon EF 24-70mm f/4, but lets see what the numbers say.
According to photozone, centre sharpness figures at f/5.6 and 40mm (they don't have 35mm)

17-40mm
3327

24-70mm f2.8
3514

24-105mm
3381

24-70mm f4
3587


They all appear to be within 10% of each other, so you probably won't notice a huge a difference in real world conditions. In other words all these lenses are sharp.

Also note the 24-70mm 2.8 Mark II comes in at 3709, the Sigma 35mm comes in at 3674.

Nice information, thanks for that. I have a terrible time reading those MTF charts.


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Darhawk
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Dec 27, 2013 13:05 |  #20

Snydremark wrote in post #16557310 (external link)
Since it looks like you're shooting a T4i, does it HAVE to be an 'L' lens? If not, I'd submit the Sigma 18-35 f/1.8 as an option to look into. The thing is ridiculously sharp and being able to go to 1.8 on the crop (same, effective light gathering as the f/2.8 zooms on FF) is REALLY nice.

I like the look that L give. The colors, contrast..etc. I have had other L's in the past and I just like them, it's my preference.
I only have a T4i for the time being. I traded in my 50D for it as I thought it would be a better option at the time. I never liked my 50D( my 30D was nicer )..but that is another story. I do like the T4i but I am spending more money on better optics before I upgrade. So hopefully early summer I can trade the T4i in and get a better, faster body.

chongkiat wrote in post #16557329 (external link)
How can a user unsatisfy with the efs 1755mm? I doubt u didnt satisfy with the build quality more than the optic?

U just like asking "should I back to 24-105mm because I could not happy with the sharpness of 24-70 f2.8"

That crazy @@"

I actually had major problems with my 2 copies of the 17-55 and outside build quality was not the issue. One was the Optics and the other was the mechanics on the inside. But I am not here to debate why I liked something or not. I have good reasons and I'll just leave it at that.
I am not saying it is a bad lens, and you shouldn't buy it. If you like it then great! Each lens affect people differently.


Canon 80D | EF-S 10-18 STM | EF-S 24 2.8 | SPACE FOR RENT | 40 2.8 pancake | 70-200 F4L IS | 580 EX | G3541LS + A few "relatively" cool Einstein 640 Strobes.

  
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Mornnb
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Dec 27, 2013 15:43 |  #21

l89kip wrote in post #16557293 (external link)
Photozone also showed Canon 35L comes in at 3689 at F5.6.

Yep. The real advantage of the Sigma 35 is wide open at f/1.4. Stopped down the 35L is slightly sharper.


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lehmanncpa
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Dec 27, 2013 15:44 |  #22

kjonnnn wrote in post #16557770 (external link)
I'm curious about why 35mm? Why that particular focal length?

This is just a guess, but I'm thinking because 35mm x 1.6 crop sensor factor = 56mm full-frame equivalent focal length. 56mm gives you a very nice "normal" and natural portrait look. Great for family portraits or 3/4 shots when you don't need to crop so tightly. Also great for newborns and kids in general.


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Darhawk
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Dec 27, 2013 15:45 |  #23

kjonnnn wrote in post #16557770 (external link)
I'm curious about why 35mm? Why that particular focal length?

Because I believe, that is about the max wide you can go without getting weird or special distortion territory for portraits. And my indoor working sometimes gets cramped. I can and do use a 50mm & 85mm based on different clients. So adding a 35mm to the mix would be very helpfull. Since I wouldn't be to close or far away. I went to a camera store and fooled around with some lenses and while playing and doing some test, the 35mm mark just felt right. So I then wanted to know what zoom would be best....hence the thread.


NOTE:

I think the 17-40l is going to be the most helpful; since I do have a 25 person group session I have to get done in spring. It's going to be outdoors.


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DreDaze
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Dec 27, 2013 18:32 |  #24

Darhawk wrote in post #16557910 (external link)
I think the 17-40l is going to be the most helpful; since I do have a 25 person group session I have to get done in spring. It's going to be outdoors.

if you can deal with that short of range go with the sigma 18-35mm f1.8 if you can find one...it's a bit sharper than the 17-40L at 35mm f4

http://www.the-digital-picture.com …omp=0&FLIComp=4​&APIComp=0 (external link)


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Darhawk
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Dec 27, 2013 21:27 |  #25

ejenner wrote in post #16556496 (external link)
I have the first two. I know the 17-40 is better at 24, but I'm not 100% sure about 35mm. I think it will be a bit better, but there may not be a whole lot in it.

What about the 40mm pancake? only 5mm longer. For that price you could probably swing a zoom as well that best fits the zoom range you like rather than the sharpness at 35mm.

Actuallly that isn't a bad idea. I went through some images today and looked at them in Exposure Plot and when using a borrowed 18-55 lens I was shooting in the 40's mostly. So I might just look at that one since it's on sale for a bargain.


Canon 80D | EF-S 10-18 STM | EF-S 24 2.8 | SPACE FOR RENT | 40 2.8 pancake | 70-200 F4L IS | 580 EX | G3541LS + A few "relatively" cool Einstein 640 Strobes.

  
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Which zoom has the best sharpness at 35mm?
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