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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 29 Dec 2011 (Thursday) 19:33
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Yes my 17-55 is Sharper than my 35L...argh

 
chugger93
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Dec 29, 2011 19:33 |  #1

Both at 35mm, same shutter, iso and shutter on tripod. One wide open, the other at 2.8. I did this for grins and giggles because I knew my 35 wasn't performing as it should be. :oops:


MA'ing doesnt seem to be helping... would all agree with the pics?


17-55

IMAGE: http://www.thecentralword.com/misc/7D/35L/MA/1755_car.JPG


CROP
IMAGE: http://www.thecentralword.com/misc/7D/35L/MA/1755_carcrop.JPG


ORIGINAL POST EDIT WITH THIS
35L 2.8
IMAGE: http://www.thecentralword.com/misc/7D/35L/MA/35L28_car.JPG


CROP
IMAGE: http://www.thecentralword.com/misc/7D/35L/MA/35L28_carcrop.JPG


35L 1.4
IMAGE: http://www.thecentralword.com/misc/7D/35L/MA/35L_car.JPG


CROP
IMAGE: http://www.thecentralword.com/misc/7D/35L/MA/35L_carcrop.JPG

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chumlee
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Dec 29, 2011 19:35 |  #2

You should take one with the 85/1.8 just to show everyone how sharp the image could actually be. :D


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chugger93
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Dec 29, 2011 19:37 |  #3

chumlee wrote in post #13617662 (external link)
You should take one with the 85/1.8 just to show everyone how sharp the image could actually be. :D

Probably would blow them all out the water. Actually I probably should have shotten the 35L at 2.8 for comparison.


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LightRules
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Dec 29, 2011 19:38 as a reply to  @ chugger93's post |  #4

You should upgrade to the Sigma 30 F1.4 EX :D




  
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ben805
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Dec 29, 2011 19:39 |  #5

not sharp enough? you are joking right? :)


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Randi
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Dec 29, 2011 19:40 |  #6

chugger93 wrote in post #13617654 (external link)
Both at 35mm, same shutter, iso and shutter on tripod. One wide open, the other at 2.8. I did this for grins and giggles because I knew my 35 wasn't performing as it should be. I'm quite sick of this prime at this point :oops:

Shouldn't you try them both at 2.8? Was the focus placed on the lettering?


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The ­ Fox
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Dec 29, 2011 19:41 |  #7

Not really that much of a difference. Just increase the sharping in ACR or photoshop to 40 instead of 25.

Nick


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chugger93
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Dec 29, 2011 19:42 |  #8

Post updated with 2.8.....seems ok.... or just as good I guess.

Yes focus on lettering


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chugger93
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Dec 29, 2011 19:44 |  #9

I think shooting wide open is too risky. Focus is so hard to achieve at anything below 1.8. IMO anyways....


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Charlie
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Dec 29, 2011 20:03 |  #10

might be a focusing issue. have you checked for front/back focusing?


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kin2son
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Dec 29, 2011 20:17 |  #11
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It's plenty sharp at f1.4 as is imo. Can't expect razor sharpness wide open.


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lancebroad
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Dec 29, 2011 20:36 |  #12

Kind of pointless the test with different settings, anything can be sharp stopped down.


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absplastic
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Dec 29, 2011 20:56 |  #13

I wouldn't expect the 35 to do noticeably better than the 17-55 when both are at 35mm and f/2.8. If you look at photozone's APS-C analysis of both of these lenses at 35mm and f/2.8, you'll see they show the 17-55 having better MTF50 both in the center and edge of the frame. It's just that good. I compared my 17-55 at 55mm f/2.8 to my 60mm f/2.8 macro, and while the macro was the clear winner, the 17-55 still surprised me with how sharp it was wide open.

It's something of a misconception that when you pay more for the L glass that you're necessarily getting the sharpest lens. It's not true for the 50/1.2 either. What you're paying the big bucks for is super fast big lens elements in a tanky package, not super sharpness. Case in point, the 60mm macro is easily the sharpest lens in my kit, and it's the cheapest (it was $390 and it's in a bag with 3 other lenses in the $1000-$1500 range, two of which are L's).


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Yes my 17-55 is Sharper than my 35L...argh
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