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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 12 May 2014 (Monday) 21:21
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Is this the quality of 100-400mm L lens?

 
AmilaDG
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May 12, 2014 21:21 |  #1

Hi guys, I have a doubt about my recently bought Canon EF 100-400mm f4.5-5.6L lens. Here is one of shot I recently got (external link), the subject (the bird) was within 10m. but still for my eyes it's not clear. Please give me suggestions, do I want to calibrate this lens or the problem with my photography:D?

FYI: shot taken by 7D, f5.6, ISO 400, 400mm, Spot


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Canon 1Dx, 100mm 2.8L macro, 17-40mm 4L, 24-105mm 4L, 70-200mm 2.8L IS II, 1.4x III, 2x III, 600ex-rt, 580ex II, Bowens 500/500

  
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Josh13
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May 12, 2014 21:42 |  #2

I had the 100-400 for a bit and found wide open to be soft. If you stop down to f8 I think you would get better results. Have you tried it at f8?


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A7rIII, A6300, 100-400 GM, 85 f1.4 GM, 90 Macro, 55 f1.8, 16-35 F4, 35 f2.8, Batis 25 f2, Samyang 14 f2.8 AF, MC-11.
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BioSci
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May 12, 2014 21:43 |  #3

You probably need to adjust the focus of the lens. Lots of info here on ways to do that. Do it once and the lens should focus just fine. I use a 100-400L with my 7D, and most of the time the focus is spot-on.


EOS R | 7D | 24-70 f/2.8L II | 70-200 f/2.8L II | 100-400 f/4.5-5.6L | 17-55 f/2.8 | 11-16 f/2.8

Tyo Photography (external link)

  
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cicopo
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May 12, 2014 22:21 |  #4

That's very soft. Do you have any previous experience shooting a long & heavy lens? There is a learning curve & you need good technique (stance etc). I get very sharp images from mine & I shoot moving targets.


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ed ­ rader
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May 12, 2014 23:21 as a reply to  @ cicopo's post |  #5

400mm + 1.6 crop + 2-stop IS + noob = disaster :D


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Bleufire
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May 12, 2014 23:27 |  #6

was there a tripod involved?


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venom3300
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May 12, 2014 23:55 |  #7

I would guess you need to focus adjustment, speed up the shutter, or a slightly missed focus.

my ancient 100-300L is sharper at 5.6 so I doubt it is the lens...


Bodies: Nikon D800,Canon Rebel GII, Pentax K1000
Lenses: Nikon 20mm 1.8, Nikon 24 2.8 MF, Tamron SP 35mm 1.8, Tamron 90 2.8 Macro, Nikon 70-200 2.8 VR I, Nikon AI-P 500mm F4, Nikon TC-16A, SMC Pentax-A 50/1.7, SMC Pentax-M 100/4 Macro

  
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jhayesvw
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May 13, 2014 00:22 |  #8

I see 2 issues in your exif.
you shot at 1/500th and you shot at 5.6

bump that to 1/800th and 7.1 and iso 800 and see what you get.

I shoot all day with the 7d and 100-400 and do pretty well. click my Flickr link in my sig for examples.



My Flickr (external link)

  
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DreDaze
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May 13, 2014 01:15 |  #9

also many seem to think the 100-400L doesn't play well with filters, so if you've got a filter on it, maybe remove that?


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AmilaDG
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May 13, 2014 01:20 |  #10

ed rader wrote in post #16900681 (external link)
400mm + 1.6 crop + 2-stop IS + noob = disaster :D

What ever you meant, that's interesting :-)


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diarimarcopolo
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May 13, 2014 01:29 |  #11

I've used it in Iceland with the 5D MKIII and quality was amazing! Two shots I did, both hand-handled




  
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AmilaDG
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May 13, 2014 03:20 |  #12

diarimarcopolo wrote in post #16900843 (external link)
I've used it in Iceland with the 5D MKIII and quality was amazing! Two shots I did, both hand-handled

QUOTED IMAGE

QUOTED IMAGE

can you tell us setting of these images like apurture, shutter speed and iso


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Choderboy
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May 13, 2014 03:21 |  #13

Clearly not what to expect from a 100-400.

Here's how I tested 1.4 teleconverter on my 400 5.6 lens.
(I knew the 400 was good)

Bright sunny day, camera resting on beanbags, on a concrete wall.
Concrete wall next to road that gets very little traffic.
I'm confident to not shake camera when pressing shutter, but took a few using 10 second timer anyway. All pics were great. No surprise, I ruled out every possibility of poor result, external to equipment.

If you can get good results without being as thorough as I was great, but if you can't, be thorough, it's not that hard.

Then get some beautiful hand helds like above, if you can :)

There is no tripod / head combo in the world as solid as this:

IMAGE: https://farm8.staticflickr.com/7364/14175656384_86e389d3b7_o.jpg

Dave
Image editing OK

  
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patrol50
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May 13, 2014 03:28 |  #14

AmilaDG wrote in post #16900837 (external link)
What ever you meant, that's interesting :-)

hi yes that is soft for a 100 - 400 at that speed imho and some can be a bit like that i have 2 of them - my new one is tack sharp on my 600 d majority of the time provided i hold it steady and the other a 2 nd hand one is good on my 7d ( 7d is a fussy camera ) but they dont interchange cameras too well as then they are both a bit soft - so obviously some back and or front focussing issues there with them and yes you can micro adjust but only at one focal length unless you have a 5d 111 etc then can do botton and top asdjust- - try it on a tripod if you can or hard held into a bean or sand bag etc ( as above post ) and if still no go i would send it back if its a new one and ask for another - i have done that with my new one - the first one i got was pretty ordinary and second one was great

just ignore the noob comment - more a comment about the person who made it than you:lol:

cheer rob


C:- 7D Mk11 ; 7Dc ; 600D & SX10 IS / L:- EFS 10-22 f3.5-4.5 USM ; 55-250 f4-5.6 IS 11; 18 -200 f3.5-5.6 IS ; & EF 16- 35 f4 L IS USM , 24-105 f4 L IS USM; 70-200 f4 L IS USM; 100-400 f4.5-5.6 L IS 1 USM (V1 and V11); + C 1.4 Ext Mk3 & Tam 150 - 600 f5-6.3 DI VC USD.

  
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watt100
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May 13, 2014 04:31 as a reply to  @ patrol50's post |  #15

likes others have said, try shooting at f6.3 (greater DOF), increase the shutter speed and don't use a filter


60D
100-400
f6.3
1/1600
400mm - considerably cropped

IMAGE: http://farm3.staticflickr.com/2834/12813501584_d94591d179_b.jpg



  
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Is this the quality of 100-400mm L lens?
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