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FORUMS Photography Talk by Genre Critique Corner 
Thread started 24 May 2018 (Thursday) 18:12
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How to get a sharper image

 
tonyecj
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May 24, 2018 18:12 |  #1

Any advise on what i am doing wrong getting a sharp photo. Is it my camera, settings or just me?

This is a shot taken with my Canon 7d Mark II EF 70-200mm f2.8L IS II USM +1.4x.

1/2000 at f4.0
focal length 185mm
manual mode


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Gregsiem
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May 24, 2018 20:06 |  #2

Tony

And how are you shooting ? AI Servo or AI Focus ?
How many focal points active ? And can you show us (eg: from DPP) which one is selected for this shot and where it is ?

Do you have sharp images when you are shooting in a controlled environment eg: a stationary subject ?
Have you done any micro focus adjustment ? (MFA)


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Snydremark
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May 24, 2018 20:20 |  #3

As Greg asked, we'll need a bit more details on what your current settings are to get into much detail.

AF Mode
AF zones
Have you set any custom settings
What AF Case are you using
Have you done MFA on that lens + TC combination
How/where were you positioned for that shot
What metering mode are you using


- Eric S.: My Birds/Wildlife (external link) (7D MkII/5D IV, Canon 10-22 f/3.5-4.5, Canon 24-105L f/4 IS, Canon 70-200L f/2.8 IS MkII, Canon 100-400L f/4.5-5.6 IS I/II)
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May 26, 2018 09:59 |  #4

Why 1/2000 and f/4.0? 1/500 and a smaller aperture would work in my opinion. That way you wouldn't have to deal with the narrower depth of field of f/4.


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May 26, 2018 10:07 |  #5

joedlh wrote in post #18633053 (external link)
Why 1/2000 and f/4.0? 1/500 and a smaller aperture would work in my opinion. That way you wouldn't have to deal with the narrower depth of field of f/4.

True, but it should still be sharp at f/4, and it is best to do focus tests wide open. That way you can verify that the equipment is working as it should and that the technique is good. Once that has been established, then you can select the best f stop for the situation.

Use of the 1.4X will slow autofocus and could be contributing to less sharp photos.


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Tom ­ Reichner
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May 26, 2018 10:28 |  #6

.
When did you achieve focus on the pitcher? . If you did so a split second before the photo was taken, then no wonder it isn't sharp, as he was stepping toward you as he threw the ball.

You need to ensure that you focus track him in AI Servo as he steps forward, so that focus is achieved at the exact instant that the shutter is released, not a fraction of a second before.


.


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bpalermini
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May 26, 2018 10:39 |  #7

Are you shooting through mesh or a fence? If so that normally will impact sharpness a bit. Be sure your lens is as close to the mesh or fence as you can be to minimize its effect.

Otherwise, your settings look fine to me for sports. Wide open with a fast shutter speed is pretty normal in the sports world.

The TC on your lens definitely impacts focus speed but I would think for that shot it should be able to keep up. Have you done a microfocus adjust for that lens/tc combination on your camera? If not I would recommend that you do it. It makes a difference on my equipment.


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May 26, 2018 10:51 |  #8

bpalermini wrote in post #18633079 (external link)
Are you shooting through mesh or a fence? If so that normally will impact sharpness a bit.

Otherwise, your settings look fine to me for sports. Wide open with a fast shutter speed is pretty normal in the sports world.

The TC on your lens definitely impacts focus speed but I would think for that shot it should be able to keep up. Have you done a microfocus adjust for that lens/tc combination on your camera? If not I would recommend that you do it. It makes a difference on my equipment.

Yeah, MFA can make a big difference when using a TC. Mine needed +10 with my 100-400 II.


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drumsfield
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May 29, 2018 14:24 |  #9

It's a tad over exposed.


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May 29, 2018 14:43 |  #10

For a shot of the pitcher throwing you could get perfect focus by using LV, zooming in 10x and per-focusing about 4~6 feet in front of the pitcher's plate as the pitcher is going to throw from that spot every time. Then stop down to f/5.6 or f/8 where the lens is the sharpest.


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tonyecj
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May 31, 2018 00:02 as a reply to  @ Snydremark's post |  #11

Not ignoring anyone. I not have my camera right now but I will answer all your questions next week.

I do know I use AI servo, I don’t know how to do the micro adjustments.




  
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kf095
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May 31, 2018 20:37 |  #12

Use f8 and ISO 400.
But most likely, x1.4 is your answer.


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May 31, 2018 21:18 |  #13

All the suggestions are excellent. Camera motion is always a concern.


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Snydremark
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May 31, 2018 21:32 |  #14

tonyecj wrote in post #18636202 (external link)
Not ignoring anyone. I not have my camera right now but I will answer all your questions next week.

I do know I use AI servo, I don’t know how to do the micro adjustments.

https://www.learn.usa.​canon.com …roAdjustGuide_d​esktop.pdf (external link)


- Eric S.: My Birds/Wildlife (external link) (7D MkII/5D IV, Canon 10-22 f/3.5-4.5, Canon 24-105L f/4 IS, Canon 70-200L f/2.8 IS MkII, Canon 100-400L f/4.5-5.6 IS I/II)
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Post edited 6 months ago by RPCrowe. (2 edits in all)
     
Jun 12, 2018 22:44 |  #15

It is difficult to ascertain from a smallish posted image but, it looks to me like the glove and the left knee are pretty well in focus... I wonder if the guy's head image lower left threw off your focus.

Grand Atkinson has an excellent series of articles and YouTube videos on the Canon 7D Mark ii focusing system. Here is a link to the first of the articles, You can follow later articles from this one...

https://www.grantatkin​son.com …era-controls-for-ai-servo (external link)


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How to get a sharper image
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