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FORUMS Photography Talk by Genre Critique Corner 
Thread started 01 Feb 2015 (Sunday) 13:57
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Help Please - Not Sharp ?

 
Doidgy
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Feb 01, 2015 13:57 |  #1

Hi, I think the image is not sharp, I tried to focus on the eyes.

No post proccessing at all, except a crop.

What did I do wrong ?

F14 1/100 iso200


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Left ­ Handed ­ Brisket
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Feb 01, 2015 14:02 |  #2

Looks like the restraint, or whatever is wrapped around him is sharp.

You sure its f14 and not f/4?

Finally, how much of a crop


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Doidgy
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Feb 01, 2015 14:09 |  #3

Metadata says F14 (I was about 4 feet away from dog)

Here is the original:


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John ­ Sheehy
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Post edited over 4 years ago by John Sheehy.
     
Feb 01, 2015 14:13 |  #4

Doidgy wrote in post #17410390 (external link)
Hi, I think the image is not sharp, I tried to focus on the eyes.

No post proccessing at all, except a crop.

What did I do wrong ?

F14 1/100 iso200

What you did wrong was "1/100". That could blur just from the dog moving its head, and certainly blurred here because of the wind.

Maybe a little back-focus, too.




  
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Left ­ Handed ­ Brisket
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Feb 01, 2015 14:21 |  #5

Just surprised there is such little DOF with f14. There are definitely things in the picture that are sharp, so back focus it the likely problem.


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Doidgy
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Feb 01, 2015 14:23 |  #6

Thank You, that makes sense :)

Back focus ? Is that my fault or the lens ?


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John ­ Sheehy
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Feb 01, 2015 14:26 |  #7

Doidgy wrote in post #17410428 (external link)
Thank You, that makes sense :)

Back focus ? Is that my fault or the lens ?

If you let the focus point fall where it will, then I guess its your fault. If you had a single, active focus point further front on the dog's face, then the camera/lens did not focus properly. Of course, it could all be due to motion and not to focus, as f/14 seems like it should be fairly deep with the short focal length.




  
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Doidgy
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Feb 01, 2015 14:29 as a reply to  @ John Sheehy's post |  #8

Cheers John, thanks for taking the time to help.


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Doidgy
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Feb 01, 2015 14:33 as a reply to  @ Left Handed Brisket's post |  #9

Thank You "...Brisket" for taking the time to help.


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sandpiper
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Feb 01, 2015 16:56 |  #10

It looks to me like the top of his coat is pretty sharp and the lettering on his collar tag isn't far out, both of which are not far from the same plane as his eyes. You should have around 9 inches of DOF to play with, about 4 in front and 5 behind the plane of focus, so the eyes should be reasonably sharp even if you missed focus slightly.

I would say that this is down to the slow shutter speed, unless he was holding very still when you took the shot any movement of his head would be enough to blur the features a little. When photographing animals you need to keep the shutter speed faster than that to freeze any motion.




  
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Doidgy
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Feb 02, 2015 03:43 |  #11

sandpiper wrote in post #17410713 (external link)
It looks to me like the top of his coat is pretty sharp and the lettering on his collar tag isn't far out, both of which are not far from the same plane as his eyes. You should have around 9 inches of DOF to play with, about 4 in front and 5 behind the plane of focus, so the eyes should be reasonably sharp even if you missed focus slightly.

I would say that this is down to the slow shutter speed, unless he was holding very still when you took the shot any movement of his head would be enough to blur the features a little. When photographing animals you need to keep the shutter speed faster than that to freeze any motion.

Looks like you were spot on, I had turned on the "display AF points" and didnt realise you could view the info out of camera:


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Feb 05, 2015 11:25 as a reply to  @ Doidgy's post |  #12

It's funny that you posted this, because I was out the day taking pictures of my dog with the same lens I recently acquired and was going to post something up for comments that the pics weren't sharp. I do know with my dog 1/100 would usually not be enough, unless maybe you were using rapid burst and took several shots.


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scobols
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Feb 05, 2015 11:40 |  #13

When you read the metadata, does it say f/14 or f14 or f/4. Just making sure you not mistaking the / for a 1.

Scott


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rob ­ ashcroft
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Feb 05, 2015 11:45 |  #14

All animals and birds can move, even slightly, at a much faster rate than you think. A slight twitch, although only a small movement will easily fall outside 1/100s. The beading on the coat looks very sharp. I think f/5.6 would have been much better, giving a much faster speed, and more importantly blurring out some of that unattractive background detail, such as that building. Nice dog - and I'm glad he's wearing a protective coat in this weather!:-)


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sandpiper
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Feb 05, 2015 12:07 |  #15

scobols wrote in post #17416675 (external link)
When you read the metadata, does it say f/14 or f14 or f/4. Just making sure you not mistaking the / for a 1.

Scott

He isn't mistaking it, the exif (it's with the image) definitely says f/14.




  
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Help Please - Not Sharp ?
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