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Another Blurred Image

By I_SPY
Here's another Image that turned out blurry, although, in this pic, everyone IS lined up!? The Only person sharp is the Girl on the front right!?

Tags: Portraits and people

Voters: CurtainTwitcher, chensuriashi, jonah794 and 1 more


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Comments


strawman 12 22.1k 16 United Kingdom
8 Jan 2010 12:20AM
OK read your depth of field guides, look up the depth of field for your lens at the camera setting and check what focus point you had active. Its a small image, but was it focused on the chair.

Remember if you have more than one point selected it will grab the AF point with the closest object.

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LensYews 7 1.3k 1 United Kingdom
8 Jan 2010 12:35AM
For your wedding this weekend, try setting your autofocus points to just the central one. You can do that on the 40d by pressing the button at the top right of the back of the camera (rectangle with five dots in a cross shape icon next to it) and then using the wheel to choose the focus point you want on the top LCD screen (choose the centre one).

Video here on how to do that.

Then when you want to take a picture, line up your central focal point in the view finder with the item you want in focus (Bride or Groom's eyes), half press the shutter button, you'll get a green dot in the view finder confirming the lens has focused and then recompose the image (with the shutter held down) to the one you want to take, and press the shutter.

That way you are in control of where the camera is focusing, on the most important part of the picture.
I_SPY 6 173 United Kingdom
8 Jan 2010 12:43AM
Yes The chair seems to be more in focus! you peeps good at noticing things, I didn't even notice the chair until you pointed it out!
I just tried that video (DOF by Rob) the apple one, using 40d with 24-70. AV mode and TV. I also photographed an open tap with water, I see the difference slightly with the water running, sharpness and the blur of the water, but in regards to dof, I photographed 3 objects, 1 closer to me then the 2, and 3 item being the furthest out, and they all look same to me, even though with different f stops.

anyways, cant upload anything else today, will have to do tomor now Sad
I_SPY 6 173 United Kingdom
8 Jan 2010 12:48AM
LensYews, Yes I know how to set the AF point to Single middle one, I Thought If I did this, then the ONLY thing that would be in focus, is whatever the AF point has got directly behind it, and everything to the left/right up/down away from the middle point will be blur???

Is that not the case?
chensuriashi Plus
10 231 17 England
8 Jan 2010 7:30AM
I feel that you were just too far away here, open up the lens to 17mm and try a low F stop, also I feel that the group should have been posed a little closer together to get more fun into the shot, and put better faces in the frame, getting closer to those lovely little darlings in the front, would put a smile on anyones dial. Chen.
I_SPY 6 173 United Kingdom
8 Jan 2010 12:20PM
Thanks Everyone! I'll be adding more soon!
colmar 9 42 35 Scotland
8 Jan 2010 12:20PM
You actually CAN upload more for today if you want to achieve the critique as to the why and wherefore, use the variants ! Colin
Phil1958 7 272 4 Wales
8 Jan 2010 1:14PM
Everyone has given good advice on focussing using the central point and this will improve your IQ in respect of sharpness. I shoot weddings and alway use AV and 1/3rd stop under exposed. I also picked up a tip recently and that's to have the bride and groom slightly forward from the main group to emphasise them and have the groom on the right of the bride. In this case, the bridesmaids could be in front of the happy couple,

Phil
I_SPY 6 173 United Kingdom
8 Jan 2010 3:36PM
Nice one Phil & Colmar.

Oh Colmar, I tried to upload, but I get a response, only 1 image per day is allowed, i think this is due to not being a member long enough?
anyways, lets see what happens.
banehawi Plus
12 1.4k 3461 Canada
8 Jan 2010 4:15PM
Can you provide the shot settings:

Aperture; shutter speed, ISO, and focal length?

Ill check back and comment if you provide this info.

Tks


Willie
Phil1958 7 272 4 Wales
8 Jan 2010 5:16PM

Quote:Nice one Phil & Colmar.

Oh Colmar, I tried to upload, but I get a response, only 1 image per day is allowed, i think this is due to not being a member long enough?
anyways, lets see what happens.



Unless you are an e2 member you can't upload variants of your initial shot
I_SPY 6 173 United Kingdom
8 Jan 2010 7:01PM

Quote:Can you provide the shot settings:
Aperture; shutter speed, ISO, and focal length?
Ill check back and comment if you provide this info.
Tks
Willie



Mr Willie Sir, here are you requested details.
Canon 40d
f/4
1/25 ISO 800
Focal lenght: 20mm
"P" mode used
banehawi Plus
12 1.4k 3461 Canada
9 Jan 2010 12:18AM
Using dofmaster.com and inputting your settings, you should have had lots of depth of field if you had focused on anyone in the front row, which I assume you did.

Did you use a tripod?

The minimum handheld speed for this shot is 1/*focal length * crop factor) which is 1/32, which practically means you need a tripod, or use shutter priority and select 1/50.

The lack of sharpness is coming from a slow shutter speed unless you use a tripod, and even then, use a remote release.

You should check out this link for depth of field information:

http://www.dofmaster.com/dofjs.html


Regards



Willie
I_SPY 6 173 United Kingdom
9 Jan 2010 12:44PM
Willie, I just purchased a REMOTE release! lol!
I must of read your mind there!!

Yes I will check and save the website out! - Thank You.
ps, no i didnt use a tripod, it was all hand-held!

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