Focus question

myko5

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Tried the search method and wasn't coming across anything relevant, although I did find some good information in the process.

Anyways, I have noticed in some of the snapshots that I have been taking that the focus seems to be backwards. My camera has been set on single point focus, and I usually move it to the point that I want. It seemingly focus's well until I look at the picture and the subject is OOF and the background is in focus. What am I missing here? I am sure it is something simple, but I'm stuck in a cloud with it.

Quick example:
I was aiming at my daughter as she was taking a picture of me (yes I know its obvious) and she was the focal point.

_DSC2726.JPG
 
What auto-focus mode were you in? Continuous or single-servo AF? Can you post the EXIF data for the image? My first guess in this case is that the subject might be inside the minimum focusing distance of the lens.
 
The camera is set on continuous. EXIF data? not sure what that is and couldn't find it in the for dummies section. My best guess is you would like this info??

f/4.5
1/60
ISO 1600
Focal length: 28mm
WB: auto
I was using my 18-55mm lens, and I was shooting across your basic banquet hall table.
 
Last edited:
The camera is set on continuous.
Here is your problem. The camera refocused before you released the shutter.
Use continuous focus for moving subjects, and single focus for situations like taking a snap of your daughter here.


f/4.5
1/60
ISO 1600
Focal length: 28mm
WB: auto
All the above is EXIF data. The camera automatically embeds this in a digital image and if it hasn't been stripped by post process, it can be read directly from an image by using an EXIF reader like Opanda.com
 
The camera is set on continuous.
Here is your problem. The camera refocused before you released the shutter.
Use continuous focus for moving subjects, and single focus for situations like taking a snap of your daughter here.
:thumbup:
 
Here is your problem. The camera refocused before you released the shutter.
Use continuous focus for moving subjects, and single focus for situations like taking a snap of your daughter here.

Is either setting recommended over the other? In cases like this exact photo, where some pictures are taken with the kids running around, and others a more "still" snapshot. I only ask because by the time I switch the setting I will probably miss the picture anyways, making me no better off then having the blurred photo.
 
Here is your problem. The camera refocused before you released the shutter.
Use continuous focus for moving subjects, and single focus for situations like taking a snap of your daughter here.

Is either setting recommended over the other? In cases like this exact photo, where some pictures are taken with the kids running around, and others a more "still" snapshot. I only ask because by the time I switch the setting I will probably miss the picture anyways, making me no better off then having the blurred photo.
Which is why the more expensive camera bodies don't have the focus mode selection options buried in a menu, but have a switch on the outside of the body the photographer can use.

The photographer doesn't have to take their eye from the viewfinder to change focus modes on the fly.

Which setting to choose depends on the shooting situation. It's not a set it once and never change it feature. There are also auto focus area options to choose also, including 3-D tracking when in continuous focus mode.

The switch is located on the front, of the camera body and just left of the lens, to be operated by the left hand on the D300s, D700, D3s, and D3x.
 
guess ill have to chalk that one up as another reason for another camera.....maybe next christmas
 

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