How to focus your camera - the nasty post
October 22nd 2007 04:31
Now that's a photo
Now this is a nasty post, it is not easy to explain and there are some difficult concepts from optics. I have done sufficient Physics to know what they are getting at but I think any attempt to explain them would be pretty disastrous.
By way of replacement I have chosen a few strategic images which I'll leave until last.
Now the first image here is an example of art photography. I just love it, I don't know how you think of it. But it's there for you to look at anyway. That's something to aim at [pardon the pun]
For the most part we are talking digital cameras, but you'll find film cameras use much the same principles and the good ones have similar settings.
Because of the optical properities of lenses only objects within a certain range will be produced clearly. To allow for this and obtain a sharp image you need to change the camera's focus.
Most digital cameras have more than one focusing mode. When using an automatic mode, focus is locked when the shutter-release button is pressed half-way down. Correct use of the two-step shutter button is key to obtaining proper focus.
an easy one
The LCD shows when and where the focus is locked. There is a visual indicator such as a green or yellow light which shows when this happens
getting the idea
Now I am going to run quickly through the autofocus mode so you get an idea of the range of possibilities. A lot will depend on your particular camera and your own understanding and expertise. If you are a beginner get used to all the easy functions first then try out other things progressively. Only you know where you want to go with your photography.
The focus on the foreground off centre not the background
Auto Focus Used most often
Continuous autofocus consumes a lot of battery power
Spot focus on center area of the screen.
3, 9-area focus - changes to different ares.
Face-Priority AF - is what it says.
Prefocus when there is a similar distance between the camera and subject.
Manual Focus- focus on a portion of a scene when not centered in the frame.
Focus ring - focus manually, from a few feet to infinity, by turning a focus ring near the lens.
Focus button - depress a manual focus button and rotate a dial until the subject is in focus.
Don't forget that cameras vary so get to know your manual, painful as that is.
front angled camera
And now here are those nasty little diagrams which show the theories on which all of this is based, so I'll leave you with those to think about not to digest.
camera nasty
another camera nasty
more nasties
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Comment by Krystal
feelings
Crystal
Comment by James Rickard
unlucky_ fishermen.com
Angling Fish
Comment by katyzzz
Photography Tips
Health Focus
Poetry Lighthouse
MS Paint Art
James, you summed it up well, a good photographer has to be constatnly on the move, how often do i see people 'sitting' taking photograhs or just put the camera up and shoot from where they stand, they haven't even got off the ground, with a few simple changes they could do so much better.
katyzzz
Comment by Miswanderlust
Killer Beats
Ramble On
Hipnotherapy
The autofocus sometimes is such a pain. Thanks for the info!
Mis