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Understanding Aperture and some more photos.

December 18th 2007 00:01
Aperture
Aperture


Aperture is a must learn if you actually want to take good pictures.

To understand how aperture works on a camera it helps to compare it to the pupil of the human eye. The less light there is, the wider you open your pupil, while if there is a lot of light it narrows down to a small opening and blocks the amount of incoming light.


So think of it like this, the bigger the aperture size setting the smaller the hole, and vise versa.

The hole restricts or enhances the light that you let into the camea.

High f, small aperture, low f, big aperture.

Open the aperture by one stop and the lignt that enters is doubled.

Aperture openings also control depth of field, smaller aperture, larger sharp focus area, larger aperture, smaller focus area.

Larger aperture setting keeps the subject or focal point in sharp focus.

Telephoto lenses have smaller depths of fields than wide-angles.

f numbers
f numbers


By manually adjusting the f numbers you can vary the amount of the picture that is in focus. If you want just the foreground in focus then you need a small depth of field and therefore need a small f-number.


A large f-number will allow the large depth of field that a landscape shot is likely to need.

To creat such effects you need the right kind of camera.


People
People



Good photo
Clear focus throughout



Notice what a clear focus this is, both foreground, beach chairs and skyline are clear, thanks to the right settings.


Enjoy your photography.






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Comments
3 Comments. [ Add A Comment ]

Comment by Rosemary

December 19th 2007 00:49
All very complicated. I'll just point, click and hope the camera knows what to do. Love that beach. Cheers.

Comment by James Rickard

December 19th 2007 02:53
*LOL* I got it!!!!!!

Comment by Miswanderlust

December 28th 2007 04:22
Katyzzz
Great post!
Mis

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