June 27, 2014
Defining your focus can be difficult when it's the same button as your trigger - button "of the photo. I used a back button to the point for years and have come to prefer to concentrate my images.
I have a lot of advice on the development of strategies in my book of intermediate photography, focus. This trick is one that I share to help photographers to capture sharper images.
The typical process to focus an image is to press the shutter button to half way down. Then to take the picture, you press the same button at the bottom. It combines two major operations into a single button and it cam be difficult for you to maintain just enough pressure on the trigger to lock focus, but avoid shooting, by holding the button for an extended period of time - for example, when reconstruction of the scene or wait for the right time to take the picture.
Separating the two steps using the button 'back', a button on the back of the camera that is dedicated to the development - focus gives me more fire control. This allows to concentrate and take a picture of independently.
'Back' focus button gives you:
Synchronization faster and easier shots.Less risk of error when tracking a moving subject.Easier to focus close (macro).Easier to 'lock' the development.
This awesome button is labelled with "*" or "AF-ON." It is usually placed so that it falls just under the thumb, which makes it easy to focus, then use your index finger to press the shutter button.
To shoot using back button Focus, you will need to use your custom settings that varies for each camera model, refer to your device's user guide photo for more details. You will also find numerous videos and tutorials online for specific model cameras.
'Back' button focus requires a bit of practice, so give it a little time. Many photographers pro uses the back button Focus method when shooting. If you don't like it, change it back! But give it a chance and share your experience with this new method of development.
Photo credit: Kristen Duke, Google
Next play: Six ways sites ID and track you - and how you can Fight Back!
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