Android: Using focus mode FOCUS_MODE_EDOF during image capture -

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has used focus mode focus_mode_edof, provided in android cameraparameters? http://developer.android.com/reference/android/hardware/camera.parameters.html#focus_mode_edof

i need know if mode used tap focus on object selected (as depicted in iphone 4 camera specs, http://www.apple.com/iphone/features/camera.html)?

if yes, need implement touch listeners on preview screen determine part of preview selected?

to answer question: no, not mode want use touch-to-focus.

edof stands "extended depth of field", , in case, refers camera fixed focus uses optical , computational tricks create image beyond distance in focus. using fact different wavelengths of light affected differently lens, color channels can sharpened separately , combined. allows larger aperture (and better performance in low-light conditions) conventional fixed-focus lens, have focused @ hyperfocal distance focus entire scene.

edof cameras common on nokia phones. because don't have moving parts, can made smaller , more robust autofocus cameras.


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