How to Get Shallow Depth of Field in Your Digital Photos
Photo by Andross I’ve been taking a lot of portrait shots of our kids lately with my husband’s DSLR (Canon EOS 20D) and I’ve noticed that on some shots that I take the backgrounds is all soft and out of focus while in others it is
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Sensor size and Depth of field in film and digital cameras
Depth of field is defined as the range in which the photo is in focus. Achieving a specific depth of field is a useful photography technique used for example to achieve a blurry background effect. Film and digital cameras have different
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Canon Auto-Focus Technical Information
When the camera determines how far and in what direction the lens must move to cancel the phase difference, it does so within a tolerance of "within the depth of focus" of lenses slower than f2.8 (down to f5.6) or "within 1/3 of the
Shallow Depth of Focus 1 - Detail
See the detail for a clearer view of the shallow depth of focus: http://www.photo.net/photodb/photo?photo_id=4898496
Shallow Depth of Focus 1
See the detail of this image to see the shallow depth of focus: http://www.photo.net/photodb/photo?photo_id=4893518
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Selective focus: Managing Focal Distance
I hope that you understand that your aperture has an absolute impact on our depth of field. Depth of field is the distance of clear focus. Let me get into a little numbers mumbo jumbo to explain. Let’s assume for this example,
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Depth from Focus - MMVLWiki
Extended depth-of-field image showing part of a 10-pence coin (compare with 1.39 MByte video of focus stack (http://vision.eng.shu.ac.uk/jan/coin.avi))
Depth of Field
The result may be satisfactory; however, in many cases the foreground looks out of focus. This is, of course, because of insufficient depth of field.
Photo Box
The greatest influence beyond depth of focus is focal length and aperture Some cameras are equipped with a function that controls depth of focus which,
Depth of Focus
Among the tolerances Cox discussed was depth of focus. Cox demonstrated that depth of focus was The longer the f/ratio, the greater the depth of focus.
Keith Price Bibliography Depth from Focus, Changing Camera Parameters
An Investigation of Methods for Determining Depth from Focus, Ryoo, S.M., Extended Depth from Focus Using White Light Interferometer,
Document: Depth of focus overview
It is for this reason that with a high-NA, high magnification microscope objective, the depth of field is very shallow, but the depth of focus can be quite
Depth of field and depth of focus
interactive web based educational software resources aimed at helping students understand the key concepts and relationships in ferrous metallurgy.
Calibration of Curvature of Field for Depth from Focus
A method for accurate depth measurement in depth from focus is presented. depth image of the object. The focus information is influenced by optical
Extended Depth-of-Focus
Extended Depth-of-Focus for Multi-Channel Microscopy Images: A Complex Wavelet Approach Microscopy imaging often suffers from limited depth-of-focus.