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April 14th, 2006, 08:14 AM | #16 | |
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Join Date: Mar 2006
Location: new york, ny
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Dof
The reason for getting shallower DOF when you use the -3 setting is that now you are shooting with the aperture almost wide open. The DOF has nothing to do with the camera, it has to do with the size of the ccd and the focal length of the lens. As far as the film adapters one does not have better DOF then the other this also has to do with the focal length of the lens in relation to the size of the groundglass being used. A 50mm Zeiss lens will have the same DOF as a 50mm nikon lens. If you understand the DOF in still photography the same applies to all these 35mm adapters. More important is the accuracy of the adapter, the lens mount, the flatness of the groundglass and the proper distance between the lens and the groundglass and if you have close up lenses involved the final quality is going to suffer.
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April 14th, 2006, 08:24 AM | #17 | |
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Join Date: Mar 2006
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D.o.f Averrated ?
You're absolutely right, for many years people have tried to make video look like film with the frame mode and filters and what have you... NOTHING.. make video look like film. The closest we have come is not the 24P is the ability to control the DOF so that there is some depth to the picture. That's where film has it over video, the film adapters have changed all of that, but has also created it own problems. The film adapters are only as good as the groundglass, more emphasis should be placed on the groundlass rather then what lens you use. Remenber that a cheap Pentax 35mm camera for example has better resolution than a 2/3 inch video camera with a broadcast lens.
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