Search results
Results From The WOW.Com Content Network
The DOF beyond the subject is always greater than the DOF in front of the subject. When the subject is at the hyperfocal distance or beyond, the far DOF is infinite, so the ratio is 1:∞; as the subject distance decreases, near:far DOF ratio increases, approaching unity at high magnification. For large apertures at typical portrait distances ...
DOF Subsea, company Documento de Origem Florestal (Forest Origin Document), a governmental Brazilian system to regulation of extraction, transport and commerce of native forest products. Double old fashioned glass , a glass for serving "lowball" cocktails that is typically 12-16 fluid ounces (350-470ml)
DOF or DoF: Depth of field. A measure of the permissible distance within which an object remains in acceptable, though not perfect, focus. [11] Calculations of DOF assume that an imperfectly focused "circle of confusion" smaller than 0.20 to 0.25 mm is indistinguishable from perfect focus in an image viewed from a normal distance.
In physics, the degrees of freedom (DOF) of a mechanical system is the number of independent parameters that define its configuration or state. It is important in the analysis of systems of bodies in mechanical engineering , structural engineering , aerospace engineering , robotics , and other fields.
The distinction between the two meanings is rarely made, since they have almost identical values. The value computed according to the first definition exceeds that from the second by just one focal length. Definition 1 The hyperfocal distance is the closest distance at which a lens can be focused while keeping objects at infinity acceptably ...
Landscaping refers to any activity that modifies the visible features of an area of land, including the following: Living elements , such as flora or fauna ; or what is commonly called gardening , the art and craft of growing plants with a goal of creating a beauty within the landscape .
First two images illustrate typical DOF of a single image at f/10 while the third image is the composite of six images. Focus stacking (for extended depth of field) in bright field light microscopy. This example is of a diatom microfossil in diatomaceous earth. Three source images at different focus distances (top left) are combined with masks ...
The way glacial processes interact with other landscape elements, particularly hillslope and fluvial processes, is an important aspect of Plio-Pleistocene landscape evolution and its sedimentary record in many high mountain environments. Environments that have been relatively recently glaciated but are no longer may still show elevated ...