Topic: Focal Depth
Answers to Common Questions
What is the focal depth of an earthquake?
The focal depth refers to the depth of an earthquake hypocentre (focus). Read More »
Source: http://wiki.answers.com/Q/What_is_the_focal_depth_of_an_earthquak...
What is the definition of focal depth?
Focal depth n. A measure of the power of a lens to produce clear images at diff... Read More »
Source: http://www.chacha.com/question/what-is-the-definition-of-focal-de...
What are Terms of balance depth focal point?
Focal point 1. the point at which light, sound, etc. are focused 2. any c... Read More »
Source: http://www.chacha.com/question/what-are-terms-of-balance-depth-fo...
Featured Content: Focal Depth
For the seismology term, see Depth of focus (tectonics). Depth of focus is a lens optics concept that measures the tolerance of placement of the image plane (the ... More »
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Answers to Other Common Questions
Most earthquakes are shallow focus earthquakes and their focal dept... ...MORE... Read More »
Source: http://www.chacha.com/question/what-is-the-most-common-focal-dept...
focal lenght refers to the lenght or "zoom" of a lens, standard is considered 50mm on a 35mm full frame camera depth of field is the amount of the image that is in focus try wikipedia or youtube maybe for more info heres a depth of field ex... Read More »
Source: http://answers.yahoo.com/question/index?qid=20090522181850AAqKDAv
There are exact formulas for calculating the depth of field. But you want to approximate for determine this easily. You can print out Depth of Field tables (http://www.dofmaster.com/doftabl...) You can pre-calculate these settings before yo... Read More »
Source: http://www.quora.com/What-is-the-relationship-between-aperture-fo...
Even though telephoto lenses appear to create a much shallower depth of field, this is mainly because they are often used to make the subject appear bigger when one is unable to get closer. If the subject occupies the same fraction of the v... Read More »
Source: http://uk.answers.yahoo.com/question/index?qid=20091128040411AAuo...
Shutter Speed: The shutter is what controls how long the sensor is exposed to the light. The longer the shutter is open the more light can be captured by the sensor. A fast shutter speed will result in “freezing” a moving object and a slow ... Read More »
Source: http://answers.yahoo.com/question/index?qid=20090105153421AAAtXyj
A winding stairway is semi difficult but in the long run looks great! Read More »
Source: http://answers.yahoo.com/question/index?qid=20090605144606AAlhB35
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