focal plane


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Related to focal plane: focal point

focal plane

the plane of tissue that is in focus on a tomogram.

focal plane

One of two planes through the anterior and posterior principal foci of a dioptric system and perpendicular to the line connecting the two.
See also: plane
References in periodicals archive ?
2]), it is illustrated that FEF value of image obtained by prefocal CMOS detector is bigger than the postfocal CMOS detector, and the best focal plane is near the prefocal CMOS detector.
Each panoramic exposure is based on the position of the anatomy within skull, within the focal plane, its relation to the center of rotation and the beam's interception of the anatomy.
With a conventional rear focal plane scope a Mil, or other range-finding/BDC reticle, is only calibrated for one magnification setting.
5-21x50mm, it can be ordered in either a front or rear focal plane model and in either 1/4 MOA or .
Since they detect minute temperature differences, IR focal plane array cameras can record automobiles and other inanimate objects as easily as they image humans.
Scientists can scan various levels inside a specimen by simply raising or lowering the focal plane.
is an advanced sensor design and production enterprise with world-class capabilities in infrared and visible detector material technologies, readout integrated circuit design, and integrated focal plane array fabrication.
The smallest diagonal you should consider using is just big enough to deliver 100% of the light gathered by your scope's primary mirror to the center of the focal plane.
On second focal plane reticle scopes, the parallax adjustment or distance focus and focusing the crosshair are independent of one another.
In fact, strictly speaking, the secondary doesn't really influence collimation--its positioning only affects the uniformity of the illumination of the focal plane.
All of this would not be possible in a variable power scope if Cabela's hadn't placed their reticle in the first focal plane.
DRS-produced DVEs are upgradable, as improved optics and focal plane array sensors producing broader field of view and higher display resolution evolve, reducing system obsolescence.