Definition of Focal plane

1. Noun. (optics) Any plane perpendicular to the axis of a lens or mirror ¹

2. Noun. (optics) Such a plane, in a camera, microscope etc, in which the real image is in focus ¹

¹ Source:

Lexicographical Neighbors of Focal Plane

focal epithelial hyperplasia
focal gallbladder wall thickening
focal gigantism
focal glomerulonephritis
focal illumination
focal infection
focal interval
focal length
focal lengths
focal lymphocytic thyroiditis
focal metastatic disease
focal motor seizure
focal necrosis
focal nephritis
focal nodular hyperplasia
focal plane (current term)
focal point
focal points
focal ratio
focal reaction
focal sclerosing glomerulopathy
focal sclerosis
focal sclerosis with hyalinosis
focal segmental glomerulosclerosis
focal seizure
focal spot
focal spot size

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