circle of least confusion

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circle of least confusion,

1 (in optics) a disc representing the image of a theoretical point made by a spherocylindrical lens.

2 smallest cross-section of the blur circle between two focal lines formed by an astigmatic lens.

circle of least confusion

The smallest cross-section of a circular bundle of an astigmatic pencil formed by an astigmatic lens and situated between the two focal lines. See astigmatism; conoid of Sturm.

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astigmatism conoid of Sturm line spherical equivalent test			15mm F--Lens focal length H--Hyperfocal Distance f--Lens f number d--Diameter of circle of least confusion (mm) 304. Hyperfocal distance chart by Abell, Leigh J. / PSA Journal			Cinobac cinoxacin CINV CIO ciodrin Cionella lubrica CIPM Cipollone v. Liggett Group Cipro Ciprodex ciprofloxacin ciprofloxacin hydrochloride circa circadian circadian dysrhythmia Circadian Pacemaker circadian reassurance circadian rhythm circannual circhoral circinate circinate retinopathy circle circle absorption anesthesia circle of Carus circle of least confusion circle of Willis circle of Zinn circling Circling the Drain CircOlectric bed Circoviridae circovirus circuit circuit training circuit voltmeter circuits, in radiograph machine circular circular amputation circular bandage circular compression circular fiber circular fold Circular Insanity circular sinus circulating nurse circulation circulation rate circulation status circulation time Circulator Boot			Circle of Dependability Circle of Dust Circle of Eagles Lodge Society circle of equal altitude circle of equal declination Circle of equal probability Circle of equal probability Circle of equal probability Circle of fifth Circle of fifths Circle of Five Circle of Food Allergic Families Circle of fourths Circle of Friends Motorcycle Club Circle of Friends With Arachnoiditis circle of Haller circle of Haller circle of Haller circle of Haller circle of Haller Circle of Health International Circle of Helping Hands Circle of Hope Therapeutic Riding, Inc. circle of illumination Circle of Industrial Engineering Majors circle of inertia Circle of Influence circle of inversion Circle of latitude Circle of latitude circle of least confusion Circle of Liberal Reformers Circle of Life Foundation circle of longitude Circle of Mediterranean Parliamentarians for Sustainable Development Circle of osculation Circle of osculation Circle of perpetual apparition Circle of perpetual apparition Circle of perpetual occultation Circle of perpetual occultation Circle of Pious Zealots circle of position circle of probable error Circle of Protection circle of right ascension circle of safety circle of safety circle of safety circle of safety circle of safety Circle of Stone and Shadow Circle of the Ancient Ways Circle of the Earth Circle of the Goddess Circle of the gorge Circle of the Moon Circle of the sphere Circle of the Young Biologists of the Zoo Circle of True Doom circle of uncertainty

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