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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: wiktionary.com
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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: wiktionary.com