- negative meniscus
- a convexoconcave lens.
Medical dictionary. 2011.
Medical dictionary. 2011.
negative meniscus — sklaidomasis meniskas statusas T sritis fizika atitikmenys: angl. diverging meniscus; negative meniscus vok. negativer Meniskus, m; streuender Meniskus, m rus. отрицательный мениск, m; рассеивающий мениск, m pranc. ménisque divergent, m; ménisque … Fizikos terminų žodynas
Meniscus corrector — Albert Bouwers 1941 catadioptric telescope with a concentric meniscus corrector A meniscus corrector is a negative meniscus lens that is used to correct spherical aberration in image forming optical systems such as catadioptric telescopes. They… … Wikipedia
Meniscus — The word meniscus comes from the Greek and refers to a crescent shaped structure. Today a meniscus is something that is shaped like a crescent moon or a croissant pastry. A meniscus can be an anatomic feature. For example, the medial meniscus of… … Medical dictionary
diverging meniscus — sklaidomasis meniskas statusas T sritis fizika atitikmenys: angl. diverging meniscus; negative meniscus vok. negativer Meniskus, m; streuender Meniskus, m rus. отрицательный мениск, m; рассеивающий мениск, m pranc. ménisque divergent, m; ménisque … Fizikos terminų žodynas
meniscus lens negative — convexoconcave l … Medical dictionary
Discoid meniscus — on coronal proton density weighted MRI Discoid meniscus is a rare human anatomic variant that usually affects the lateral meniscus of the knee[1]. Usually a person with this anomaly has no complaints, however, it may present as pain, swelling, or … Wikipedia
Maksutov telescope — A 150mm aperture Maksutov Cassegrain telescope. The Maksutov is a catadioptric telescope design that combines a spherical mirror with a weakly negative meniscus lens in a design that takes advantage of all the surfaces being nearly spherically… … Wikipedia
Lens (optics) — For other uses, see Lens. A lens. Lenses can be used to focus light. A lens is an optical device with perfect or approximate axial symmetry which tra … Wikipedia
Double-Gauss lens — The double Gauss design with optical ray traces The double Gauss lens is a compound lens used mostly in camera lenses that reduces optical aberrations over a large focal plane. Contents 1 Design … Wikipedia
Mangin mirror — Diagram of a Mangin mirror. In optics, a Mangin mirror is a negative meniscus lens with the reflective surface on the rear side of the glass forming a curved mirror that reflects light without spherical aberration. This reflector was invented in… … Wikipedia