• Thumbnail for Objective (optics)
    In optical engineering, an objective is an optical element that gathers light from an object being observed and focuses the light rays from it to produce...
    11 KB (1,336 words) - 18:53, 18 May 2025
  • independently of a mind. Objective (optics), an element in a camera or microscope The Objective, a 2008 science fiction horror film Objective pronoun, a personal...
    862 bytes (141 words) - 06:52, 9 January 2025
  • Thumbnail for Optics
    Optics is the branch of physics that studies the behaviour and properties of light, including its interactions with matter and the construction of instruments...
    107 KB (12,886 words) - 21:46, 13 May 2025
  • Thumbnail for Diffraction-limited system
    In optics, any optical instrument or system – a microscope, telescope, or camera – has a principal limit to its resolution due to the physics of diffraction...
    20 KB (2,648 words) - 09:19, 25 May 2025
  • the illumination is introduced on the specimen side opposite of the objective optics which requires imaging of the evanescent field region through the bulk...
    30 KB (3,826 words) - 13:07, 25 May 2025
  • Thumbnail for Orchestrated objective reduction
    Orchestrated objective reduction (Orch OR) is a theory postulating that consciousness originates at the quantum level inside neurons (rather than being...
    48 KB (5,286 words) - 21:01, 25 February 2025
  • optical waveguides can be described using the concepts of geometrical or ray optics, as illustrated in the diagram. Light passing into a medium with higher...
    16 KB (1,922 words) - 11:52, 1 January 2025
  • Thumbnail for Optical fiber
    Optical fiber (redirect from Fiber optics)
    concerned with the design and application of optical fibers is known as fiber optics. The term was coined by Indian-American physicist Narinder Singh Kapany...
    101 KB (12,269 words) - 23:20, 25 May 2025
  • Thumbnail for Voigtländer
    producing the Petzval objective lens. From 1839, the year, when the invention of photography was being published, came objective optics and from 1840 complete...
    24 KB (2,211 words) - 08:14, 18 January 2025
  • Thumbnail for Numerical aperture
    Numerical aperture (category Optics)
    between different areas of optics. Numerical aperture is commonly used in microscopy to describe the acceptance cone of an objective (and hence its light-gathering...
    17 KB (2,313 words) - 10:44, 8 May 2025
  • Thumbnail for Diaphragm (optics)
    In optics, a diaphragm is a thin opaque structure with an opening (aperture) at its center. The role of the diaphragm is to stop the passage of light,...
    11 KB (1,382 words) - 20:47, 4 April 2025
  • Thumbnail for Condenser (optics)
    electrons in electron microscopy, neutron radiation, and synchrotron radiation optics. Condensers are located above the light source and under the sample in an...
    11 KB (1,498 words) - 09:30, 26 March 2025
  • Thumbnail for Exit pupil
    Exit pupil (category Optics)
    the aperture stop in the optics that follow it. In a telescope or compound microscope, this image is the image of the objective element(s) as produced by...
    10 KB (1,213 words) - 12:04, 5 May 2025
  • Thumbnail for Optical microscope
    behind a window, or industrial subjects may be a hazard to the objective. Such optics resemble telescopes with close-focus capabilities. Measuring microscopes...
    53 KB (6,155 words) - 16:29, 24 May 2025
  • Dioptrics (redirect from Dioptric objective)
    Dioptrics is the branch of optics dealing with refraction, especially by lenses. In contrast, the branch dealing with mirrors is known as catoptrics. Telescopes...
    1 KB (159 words) - 01:35, 24 October 2023
  • Thumbnail for Angular resolution
    thereby making it a major determinant of image resolution. It is used in optics applied to light waves, in antenna theory applied to radio waves, and in...
    20 KB (2,332 words) - 14:50, 5 March 2025
  • Thumbnail for Dispersion (optics)
    frequency. Sometimes the term chromatic dispersion is used to refer to optics specifically, as opposed to wave propagation in general. A medium having...
    33 KB (3,420 words) - 05:05, 28 February 2025
  • Thumbnail for Secondary lens
    the combination, leaving the effective focal length for purposes of photographic composition unchanged. Barlow lens Convertible lens Objective (optics)...
    4 KB (571 words) - 19:58, 1 November 2024
  • Thumbnail for Linnik interferometer
    configuration is the use of measurement optics in the reference arm, which essentially duplicate the objective measurement optics in the measurement arm. The advantage...
    1 KB (175 words) - 04:06, 21 February 2023
  • perfect alignment. Bushnell introduced the AR Optics 1-4 scope in 2018. It has a 30mm tube and has an objective lens diameter of 24mm. It has caliber-specific...
    20 KB (1,832 words) - 04:56, 30 April 2025
  • Development's Office of Foreign Disaster Assistance OG: Objective Glass, see Objective (optics) Obstetrics and gynaecology Offensive Guard, see Guard (American...
    20 KB (2,199 words) - 00:55, 23 April 2025
  • Thumbnail for History of optics
    geometrical optics in the Greco-Roman world. The word optics is derived from the Greek term τα ὀπτικά meaning 'appearance, look'. Optics was significantly...
    45 KB (5,748 words) - 22:53, 12 May 2025
  • Folded optics is an optical system in which the beam is bent in a way to make the optical path much longer than the size of the system. This allows the...
    1 KB (181 words) - 02:45, 28 January 2024
  • Thumbnail for Joseph Petzval
    optics companies (Töpfer, Voigtländerkorrigie, Zeiss) produced the Petzval objective lens until the 1940s. Petzval's largest contributions to optics are...
    26 KB (3,262 words) - 03:59, 25 May 2025
  • Thumbnail for Binoculars
    been explored. Most early binoculars used Galilean optics; that is, they used a convex objective and a concave eyepiece lens. The Galilean design has...
    98 KB (11,111 words) - 07:13, 9 May 2025
  • Thumbnail for Carl Zeiss
    of a water immersion objective with resolution equal to those of Emil Hartnack's. A first step in the rational production of optics was a modernization...
    35 KB (4,945 words) - 20:59, 17 May 2025
  • Thumbnail for Petzval lens
    Photographic Optics. Oxford, UK: Focal Press. ISBN 0-240-51540-4. US Grant US2500046 A, Willy Schade, "Petzval-type photographic objective", published...
    8 KB (948 words) - 10:28, 25 May 2025
  • Thumbnail for Next Generation Squad Weapon
    optics. The winners were officially announced by the Army in early 2022: SIG Sauer to produce the XM7 rifle and XM250 automatic rifle, Vortex Optics to...
    21 KB (1,777 words) - 00:27, 15 April 2025
  • Nightforce Optics is an American manufacturer of high-end telescopic sights, spotting scopes and mounting accessories, based in Lavonia, Georgia with factory...
    7 KB (725 words) - 11:46, 30 March 2025
  • Thumbnail for Optical aberration
    In optics, aberration is a property of optical systems, such as lenses and mirrors, that causes the image created by the optical system to not be a faithful...
    62 KB (8,868 words) - 16:00, 4 May 2025