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,...

abdomen Pelvic diaphragm or pelvic floor, a pelvic structure Urogenital diaphragm or triangular ligament, a pelvic structure Diaphragm (optics), a stop in...

place in. Numerical aperture Antenna aperture Angular resolution Diaphragm (optics) Waterhouse stop Bokeh Shallow focus Deep focus Entrance pupil Exit...

Cooke triplet Corner reflector Crystal optics Dark state Densitometry Depolarizer (optics) Diaphragm (optics) Dichroism Dichroic filter Dichroic prism...

In Gaussian optics, the cardinal points consist of three pairs of points located on the optical axis of a rotationally symmetric, focal, optical system...

is a modified Abbe condenser that replaces the iris diaphragm, filter holder, lamp and lamp optics with a small OLED or LCD digital display unit. The display...

image sensor at normal incidence.[citation needed] Transmittance Diaphragm (optics) Pupil magnification Hecht (1987), p. 152. "Aging Eyes and Pupil Size"...

camera, starting in 1958. The lens had a unique bayonet mount optics, "jumping" diaphragm and 13 aperture blades. The aperture control ring was placed...

In optics, aberration is a property of optical systems, such as lenses, that causes light to be spread out over some region of space rather than focused...

Abbe–Porro prism Aberration in optical systems Crown glass (optics) Dermatoscopy Diaphragm (optics) Calculation of glass properties Optical aberration Optical...

a magnetic field; the condenser microphone, which uses the vibrating diaphragm as a capacitor plate; and the contact microphone, which uses a crystal...

network. The speaker driver can be viewed as a linear motor attached to a diaphragm which couples that motor's movement to motion of air, that is, sound....

Jena. Carl Zeiss is one of the oldest existing optics manufacturers in the world. Carl Zeiss opened an optics workshop in Jena in 1846. By 1847 he was making...

components to function: Collector lens and/or field lens Field diaphragm Condenser diaphragm Condenser lens These components lie in this order between the...

electrical signal, an optical transmission, or a mechanical structure. In optics, it is primarily used to remove Airy disks caused by diffraction around...

circle, on a diaphragm with an even number of blades, the diffraction spikes from blades on opposite sides overlap. Consequently, a diaphragm with n  blades...

from the object plane, without any need to consider ray refraction by the optics. In photography, the size of the entrance pupil (rather than the size of...

be equal to f / 2 {\displaystyle f/2} . Most lenses have an adjustable diaphragm, which changes the size of the aperture stop and thus the entrance pupil...

1987, but most other manufacturers now offer lenses with shape-optimized diaphragms, at least for the domain of portraiture photography. In contrast, a catadioptric...

type of photographic lens. The aperture diaphragm is located between the objective and the image-side focus (optics). It corresponds to the "normal" human...

reprinted by Arno Press, New York. ISBN 978-0-405-09624-2 OCLC 4642259 Diaphragm (optics) Ghent University History of the camera Royal Photographic Society...

glass consisting of a single very thick lens with a central deep groove diaphragm at the equator, thus limiting the rays to those close to the axis, which...

and solid angle, which must then be summed over both the source and the diaphragm as shown below. Etendue may be considered to be a volume in phase space...

2 NaOH}}} This electrolysis is conducted in either a mercury cell, a diaphragm cell, or a membrane cell. Each of those uses a different method to separate...

term confocal arises from the presence of a diaphragm in the conjugated focal plane (confocal). This diaphragm is usually absent in multiphoton microscopes...

detectors which register outcoming photons are placed immediately behind the diaphragm with two slits: A photon is registered in one detector, not in both.....

silicone oil from touching the cornea and causing corneal dystrophy, a diaphragm made of polymethylacrylate (PMMA) is installed to seal the area around...

light from the surrounding environment, regulates its intensity through a diaphragm, focuses it through an adjustable assembly of lenses to form an image...

introduction of fiber optics, wireless transmission, satellite transmission, Free Space Optics, and the internet. Fiber optics was first developed in...

In optics and photography, hyperfocal distance is a distance from a lens beyond which all objects can be brought into an "acceptable" focus. As the hyperfocal...