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Recent Developments in Optofluidic Lens Technology
Recent Developments in Optofluidic Lens Technology

... soft materials, and deformable liquids, such as optofluidics. Extensive reviews of various optofluidic systems, their utilities, and applications [1–5] are available. The advent of such optofluidic devices has provided an alternative route to re-designing and improving pristine optical systems. Such ...
Binoculars - shapes and lenses
Binoculars - shapes and lenses

... is concave, thinner in the center, instead of convex. These are the oldest and simplest working telescope type, which work well at low magnification, but not at higher magnifications such as needed for bird watching. This is what they look like: ...
DIOPTRICS OF THE FACET LENSES OF MALE BLOWFLIES
DIOPTRICS OF THE FACET LENSES OF MALE BLOWFLIES

... Po is larger than Pi by a factor > 3, or the power of the front surface mainly determines the power of the facet lens. The value of the F-number, calculated with F = f/D, appears to vary hardly in the investigated diameter range: it scatters around 2.0, except for the smallest lenses of Calliphora ( ...
A correlation of thin lens approximation to thick
A correlation of thin lens approximation to thick

... I. INTRODUCTION Lens design, also called optical design and optical system design, is the science or art of developing optical systems to image, direct, analyze, or measure light. These systems include: camera lenses, telescopes, microscopes, scanners, photometers, spectrographs, interferometers, ey ...
Ch30
Ch30

... For a diverging lens, an incident beam of light parallel to the principal axis is diverged so that the light appears to originate from a single point. The focal length of a lens, whether converging or diverging, is the distance between the center of the lens and its focal point. When the lens is thi ...
About the reduction of reflections for camera lenses How T
About the reduction of reflections for camera lenses How T

... 80 years ago the story of T*-optics, which was to provide ways to ‘make glass invisible’, began at the ZEISS plant in Jena. The invention of anti-reflection (AR) coatings to reduce reflections from glass surfaces that are in direct contact with air represents one of the most outstanding innovations ...
University of Groningen CURVATURE MEASUREMENT
University of Groningen CURVATURE MEASUREMENT

The Truth About Base Curves - ABO-NCLE
The Truth About Base Curves - ABO-NCLE

... The base curve is the basis for all other curves on the lens. Curvature is responsible for the lens' dioptric power. By algebraically adding the base curve to the ocular curve (back curve), the dioptric power can be achieved. Any series of curves can produce dioptric power. Unfortunately the wrong c ...
outline21379
outline21379

... Management Options for Keratoconus and Irregular Corneas Abstract: This course will introduce practitioners to the use of specialty contact lens designs, including large diameter and reverse geometry, as well as soft and hybrid lens designs to manage patients with keratoconus, pellucid marginal dege ...
outline6347
outline6347

... 3) Provides a starting point for the selection of diagnostic lenses C. By fluorescein pattern analysis 1) Use to select subsequent diagnostic lenses 2) Balance between minimal corneal bearing and minimal corneal clearance 3) Aim for adequate peripheral clearance ...
Scanning Tunneling Microscopy
Scanning Tunneling Microscopy

... chromatic aberration, and new dyes to stain biological samples – reignited interest, particularly from botanists and zoologists. In the 1870s, Ernst Abbe, a physicist working for the Zeiss workshop of instrument makers, developed a theoretical understanding of optical microscopy that has defined the ...
Quantitative evaluation of light microscopes based on image
Quantitative evaluation of light microscopes based on image

... intensity check for which the results are shown in table 1. The microscope lamps are centered and focused by using the Köhler procedures as described in the respective manuals of the microscopes. In this study 40× objectives are used. The standard deviations, σ , as defined in formula (2) are used ...
Refraction
Refraction

... •  Lenses form images by refraction, rather than by reflection. •  Lenses can create real or virtual images. •  A real image is formed when rays of light actually intersect to form an image. •  A virtual image is formed when light rays appear to come from a point that they don’t actually come ...
Press Release Carl Zeiss Presents Positive Half
Press Release Carl Zeiss Presents Positive Half

... upcoming years the technology group will invest a total of EUR 500m in the further expansion of its sites in Germany. These investments compared to depreciations totaling EUR 67m (fiscal year 2010/11: EUR 122 million). The product innovation rate continues to lie at a high level: Carl Zeiss generate ...
PILE15_1.20040629140..
PILE15_1.20040629140..

... focal plane – a plane through the principal focus and is perpendicular to the principal axis. Simulation: Parallel rays through convex lens ...
Shaped End Fibers
Shaped End Fibers

... collimating while consuming a fraction of the space and costs of bulk optic alternatives. Almost all known lens types have been used to construct fiber optic collimators. These lenses include fiber lenses, ball lenses, a spherical lenses, and GRIN lenses, microscope objectives, cylindrical lenses, n ...
Refraction, Lenses, Aberrations
Refraction, Lenses, Aberrations

... in two different ways through the different temperature layers. ...
Emerging Trends in Contact Lens Technology Jason Jedlicka, OD
Emerging Trends in Contact Lens Technology Jason Jedlicka, OD

... Better materials Should they be in Si Hy only? Better designs Many new designs and more coming What is the difference in all these designs? KC specific vs. Irregular cornea generically Possible higher order aberration technology Trends in Soft Lenses for Presbyopia PV2 MF Better Optics ...
Aspheric Lenses
Aspheric Lenses

... elements to truly push the optical envelope." The truth is long lenses may use ULD and Fluorite glass, but wide angles and lenses of shorter than 200mm do not. Wide angles may use aspheric lens elements but not LD glass types. Long lenses do not use aspheric lenses. ...
1

Carl Zeiss AG



Carl Zeiss (German pronunciation: [ˌkaʁl ˈtsaɪs]) is a German manufacturer of optical systems, industrial measurements and medical devices, founded in Jena, Germany in 1846 by optician Carl Zeiss. Together with Ernst Abbe (joined 1866) and Otto Schott (joined 1884) they built a base for modern optics and manufacturing. There are currently two parts of the company, Carl Zeiss AG located in Oberkochen with important subsidiaries in Aalen, Göttingen and Munich, and Carl Zeiss GmbH located in Jena.Carl Zeiss AG is the premier company of the Zeiss Gruppe, one of the two large divisions of the Carl-Zeiss-Stiftung. The Zeiss Gruppe is located in Heidenheim and Jena. Also controlled by the Carl-Zeiss-Stiftung are the glass manufacturers Schott AG and Jenaer Glas, located in Mainz and Jena respectively. Carl Zeiss is one of the oldest existing optics manufacturers in the world.
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