anastigmat

When this element is a mirror, the result is a three-mirror anastigmat.

Kodak Anastigmat Angénieux lenses were also used especially for the French market.

Unlike other triplets, the Leitz Anastigmat had the diaphragm between the first and second elements.

It is a specific instance of the Dagor type Double-Meniscus anastigmat.

The design phase of the 5-mirror anastigmat is fully funded within the ESO budget.

The SNAP will use an optical setup called the three-mirror anastigmat.

A pre-war anastigmat 4-element, 4-group lens.

The James Webb Space Telescope is a three-mirror anastigmat.

In fact, Paul Rudolph designed the Anastigmat with two cemented doublets in 1890.

In 1890, Rudolph designed an asymmetrical lens with a cemented group at each side of the diaphragm, and appropriately named "Anastigmat".

With anastigmat image quality achieved, attention next turned to increasing aperture size to allow photography in lower light or with faster shutter speeds.

The European Extremely Large Telescope will be a three-mirror anastigmat design, with two additional flat fold mirrors.

The lens had five elements in three groups-the third group being three cemented elements-and was initially called the Leitz Anastigmat.

The Large Synoptic Survey Telescope is a modified three-mirror anastigmat of Paul-Baker design.

A three-mirror anastigmat is a telescope built with three curved mirrors, enabling it to minimize all three main optical aberrations - spherical aberration, coma, and astigmatism.

Paul Rudolph's Protar was the first successful anastigmat (highly corrected [for the era] for all aberrations, including properly for astigmatism) lens.

The OTA's are of a three-mirror anastigmat (TMA) optical design (sans the 3rd "tertiary" mirror).

JWST's optical design is a three-mirror anastigmat, which makes use of curved secondary and tertiary mirrors to deliver images that are free of optical aberrations over a wide field.

The KH-11 Kennan (or perhaps the now cancelled Future Imagery Architecture) telescopes may be a three-mirror anastigmat, since the spare telescopes given to NASA by the National Reconnaissance Office are of this form.

The Foton's standard lens was the Taylor, Taylor & Hobson Cooke Amotal Anastigmat 2 inch f/2 (T/2.2) (1948; camera USA; lens UK, a Double Gauss).

Dennis Taylor's (UK, not related to the Taylors of T, T & H) Cooke Triplet was a deceptively simple looking asymmetric three element anastigmat formula created by reexamining lens design from first principles to take maximum advantage of the advances in new Schott optical glasses.