catadioptric


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Related to catadioptric: Catadioptric Telescope

cat·a·di·op·tric

(kat'ă-dī-op'trik),
Employing both reflecting and refractive optical systems.
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The fourth edition adds chapters on third-order aberration theory and calculation, and the design of mirror and catadioptric systems.
In all probability the current trend toward catadioptric or "mirror" lenses will make a clean sweep of it before long, at least insofar as hunting applications are concerned.
Regardless of whether we're talking about a camera lens, refractor, reflector, or catadioptric, we measure an optics ability to collect light by its aperture.
These cameras come in a variety of models such as: wide-angle, fish-eye, and catadioptric.
If that describes you, consider a catadioptric telescope such as a Schmidt-Cassegrain.
Lighting is seldom comparable with the eyepiece impression and the orientation of the images is often difficult to reconcile with the view in star-diagonal-equipped refractors or catadioptric telescopes.
This next generation immersion system features the same advanced catadioptric lens design as the XT:1700i, but with better resolution capability due to the higher numerical aperture of 1.
Though not a deal-breaker, it is a neck strainer, especially if you are using a refractor or catadioptric telescope pointed anywhere higher than about 15[degrees] above the horizon--in other words, for most every astrophoto.
For example, you may find a large-aperture Dobsonian from one manufacturer for the same price as a small-aperture computerized catadioptric from another.
The NSR-610C, with its catadioptric optics of NA 1.
com * Among the larger telescopes on display this year was Meade's new 16-inch LX600 Advanced Coma-Free catadioptric fitted with the StarLock system that automatically acquires a guide star and begins autoguiding the telescope each time it is aimed at a new target.
25pm E95) enabling exposure of most critical features, allowing flexibility in optimizing catadioptric lens designs as well as support for ultra-high numerical apertures