Cassegrain Sentence Examples

It may be applied to the open end of a reflecting telescope, either of the Newtonian or the Cassegrain construction."

A third form of reflecting telescope was devised in 1672 by Cassegrain (Journal des Scavans, 1672).

Fewer telescopes have been made of this than perhaps of any other form of reflector; but in comparatively recent years the Cassegrain has acquired importance from the fact of its adoption for the great Melbourne telescope, and from its employment in the 60-in.

The classical Cassegrain In the classical Cassegrain telescope, the primary mirror is paraboloid shaped.

Cassegrain telescope feeds is in progress.

Cassegrain focus when MCAO is either unavailable or inappropriate.

Cassegrain rotator fixed and for you to simultaneously specify the field orientation.

It is NOT possible for the telescope to have the Cassegrain rotator fixed and for you to simultaneously specify the field orientation.

For spectroscopic purposes the Cassegrain form has peculiar advantages, because in consequence of the less rapid convergence of the rays after reflection from the convex hyperboloidal mirror, the equivalent focus can be made very great in comparison with the length of the tube.

A subsidiary in Germany, followed by another in Belgium, laid out the brand's European expansion. 1980 marked the date when Phillipe Cassegrain (son of Jean Cassegrain) took over the family business.