Abstract

The Wright-Cassegrain universal telescope system is of 12.5 inch aperture with an f/9.0 ratio and is a catadioptric, which can be converted in three various instruments.

(1). A f/2.7 Wright camera with a flat field of 5°

(2). A f/2.7 Wright-Newtonian with a flat field of 5°

(3). A f/9 Wright-Cassegrain telescope

These three instruments are with interchangeable 3 in. tubes with adjustable mounts with respective optical components converting the telescope to the desired configuration.

© 1984 Optical Society of America