An annular-aperture wide-field camera, consisting of a spherical mirror and an annular aperture stop at its center of curvature (essentially a correctorless Schmidt camera), has been shown through analysis and laboratory tests to be a useful imaging device in the far and extreme UV, where the efficiencies of conventional refractive correctors and of reflective mirror coatings are relatively low.
© 1981 Optical Society of America
Original Manuscript: July 18, 1981
Published: December 1, 1981
George R. Carruthers, "Annular-aperture wide-field camera," Appl. Opt. 20, 4094-4096 (1981)