What are Radio Telescopes? – National Radio Astronomy Observatory
Schiefspiegler - Wikipedia
3.2.1.2 Off-axis PSF
Off-axis Newtonian
Specifying the Geometry of Off-Axis Parabolic Mirrors - Aperture Optical Sciences - Optical Components
Effects of polarization aberrations in an unobscured off-axis space telescope on its PSF ellipticity
chap4.html
Applied Sciences | Free Full-Text | Wave Aberration Correction for an Unobscured Off-Axis Three-Mirror Astronomical Telescope Using an Aberration Field Compensation Mechanism
Two-mirror tilted component telescopes 2
Chiefspeigler | Optical Ed's
Cassegrain Formulas and Tips by Mike Lockwood
Off-Axis Parabolic Mirror Selection Guide | Edmund Optics
Specifying the Geometry of Off-Axis Parabolic Mirrors - Aperture Optical Sciences - Optical Components
Newtonian telescope off-axis aberrations
Solar eclipse observations with SPIDER 300A radio telescope in Hong Kong in the 21cm radio frequency band - Radio2Space
What Are Optical and Radio Telescopes?
Photonics | Free Full-Text | Spatial Three-Mirror Off-Axis Freeform Optical System without Any Symmetry