Triple

Target class: telescope maker
Context triple: [George Willis Ritchey, instanceOf, telescope maker]

• A. telescope designer chosen
  A telescope designer is a specialist who conceives, engineers, and optimizes optical and mechanical systems to create instruments that collect and analyze light from distant celestial or terrestrial objects.
• B. telescope optical design
  Telescope optical design is the conceptual and technical process of arranging and specifying optical elements (such as mirrors, lenses, and correctors) to form, correct, and optimize images for a telescope’s intended performance and application.
• C. astronomical instrument
  An astronomical instrument is a specialized device or tool designed to observe, measure, or analyze celestial objects and phenomena.
• D. optical telescope
  An optical telescope is an instrument that gathers and focuses visible light to produce magnified images of distant objects for observation and study.
• E. reflecting telescope
  A reflecting telescope is an optical instrument that uses one or more curved mirrors to gather and focus light, forming magnified images of distant objects.
• F. None of above.