_ is an optical lens which renders a divergent beam from a point source into a parallel or
converging beam to illuminate an object
Answers
Answer:
Thorlabs' extensive line of optical lenses includes spherical, achromatic, aspheric, Powell, and cylindrical lenses, and are offered with or without antireflection coatings deposited on their surfaces. Substrate options include N-BK7, N-SF6, UV fused silica, calcium fluoride, magnesium fluoride, zinc selenide, germanium, and silicon. In addition, Thorlabs also offers Axicons and Air-Spaced Doublets.
Answer:
A condenser is an optical lens which renders a divergent beam from a point source into a parallel or converging beam to illuminate an object.
Condensers are an essential part of any imaging device, such as microscopes, enlargers, slide projectors, and telescopes. The concept is applicable to all kinds of radiation undergoing optical transformation, such as electrons in electron microscopy, neutron radiation and synchrotron radiation optics.
Explanation: