How to Use refractor in a Sentence

refractor

noun

• Even a basic and small telescope, such as a 2-inch refractor, can get you a glimpse of the rings.
  — Jamie Carter, Forbes.com, 20 Sep. 2025
• The scope was nothing fancy, the kind of simple refractor that today would cost about $100.
  — Steve Mirsky, Scientific American, 1 Nov. 2013
• This type of telescope includes features of both refractor and reflector telescopes.
  — Chicago Tribune, 20 Feb. 2023
• There’s even a broadcast feed for those who can’t climb the narrow steps to the observatory’s 8-inch refractor telescope.
  — Laura Randall, Los Angeles Times, 16 May 2024
• There are three basic types of telescopes; reflectors, refractors, and Schmidt Cassegrain telescopes.
  — Mike Lynch, Twin Cities, 24 Nov. 2019
• Schmidt Cassegrain scopes are basically a design combining the optics of both the reflector and refractor scopes.
  — Mike Lynch, Twin Cities, 24 Nov. 2019
• Although refractor telescopes come at various price points, affordable models are available.
  — Chicago Tribune, 20 Feb. 2023
• That’s the home of the Florida’s largest publicly accessible refractor telescope, armed with a 10-inch lens.
  — Dewayne Bevil, OrlandoSentinel.com, 3 July 2018
• This photograph was taken by Markus Noga with a 4-inch (100 mm) refractor telescope.
  — Eric Berger, Ars Technica, 20 Nov. 2023
• Roughly 12 percent were flagged as having weak vision and sent to an adjacent classroom where workers using refractor lenses conducted more tests.
  — Andrew Jacobs, New York Times, 5 May 2018
• This refractor model comes with two eyepieces (20mm and 10mm) and a Barlow lens that doubles its magnification power.
  — Jen McCaffery, Popular Science, 21 June 2023
• From a refractor and smart scope for planets and the deep-sky to the best binoculars for clusters and eclipses — and even a recliner built for meteor showers — these 10 picks will kit you out for a year of skywatching.
  — Jamie Carter, Space.com, 27 Nov. 2025
• No bigger than a compact coffee machine, this 50mm apochromatic refractor is perfect for capturing open star clusters, with the sparkling Pleiades open cluster the perfect target.
  — Jamie Carter, Space.com, 29 Nov. 2025
• The workshop will feature demonstrations on refractor, dobsonian, reflector and catadioptric telescopes.
  — Rebecca Hazen, Houston Chronicle, 1 Feb. 2018
• The Lowell Observatory's 24-inch refractor telescope was a fine instrument, but too small for studying even dimmer, more distant galaxies.
  — Corey S Powell, Discover Magazine, 12 July 2015
• Johnston captured the footage from his backyard in Scottsdale, Arizona, using a 160mm refractor equipped with a specialized hydrogen-alpha solar filter.
  — Daisy Dobrijevic, Space.com, 5 June 2026
• This entry-level 70mm achromatic refractor features a simple alt-azimuth mount and provides excellent views of not only Jupiter, its distinctive pink cloud bands and its four moons, but also Saturn’s rings and the moon’s craters.
  — Jamie Carter, Space.com, 27 Nov. 2025
• These prominent features are best seen using a refractor telescope with a long focal length (the distance from the objective lens to the focal point) that accommodates eyepieces offering 200x magnification.
  — Jamie Carter, Space.com, 25 Dec. 2024
• Continuum has a large, rare collection of ribbed, holophane fixtures which use borosilicate glass reflectors and refractors to provide an untainted light, and are considered mid-20th century industrial art.
  — Mary Ellen Fillo, courant.com, 17 May 2017
• Another in 2007 used an off-the-shelf digital detector on a small refractor telescope to deliver remarkably decent photometric measurements, even for third-magnitude stars (which are somewhat fainter than those making up the Big Dipper).
  — Phil Plait, Scientific American, 26 July 2024
• For planetary observing, refractor telescopes, Dobsonians, Schmidt-Cassegrains, and Maksutov-Cassegrains boast long focal lengths and can accommodate eyepieces that offer high magnifications.
  — Jamie Carter, Space.com, 26 Feb. 2026
• Brecher collected light from the distant nebula scene from his home in Guelph, Canada using an astronomy camera mounted on a Sky-Watcher Esprit 70 EDX refractor telescope over the course of over 40 hours in September earlier this year.
  — Anthony Wood, Space.com, 19 Oct. 2025