Refracting telescopes use a lens to focus light. The Swedish 1-m Solar Telescope, with a lens diameter of 43 inches, is technically the largest, with 39 inches clear for the aperture.The second largest refracting telescope in the world is the Yerkes Observatory 40 inch (102 cm) refractor, used for astronomical and scientific observation for ...

2025年1月15日 · The best refractor telescope is free of chromatic aberration (apochromatic) and comes with a large aperture and a buttery smooth focuser. Best for Astrophoto. 1. Orion AstroView 102mm Equatorial Refractor Telescope. The Orion AstroView 102mm refractor telescope is a perfect beginner telescope offering the most value for money.

Large refractor telescopes offer stunning views of star clusters, galaxies, planets, moons, and more! They are also great for wide-field observing and astrophotography.

2022年10月14日 · TEC do a 250mm model which I think is the largest refractor currently on sale as an off-the-shelf design, unless APM have some larger LZOS objectives still available.

2019年10月28日 · Yerkes Observatory, in Williams Bay, Wisconsin, houses the largest refracting telescope ever built for astronomical research, with a main lens that's 40 inches (1.02 meters) in diameter.

Enjoy crisp, high-contrast views of the night sky with a refracting telescope from High Point Scientific. We carry quality refractors from leading brands, such as Celestron, Orion, Meade, Takahashi, and many more.

This list of the largest optical reflecting telescopes with objective diameters of 3.0 metres (120 in) or greater is sorted by aperture, which is a measure of the light-gathering power and resolution of a reflecting telescope.

Refractors can come in a variety of sizes and configurations with different numbers of lens elements and arrangements, glass types, and specific observations for lunar and planetary or deep-sky viewing as well as astrophotography. FEATURES: f/8 aperture, 640 mm focal length,1.25” 25mm Plossl eyepiece, and 26x magnification. BENEFITS.

This list combines large or expensive reflecting telescopes from any era, as what constitutes famous reflector has changed over time. In 1900 a 1-meter reflector would be among the largest in the world, but by 2000, would be relatively common for professional observatories.

Check out our list of the best refractor telescopes for viewing planets & galaxies. We have reviewed models for beginners, astrophotography, budget refractors, and more.