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2. File:Comparison optical telescope primary mirrors.svg

   en.wikipedia.org/wiki/File:Comparison_optical...

   The telescopes shown on this comparison chart are listed below, ordered in each sub-section by (effective) mirror/lens area, low to high, and then by actual/planned first light date, old to new. The "present-day" status is given as of the beginning of 2024. See also List of largest optical reflecting telescopes.

3. Hubble vs. Webb: See side-by-side comparisons of the iconic ...

   www.aol.com/news/photos-webb-telescope-pictures...

   Among the Webb telescope’s first images was a spectacular view of a galaxy cluster known as SMACS 0723. Thousands of bright galaxies can be seen speckled across a small patch of sky, including ...

4. List of telescope parts and construction - Wikipedia

   en.wikipedia.org/wiki/List_of_telescope_parts...

   Field lens: A correcting lens placed just before the image plane of a telescope. [citation needed] Telecompressor or focal reducer: Optical element to decrease the telescope's focal length and magnification (usually by a fixed percentage) and widen the field of view, providing opposite effects of a Barlow lens.

5. List of largest optical reflecting telescopes - Wikipedia

   en.wikipedia.org/wiki/List_of_largest_optical...

   Comparison of nominal sizes of apertures of some notable optical telescopes For the largest reflecting telescopes on the planet, the horizontal indicates the year built and the vertical direction indicates the size of the mirror measured in meters. Countries which contain several of these telescopes are color-coded for identification.

6. List of large optical telescopes - Wikipedia

   en.wikipedia.org/wiki/List_of_large_optical...

   This is a list of large optical telescopes. For telescopes larger than 3 meters in aperture see List of largest optical reflecting telescopes . This list combines large or expensive reflecting telescopes from any era, as what constitutes famous reflector has changed over time.

7. List of telescope types - Wikipedia

   en.wikipedia.org/wiki/List_of_telescope_types

   Telescopes can be classified by optical design or mechanical design/construction. Telescopes can also be classified by where they are placed, such as space telescopes. One major determining factor is type of light, or particle being observed including devices referred to as "telescopes" that do not form an image or use optics.

8. What is the James Webb Telescope? What to know about ... - AOL

   www.aol.com/news/james-webb-telescope-photos...

   The first photos from NASA's James Webb Space Telescope have been released. Here's everything you need to know about space's hottest new photographer. Skip to main content. 24/7 Help. For premium ...

9. List of largest optical refracting telescopes - Wikipedia

   en.wikipedia.org/wiki/List_of_largest_optical...

   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 over a century.