STURDY DOBSONIAN BASE: The durable Dobsonian ... 12” PRIMARY MIRROR: Our Newtonian reflector telescope is equipped with a large, 12-inch primary mirror for stunning views of planets, galaxies ...

Dobsonian telescopes are another kind of reflector telescope. They're a lot easier to maintain and operate than their Newtonian counterparts, but they're still great for spotting a wide range of ...

Powerful electromagnetic radiation from an enormous radio telescope in Puerto Rico may have fast-tracked structural damage that led to the instrument's collapse in 2020, a new report says.

Reflecting telescopes use mirrors to focus light. These tend to be larger and don't suffer from chromatic aberration.

More large telescopes are in use today than ever before. The introduction of Dobsonian mounts is largely responsible for this. Newtonian reflectors coupled to alt-az Dobsonian mounts (see ...

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Robert Reeves first captured the lunar surface in 1959, and it's one of these images that wraps around this sleek reflector telescope. Made for beginners, the Dobsonian mount makes it compact and ...

The Extremely Large Telescope (ELT) will house a mirror the size of four tennis courts, under a huge dome in the Atacama desert. Reflecting telescopes like ELT work by using a primary mirror to ...

From lens focal lengths and fill-flash to portraits, macro or stunning landscapes there are techniques for everyone. Learn how to use metering, considering composition and shoot everything from ...

Buying the right camera, lens, accessory or software to suit your photography is really important. Our product reviews offer independent views with hands-on opinion and honest verdicts aimed to ...

The installation of the main reflector for the antenna system of the 40-meter-aperture radio telescope completes in Shigatse, Xizang autonomous region, Oct 7, 2024. [Photo/CCTV News] The main ...