Are Ritchey Chretien telescopes good?

RCs are great for long focal length deep sky imaging and research, but they are less ideal for visual use or planetary imaging. The large central obstruction reduces contrast a significant amount, which makes the RC inferior to say, Schmidt-Cassegrain Telescopes for planetary imaging or visual observing.

What is an RCOS telescope?

RC Optical Systems was a high-end American telescope and optics manufacturer that specialized in Ritchey-Chrétien telescopes with hyperbolic mirrors. RC also made related mounts and systems for the telescopes, with a focus on open and closed carbon fiber trusses for low expansion.

What is a Cassegrain telescope used for?

Cassegrain reflector, in astronomical telescopy, an arrangement of mirrors to focus incoming light at a point close to the main light-gathering mirror. The design was proposed in 1672 by French priest Laurent Cassegrain.

Who makes Ritchey Chretien telescopes?

OGS
We currently are specializing in “turn-key” robotic and Internet-controlled observatories. OGS manufactures Ritchey-Chretien telescopes, Classical Cassegrain, custom optical systems and research grade tracking mounts. Our telescopes range in size from 10-80 inches.

Where are GSO telescopes made?

Taiwan
Guan Sheng Optical (GSO) is telescope manufacturing company. They are based in Taiwan. They make affording telescopes for the consumer market and also mirror sets for some of the other more expensive Ritchie Chretien (RC) manufacturers. All their mirrors are CNC manufactured and of a very high quality.

Why is the Cassegrain telescope shorter?

Why are Cassegrain telescopes shorter than Newtonian reflecting telescopes? Many websites say this is because the effective focal length of the objective is increased by making the secondary mirror convex. This allows a Cassegrain telescope to be shorter than a similarly powered Newtonian.

Is Cassegrain a reflecting telescope?

The Cassegrain telescope is a type of reflecting telescope which employs a combination of a primary concave mirror and a secondary convex mirror into its design.

Which telescope brand is best?

The best telescopes to buy now

• Celestron Nexstar 8SE.
• Orion SpaceProbe II.
• Unistellar eVscope eQuinox.
• Nasa Lunar telescope for kids.
• Celestron Travelscope 70 Portable.
• Celestron AstroMaster 130EQ.
• Svbony SV25 Refractor Telescope.
• Celestron 76mm Firstscope Apollo 11 Edition. A tabletop telescope for lunar lovers.

Are GSO Telescope any good?

Yes, GSO telescopes are good quality telescopes. They aren’t in the premium class, but still are very good and I would not hesitate to buy one. They’re roughly equivalent to Orion and generally have more accessories included. Their dobsonian scopes are nice.

How is a radio telescope different from a refracting telescope?

Refracting telescopes use lenses to bend light as it passes throught them. These are limited by the size of the lenses, and therefore tend to be much smaller than reflectors. Radio telescopes are used to study much longer wavelengths than visible light.

What is the reflector telescope used for?

A reflector telescope is a type of telescope in which the objective lens used to collect light is a mirror. There are a number of variations on the basic reflector telescope design, ranging from hand-held telescopes designed to be used by amateur enthusiasts to huge observing telescopes located in laboratories all over the world.

How are telescopes used in astronomy?

Telescopes are the main tools used by astronomers to explore the Universe. The way they work depends on what an astronomer wants to look for across deep space. For most people a telescope is an optical telescope, which lets an astronomer see objects in space that radiate or reflect visible light.

What is an astronomical telescope?

Answer Wiki. An astronomical telescope is an optical instrument which is used to see the magnified image of distant heavenly bodies like stars, planets, satellites and galaxies etc.