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An Introduction to the Types of Telescopes

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There are a lot of people nowadays who are getting into astronomy. Astronomy can be extremely interesting if you have the right equipment and most people find it quite thrilling to view an object which is so far out through a good telescope. The word telescope is Greek and means to look far off.

Buying a telescope is usually a tough decision, especially if you don’t know much about them. If you are planning to become an astronomer, or just want to observe the sky in much more detail, than you should do a lot of research on the different types of telescopes prior to buying one.

Telescopes use lenses or mirrors to make an object appear closer, brighter as well as bigger. Telescopes that use lenses, refractor telescopes and catadioptrics, gather light to a focal point and magnify the image before it reaches the eyepiece. A catadioptric telescope uses both mirrors and lenses to bend the light and bring it to a focal point in order to make the image seem bigger. Another type of telescope known as the reflector telescope uses only mirrors to bend the light and fold the path in order to magnify the image.

It is always good to read a couple of astronomy magazines before buying your first telescope. They will give you all the information regarding the best telescopes being used by amateur as well as professional astronomers.

When it comes to buying a telescope there are a few things you need to consider such as portability, magnification, size and quality of the image.

The magnification of the telescope depends on the diameter of the lens or aperture. The more the aperture of the telescope, the more the magnification will be.
Refractor telescopes have superior quality images but can be quite hard to carry around if you plan to buy one with greater aperture. A 10″ refractor will require a whole room to accommodate it, while a 10″ reflector can be easily transported from place to place with great ease.

Catadioptric telescopes use both mirrors and lenses to magnify the image. These telescopes are great for beginners and are much more affordable as compared to refractors. Unlike refractors, catadioptrics and reflectors do not have problems of different colors coming in the way of the image. This usually happens with refractors as the lenses divide white light into different colors (colors of the spectrum) when it passes through the lens.

Getting yourself a brass telescope will be a good idea if you want something that not only performs well, but looks elegant. A telescope is an expensive device which used to be a symbol of nobility, and was usually used by the elite. So it makes sense to get a nice brass telescope to put in your room or living room.

When buying your first telescope it is better to look at all the available options online rather than going to a mall. You will get to read a lot more about the telescope you are about to buy, and also will have a chance to compare prices and features.

Premium Brass Telescopes has telescopes with serious optics and classic polished brass which make these brass telescopes a timeless instrument.

Article Source: http://EzineArticles.com/?expert=John_V_Paulson

Article Source: http://EzineArticles.com/4073260

Antique Telescope


 10 Astrolabe Sextant w/ Wooden Box: Nautical Collection


10 Astrolabe Sextant w/ Wooden Box: Nautical Collection


$110.95


This nautical display sextant is made of brass and is about 10 wide. The sextant comes with its own nautical wood box. The box has brass accents and is about 11 wide and 4.5 tall. The sextant includes a moveable radial arm, telescope, mirror, colored light filters, and handle. This is a new item, made to look like an antique. Some imperfections are likely. This sextant is meant to be a display piece.

 11 Handheld Brass Telescope with Wood Box - Pirate Collection


11 Handheld Brass Telescope with Wood Box – Pirate Collection


$25.95


This nautical spyglass is made of brass and has a leather-wrapped handle. The telescope, when fully extended, is about 11 long. The scope comes in a wooden, nautical box.The telescope has an approximate magnification range of 3x.

 12 Brass Alidade Display - Navigational Tool


12 Brass Alidade Display – Navigational Tool


$49.95


This display alidade is made of brass. The telescope expands from about 8 to 12 in length. The base is about 5 wide. It has adjustable legs.This alidade is meant for display purposes only. It does come with functioning parts, but is not meant to be used as a navigation instrument.

 15 Hand Held Antique Finish Brass Telescope with Wood Box - Nautical Captain


15 Hand Held Antique Finish Brass Telescope with Wood Box – Nautical Captain


$29.95


This nautical spyglass is made of brass with an antique finish. The telescope, when fully extended, is about 15 long. It comes with nautical, wooden box. The box has brass plaque with Captain’s Telescope engraved on it.The telescope is modeled after older style scopes. To focus the telescope, you need to fully extend the body, and then slowly contract and expand the eyepiece portion only.The telescope will make a great pirate accessory.

 15 Handheld Brass Telescope with Leather Case - Nautical Collector


15 Handheld Brass Telescope with Leather Case – Nautical Collector


$29.95


This nautical spyglass is made of brass. It has a leather-wrapped handle. The telescope, when fully extended, is about 15 long. The scope comes in a leather carrying case.The telescopes are modeled after older style scopes. To focus the telescopes, you need to fully extend the body, and then slowly contract and expand the eyepiece portion only.The telescope will make a great pirate accessory.

 15 Handheld Brass Telescope with Wooden Box: Nautical Pirate Scope


15 Handheld Brass Telescope with Wooden Box: Nautical Pirate Scope


$29.95


This nautical spyglass is made of brass. It has a leather-wrapped handle. The telescope is about 15 long when fully extended. It comes with nautical, wooden box.The telescope is modeled after older style scopes. To focus the telescope, you need to fully extend the body, and then slowly contract and expand the eyepiece portion only.The telescope will make a great pirate accessory.

 15 Solid Brass Hand Held Telescope - Pirate Spyglass with Leather Case


15 Solid Brass Hand Held Telescope – Pirate Spyglass with Leather Case


$25.95


This nautical spyglass is made of brass. The telescope, when fully extended, is about 15 long. It comes in a leather carrying case. The telescope does have some imperfections in the finish, such as tarnish or scratches.The telescope is modeled after older style scopes. To focus the telescope, you need to fully extend the body, and then slowly contract and expand the eyepiece portion only.The telescope will make a great pirate accessory.

 25x30 Brass/leather-sheathed Nautical Telescope


25×30 Brass/leather-sheathed Nautical Telescope


$88.88


25×30 Brass/Leather-Sheathed Nautical Telescope

 28 Hand Held Brass Pirate Telescope: Nautical Ship Scope


28 Hand Held Brass Pirate Telescope: Nautical Ship Scope


$65.95


This nautical spyglass is made of brass. It has a leather-wrapped body. The telescope, when fully extended, is about 27.5 long. It retracts to be about 8.5 long.The telescope is modeled after older style scopes. To focus the telescope, you need to fully extend the body, and then slowly contract and expand the eyepiece portion only.The telescope will make a great pirate accessory.

 3 Brass Nautical Astrolabe Sextant with Maritime Wooden Box


3 Brass Nautical Astrolabe Sextant with Maritime Wooden Box


$13.95


This nautical display sextant is made of brass. The sextant is about 3 wide. The sextant comes with its own nautical wood box with brass accents. The sextant includes a moveable radial arm, telescope, mirror, colored light filters, and handle. This is a new item, made to look like an antique. Some imperfections are likely. This sextant is meant to be a display piece.

 3 Handheld Brass Telescope - Pocket Sized Scope - Nautical Decor


3 Handheld Brass Telescope – Pocket Sized Scope – Nautical Decor


$7.95


This small, nautical spyglass is made of brass. The telescope, when fully extended, is about 3 long.The telescope will make a great pirate and jewelry accessory.

 40 Telescope with Stand, Decorative, Brown


40 Telescope with Stand, Decorative, Brown


$410.99


OMH1263: Features: -Made of high quality brass.-Component is crafted with the finest craftsmanship.-Double barrel telescope comes with powerful optics and a viewing range of 3 to 4 kms.-Fitted on a beautiful adjustable rosewood tripod.-Fully functional harbor telescope. Collection: -Great addition to any nautical collection or home decor.

 5 Brass Astrolabe Sextant with Wooden Box: Nautical Collection


5 Brass Astrolabe Sextant with Wooden Box: Nautical Collection


$40.95


This nautical display sextant is made of brass and is about 5 wide. The sextant comes with its own nautical wood box. The box has brass accents and is about 5 wide and 3.5 tall. The sextant includes a moveable radial arm, telescope, mirror, colored light filters, and handle. This is a new item, made to look like an antique. Some imperfections are likely. This sextant is meant to be a display piece.

 6 Brass Pirate Telescope with Wooden Nautical Box


6 Brass Pirate Telescope with Wooden Nautical Box


$12.95


This nautical telescope is made of brass. Fully extended, it is about 6 in length. The telescope comes with its own nautical, wooden box. The box is about 4 long, 2 wide and 2 tall. The telescope is modeled after older style scopes. It will make a great pirate accessory.

 7-Speed Beach Cruiser - Frame Color: Flat Black with Black (Mens)


7-Speed Beach Cruiser – Frame Color: Flat Black with Black (Mens)


$247.78


XGB1200: Features: -Men’s beach cruiser bike.-Decals: All stickers are easily removable.-Frame: Extended / oversized hi-tensile steel cruiser frame.-Shifter: Shimano tourney 7-speed revoshift SL-RS41-7 CI-deck plus.-Indexed SIS shifting with optical gear display.-Stickers: All Stickers Are Easily Removable.-Spokes: Stainless Steel 14 Gauge Spokes with Brass Nipples.-Derailleur: Shimano tourney RD-TX51 7-speed mega range derailleur.-Cassette: Shimano MF-TZ07 7-speed cassette sprockets ( I 14T / II 16T / III 18T / IV 20T / V 22T / VI 24T / VII 28T ).-Pulley: Shimano 15T tension and 13T guide mega pulleys with advanced light action design.-Cable: Shimano shifting cables.-Grips: Black synthetic leather cushion grips with stitching (flat black ) and Stels black rubber grips (Burgundy).-Fork: Uni-crown fork.-Stem: Aluminum alloy stem.-Headset: 1.13” Neco headset with waterproof seal ring.-Brake: C-STAR front and rear aluminum alloy V-brakes with aluminum alloy brake levers.-Saddle: Oversized extra padded cruiser saddle with dual coil spring suspensions in black.-Seat post: 1.13” Anti-slip grating chrome plated seat post with aluminum quick release.-Chain: KMC CN-HP20 chain.-Cranks: Lasco 3-pieces hot forged alloy chrome plated crank arm set.-Chaining: Designer black and chrome plated disc 44 teeth front sprocket.-Kickstand: Heavy duty chrome plated kick stand.-Reflectors: Front and rear CPSC reflectors with mountings.-Baskets: Ready for optional baskets.-Wheelbase (Axle to Axle): 46.5”.-Top tube (stem to seat post): 25.5”.-Frame size (seat tube): 17”.-Seat height (adjustable): 31” – 38.25”.-Stem height (adjustable): 38.25” – to 40.75”.-Cubic feet: 7.39 ft. Includes: -Tools: Included assembly tools. Color/Finish: -Fenders: Body Colored Front & Rear Duck Tail Steel Fenders.-Chain guard: Body colored chain guard. Dimensions: -Handle bar: 29” Wide oversized chrome plated handle bar with tilt and telescope.-Wheels: 26” x 36” heavy duty stainless steel spokes with b

 8 Nautical Round Brass Sextant with Beautiful Wooden Box


8 Nautical Round Brass Sextant with Beautiful Wooden Box


$75.95


This nautical display, round sextant is made of brass. The sextant is about 8 wide and 3 tall. The sextant comes with its own nautical wood box. The box is about 8.5 wide and 4 tall. The sextant includes a moveable radial arm, telescope, mirror, colored light filters, and handle. This is a new item, made to look like an antique. Some imperfections are likely. This sextant is meant to be a display piece.

 AAA Power Green Laser Pointer for Astronomy - Constant On/Off


AAA Power Green Laser Pointer for Astronomy – Constant On/Off


$58


The Z-Bolt BTG-2S-P is constructed of high quality steel & brass components and includes an IR filter and glass lens for superior laser performance. Satin lined carry & gift case. Choice of three (3) tube finishes – navy blue, matte black, or brushed silver. Constant on/off click switch; telescope mountable; visible beam & five (5) mile range (at night). Add a Z-Bolt cable switch for remote activation.The BTG-2S-P features guaranteed Z-Bolt Certified Power for the brightest possible daylight dot; most visible nighttime beam. Each Z-Bolt Certifed Power green laser pointer is factory tuned & calibrated, then tested & certified on a laser power meter. These Certified Power units are rated at 4.0 to 5.0 mW power output and are 2 to 3 times brighter than standard Class IIIa units – all ship with our exclusive Laser Power Output Certificates.The BTG-2S-P includes our special APC control circuit. The computerized APC diode drive circuit features Automatic Power Control . This advanced circuit is based on a photo diode feedback loop. The photo diode monitors the optical output and provides a control signal for the laser diode, helping to maintain the diode operation at a constant optical output level. The circuit adds to the lifetime of the laser, prevents overheating, and provides overall power output stability & efficiency.

 AM 10x Telescope - 10x


AM 10x Telescope – 10x


$183.9


Detailed replica of classic campaign style telescope. Adjustable legs, brass accents. Magnifies 10X. Professional decorators love this vintage instrument.

 Adjustable Telescope Table Lamp


Adjustable Telescope Table Lamp


$215.95


ENZ1354: Features: -Table lamp.-Cream linen Brussels hardback shade.-Adjustable telescope lamp. Color/Finish: -Antique brass finish. Dimensions: -28” – 34” H x 16” – 17” W, 8 lbs. Warranty: -Manufacturer provides 1 year warranty on electrical products and 6 months warranty for finish.

 Adjustable Telescope Table Lamp


Adjustable Telescope Table Lamp


$247.95


ENZ1355: Features: -Table lamp.-Textured mocha linen sewn shade.-Adjustable telescope lamp. Color/Finish: -Antique brass finish. Dimensions: -28” – 34” H x 16” – 17” W, 8 lbs. Warranty: -Manufacturer provides 1 year warranty on electrical products and 6 months warranty for finish.


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