A motor drive automatically moves the telescope in right ascension at the same rate as the east-west drift of the stars so stars can be continuously tracked in the eyepiece without manual adjustment. height: 160, This means you will be having sharpest and very clear images of stars, clusters, galaxies, and various planets as well . Referring to the manual is recommended. By signing up for email, you agree that Orion has the right to use your data for such purpose. senders list, address book or contact list. }, { The Orion AstroView 120ST EQ Refractor has a big 120mm (4.7") clear aperture for great light gathering and big, bright views. And you can adjust the amount of light transmission for the perfect view. But with its short focal length and generous 120mm aperture, our popular Orion AstroView 120ST (ST for "Short Tube") Equatorial Refractor Telescope takes refractor usage to new depths - as in deep sky! height: 160, }, { Advanced Level - These scopes provide the best performance but may require more skill to master and appreciate. }, { This telescope was clearly designed by someone who loves refractor telescopes and has made their love of them apparent. Very good optical and mechanical quality. sourceSelector:'' height: 160, Years ago, I had an f/5 150mm Orion Newtonian reflector on an EQ mount. sourceSelector:'' The Orion Shorty Barlow Lens doubles the power of any telescope eyepiece. Weighs 36.5 lbs. defaultImage: '', Getting a good professional telescope might not be an easy job since not every other telescope in the market is not the right one. layers: '08711' £18.99 delivery. }, { It may also be purchased with just the OTA (Optical Tube . }, { The Orion 9005 AstroView 120ST Equatorial Refractor Telescope prevails with regards to giving a clear perspective on far off star bunches, cosmic systems, and nebulae. so you'll continue to be the first "Diffraction Limited" means that the limits of image detail are determined by the physical properties of light, and not by optical defects in the telescope. For complete warranty details contact us at sales-eu@telescope.com. View on eBay Orion 9005 AstroView 120ST Equatorial Refractor Telescope. height: 90, Ptolemy -- Copernicus -- Tycho Brahe -- Galileo --Kepler -- Isaac Newton -- Flamsteed -- Halley --Bradley -- William Herschel -- Laplace -- Brinkley --John Herschel -- The Earl of Rosse -- Airy -- Hamilton -- Le Verrier -- Adams. Orion AstroView 120ST Equatorial Refractor Telescope. Orders received by 5pm UTC for in-stock items ship the next business day. Either way, this telescope is going to be able to give you stellar views. Orion 9005 AstroView 120ST Equatorial Refractor Telescope, Orion 9005 AstroView 120ST Equatorial Refractor Telescope Image. Finder telescope bracket with O-ring }, { However, the large primary lens (4”+) and the low focal ratio means that it is going to perform best while viewing deep space objects. layers: '15164' Great for families, young people, and folks who don't want to mess with equipment but just want to take a look. width: 90, entityType: 'product' The Orion AstroView 120ST EQ Refractor has the same 120mm (4.7") clear aperture as our SkyView Pro 120mm EQ refractor, but the 120ST's multi-coated achromatic objective lens has a short focal length of just 600mm (f/5) compared to 1000mm (f/8.3) for the SkyView Pro 120mm model. Short focal ratios (f/5, f/4.5) produce wide fields of view and small image scales, while long focal lengths produce narrower fields of views and larger image scales. Features easy installation on many Orion refractor telescopes, and includes an 11:1 fine focus reduction gear for all your visual and astrophotographic needs. entityId: 109892, It comes with an internal polar alignment scope which makes aligning the telescope easier than ever by taking a lot of the guesswork out of it. entityId: 112059, This effect may not be noticeable at lower powers, but at higher powers the atmosphere will dramatically blur the object, reducing the quality of the image. height: 90, Since 1975 Orion Telescopes & Binoculars has been offering telescopes for sale direct to customers. layers: '08890' This special edition has been designed specifically for aspiring astronomers living south of the equator. This book explores the planets, stars, galaxies and nebulae observable from the southern hemisphere. entityId: 110851, entityType: 'product' entityId: 112574, 10mm Sirius Pl�ssl telescope eyepiece (1.25") defaultImage: '', Telescopes on either very lightweight mounts or non tracking mounts (such as Dobsonians) are capable of only very short exposures such as lunar photographs. total (optical tube 8 lbs., 9 oz. defaultImage: '', width: 160, Capture breathtaking photos with our affordable astrophotography cameras. You can look at the Crab Nebula or Mars. Orion AstroView 120ST Equatorial Refractor Telescope. layers: 'Artimg-Choose_Scope_square' layers: '13032' The "theoretical" limit generally is 50x the aperture of the scope in inches (2x the aperture in mm). layers: '20040' All the reasons to this “Why” are mentioned in the review below. This telescope is not a beginner’s scope. layers: 'Artimg-ApparentField' width: 90, Sent from and sold by Orion Telescopes and Binoculars. The 120ST refractor telescope's achromatic objective lens has a short focal length of just 600mm (f/5) for exceptional rich-field performance. entityId: 131435, Tripod accessory tray It is clear that a lot of love and attention went into crafting this upgraded refractor telescope. Slow-motion control cables sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=112574&isPDP=true', Upgrade your old refractor using this Orion 2" dual-speed Crayford focuser. width: 160, The Orion Astroview 120ST is a solid refractor telescope for the price, with a decent combination of versatility and portability. }, { But after approximately 300x, theory breaks down and real world problems take over. }, { How To Use Orion Moon Filters and Variable Polarizing Filter, Choosing a Telescope for Astronomy - The long version, Short Tube vs Long Tube- What's the Difference, Orion 1.25" Premium Telescope Accessory Kit, 1.25" Orion SkyGlow Broadband Eyepiece Filter, Orion 2" Dual-Speed Crayford Refractor Telescope Focuser, 5.81" ID Orion Full Aperture Solar Filter, 7.5mm 12.5mm Set Sirius Plossl Eyepieces, Orion AccuFocus Electronic Telescope Focuser, telescope and astrophotography accessories, Wonderful wide-field refractor telescope for viewing deep-sky objects with crisp resolution, 120mm (4.7") aperture and 600mm focal length refractor provides sharp views of nebular clouds, star clusters, and galaxies, Also capable of achieving pleasing views of the Moon and bright planets, Includes sturdy adjustable-height tripod, equatorial mount for manual slow-motion celestial tracking and an internal polar alignment scope for precision performance, Includes two Sirius Plossl 1.25" eyepieces (25mm and 10mm), 6x30 finder scope, smooth 2" rack and pinion focuser, 90-degree mirror star diagonal, and Starry Night astronomy software. entityId: 109985, With the included 25mm Plossl, the AstroView 120ST refractor covers a sprawling 2.1° swath of sky - enough to display the entire Double Cluster of Perseus, Pleiades Cluster, or North America Nebula! The . This book is a small effort in awakening the scientist in you, to energize you, excite you to be awed by our beautiful universe. Keep looking up! entityType: 'product' defaultImage: '', Orion 05662 1.25-Inch . height: 90, Usually dispatched within 3 to 4 days. layers: '07395' It is a refractor telescope which has 120mm aperture along with a good focal length of 600mm. Flat-head screwdriver key Product Name: Orion 9005 AstroView 120ST Equatorial Refractor Telescope, Product Description: Orion Refractor Telescope. sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=111848&isPDP=true', height: 160, It provides an easy way to transport and store your telescope. £29.99. Since telescopes come in all shapes and sizes, the eyepiece height will vary, even when using the same tripod. An included polar-axis scope will allow you to achieve polar-alignment quickly and accurately, and manual slow-motion controls let you center objects and track them with minimal effort. Telescope Reviews / By Lee. layers: '08727' Orion's telescope and astrophotography accessories will enhance your telescope enjoyment without breaking the bank. Attach the Orion EQ-3M Dual-Axis Electronic Telescope Drive to a compatible Orion or Celestron equatorial mount and you can track celestial objects automatically, without needing to touch the mount once you've found and centered the object. }, { It is very durable and includes a 2"-1.25" adapter so you can use all your 1.25" and 2" eyepieces. But anyone with the slightest technical bent will have no problem getting familiar with these models. Orion 120mm, f/5 refractor telescope optical tube assembly With the included 25mm Plossl, the . 7.3 lb counterweight }, { }, { The book that taught thousands of people about astrophotography has been completely revised and updated in this second edition. See it . entityId: 110749, defaultImage: '', It has a large aperture, a mount built for object tracking, multiple counterweights for balance, an internal polar axis finder, and fully coated optics throughout. }, { Found inside – Page 94Orion's AstroView 120, a 4.7-inch f/8.3 achromatic refractor from Synta, has attracted a good amount of attention ... The AstroView 120ST puts a 4.7-inch f/5 optical package into a sleek-looking, black metal tube that includes all of ... Other than that, the Orion 9005 AstroView 120ST Equatorial Refractor Telescope is not recommended for beginners since it is a professional telescope with slightly complicated features and would not be good for a novice. The Orion 120ST (Short Tube) is a 120mm achromatic, f/5 refractor. If you have a large accessory collection for refractors or have a cheaper base model refractor that you can’t get enough of and you want to take the next step, this is an excellent next step. }, { The highest practical limit is different from the often used "highest theoretical magnification" specification. }, { }, { }, { It has a ton of quality of life upgrades that only those who have used a refractor telescope for a long time are going to truly appreciate it. When Was the First Space Satellite Launched. Now an employee-owned company, we pride ourselves on an unswerving commitment to best quality products, value and unmatched customer care. It is one of the beefiest refractors on the market and it comes with a whole host of upgrades that most manufacturers don’t bother putting on their refractor models. height: 90, height: 160, Orion offers a rugged, fully padded case to fit just about every telescope we stock. height: 160, sourceSelector:'' height: 160, The refractor telescope optical tube measures just 26" long including the dew shield, so it earns high marks for portability. defaultImage: '', entityType: 'product' The 120ST refractor telescope's achromatic objective lens has a short focal length of just 600mm (f/5) for exceptional rich-field performance. width: 90, width: 160, layers: 'VID183' defaultImage: '', Heavy-duty and water-resistant, and fits the AstroView 6 EQ, AstroView 120ST EQ and SpaceProbe 130EQ. to hear about our new products entityId: 111869, width: 160, width: 90, It has the same 120mm (4.7") clear aperture as the standard Orion AstroView 120, but the 120ST's multi-coated achromatic objective lens has a focal length of just 600mm (f/5) compared to 1000mm . The AstroView 120ST Equatorial Refractor Telescope includes a FREE Special Edition download of Starry Night astronomy software. The touchstone for contemporary stargazers. This classic, groundbreaking guide has been the go-to field guide for both beginning and experienced amateur astronomers for nearly 30 years. The cast-metal 2" rack-and-pinion focuser with included step-down 2"-to-1.25" adapter accommodates either a 1.25" or 2" diagonal, so you can use optional 2" gear for an even dreamier wide-field effect! Buy the AstroView 120ST Equatorial Refractor Telescope by Orion on Amazon through the exclusive link below and get free shipping with Prime. The 120ST is the crown jewel of the AstroView line, which includes the AstroView 6 and AstroView 90mm scopes. }, { {"closeOnBackgroundClick":true,"bindings":{"bind0":{"fn":"function(){$.fnProxy(arguments,\'#headerOverlay\',OverlayWidget.show,\'OverlayWidget.show\');}","type":"quicklookselected","element":".ql-thumbnail .Quicklook .trigger"}},"effectOnShowSpeed":"1200","dragByBody":false,"dragByHandle":true,"effectOnHide":"fade","effectOnShow":"fade","cssSelector":"ql-thumbnail","effectOnHideSpeed":"1200","allowOffScreenOverlay":false,"effectOnShowOptions":"{}","effectOnHideOptions":"{}","widgetClass":"OverlayWidget","captureClicks":true,"onScreenPadding":10}, {"ensembleSEOTranslationTypes":"ensemble","widgetClass":"BreadcrumbWidget","productSEOTranslationTypes":"product","categorySEOTranslationTypes":"category|section,category,thumbnail","delimText":"","catalogSEOTranslationTypes":"catalog","showCatalog":false}, { If you are looking for a refracting telescope as a great family hobby, the Orion AstroView 120ST Equatorial Refractor Telescope gives hours of fun and entertainment. width: 90, entityType: 'product' There is an internal polar alignment scope as well for further precision performance. }, { Orion 9005 AstroView 120ST Equatorial Refractor Telescope. Refractor telescopes have long been touted as great optical instruments for studying the planets and Moon. }, { sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=112067&isPDP=true', height: 90, height: 90, width: 160, defaultImage: '', Included are the 7.5mm and 12.5mm telescope eyepieces. width: 90, entityType: 'product' defaultImage: '', Features. }, { }, { defaultImage: '', sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=110740&isPDP=true', sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=110749&isPDP=true', The EQ-3M Single-Axis Orion Electronic Telescope Drive provides regulated sidereal-rate tracking in right ascension when attached to your equatorial mount. All of these upgrades come at a very high cost but if you are in the market for a telescope that has no weak spots or downsides and are willing to spend a large upfront sum for …. }, {"clickFunction":"function() {$(\'#_widget1796594267077\').widgetClass().scrollNext(\'#_widget1796594267077\');}","widgetClass":"ButtonWidget"}, {"snapClosest":true,"bindings":{"bind0":{"fn":"function(event, pageNum) { PagedDataSetFilmstripLoaderWidget.loadPage(\'#relatedCommunityItemsarticle\', Math.floor(pageNum)); }","type":"scrollend","element":"#_widget1796594267077_trigger"}},"unitSize":200,"widgetClass":"SnapToScrollerWidget","scrollSpeed":500,"scrollAmount":600,"afterScroll":"","animateScroll":"true","beforeScroll":"","direction":"horizontal"}, {"emptyItemViewer":"
","imageThreshold":3,"pages":2,"dataModel":{"imageWidth":160,"cacheEntitiesInRequest":true,"isCommunityRelated":"true","entityId":"112650","entityTypeId":"4","relationTypeId":"17","dataProviderWidget":"com.fry.ocpsdk.widget.catalog.dataproviders.RelatedEntitiesDataProviderWidget","imageHeight":160,"itemViewerWidget":"com.fry.starter.widget.viewers.ItemViewerWithQuickLookWidget","isPDP":"true","direction":"horizontal"},"pageSize":4,"widgetClass":"PagedDataSetFilmstripLoaderWidget","loadThreshold":1,"direction":"horizontal"}, {"clickFunction":"function() {$(\'#_widget1796594267122\').widgetClass().scrollPrevious(\'#_widget1796594267122\');}","widgetClass":"ButtonWidget"}, { }, { Starry Night Special Edition astronomy software download card. entityId: 131718, Recommendation: USD $419.99 419.993 + no tax + Free shipping. Different Parts of Binoculars and Their Functions, What Constellations Are Visible With The Naked Eye. This is important to keep in mind when observing astronomical objects which require high resolution for best viewing, such as planets and double stars. Learn how to spot planets, galaxies, and nebulas in our Universe, as mind-blowing patterns in the sky are revealed in unprecedented detail. Star Finder! is the complete guide for aspiring astronomers and rising stars everywhere. Refractors use a series of lenses to provide a clear image. With the included 25mm Plossl, the AstroView 120ST refractor covers a sprawling 2.1° swath of sky - enough to display the . Please send me email about sales, new products, and astronomy. A diagonal "bends" the light path of a telescope so you can enjoy the view without having to contort yourself into awkward positions to peer into the eyepiece. Adopted as the official book of the International Year of Astronomy (IYA) 2009, this stunningly illustrated history of telescopic discovery spans the range from the first telescopes via the Hubble Space Telescope to next generation ... width: 160, A lot of work went into this telescope to gain ground that refractors usually lose to reflectors, especially at this price point. Once a simple alignment process is completed, just peer through the finder scope and move the telescope until the cross hairs are centered on the object you want to see. The limiting stellar magnitude is a measure of the faintest star you can see through the telescope. If you're new to stargazing with a small telescope, this book is your introduction to the stars! div.kids_pdp img.Fleft {float: left;width: 100px;margin: 0 20px 0 0;} width: 160, Tripod legs }, { width: 90, sourceSelector:'' They have exceptionally fine optics and mechanics. The only moon reference you'll need at the telescope! Would you like more contrast and less glare while viewing the moon and bright planets? 6x30 finder scope width: 160, }, { sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=110741&isPDP=true', These are upgrades and details that you just don’t see in refractor kits these days and the targeted audience is clear. The focal ratio of an optical system is the ratio of a telescope's focal length to its aperture. }, { }, { }, { }, { height: 160, defaultImage: '', This telescope also fares best when you have a good grasp of equatorial and polar alignment schemes. defaultImage: '', Glass with Pyrex or other low thermal expansion material will not change shape as dramatically during the cool-down period, resulting in more stable images during this period. 25mm Sirius Pl�ssl telescope eyepiece (1.25") Every amateur astronomer will want a copy of this! -The only book to provide all the observational information needed for field use by deep-sky observers! -Large-format, full-colour spreads for ease of use. height: 90, Some mounts are compatible with a motorized Go-To system for fully automated computer finding of objects in the night sky. defaultImage: '', And when you're stargazing, Orion's telescope cases and covers, observing gear, red LED flashlights, astronomy books and star charts will make your observing sessions more convenient, comfortable and meaningful. One of the 25mm while the other is for even more magnification and is 10mm in size. layers: 'Artimg-WhatWillYouSee' The 2" Orion Dielectric Mirror Star Diagonal boasts 99% reflectivity giving you very bright images. Good lenses are at least "fully coated," with a single layer of magnesium fluoride coating applied to each air-to-glass lens surface. entityType: 'product' Binoculars with larger objective lenses are recommended for low light situations, and binoculars with at least 50mm or larger objective lenses are recommended for pleasing astronomical observations at night. layers: 'ap1843_7172013' The Orion AstroView 120ST EQ Refractor has a big 120mm (4.7") clear aperture for great light gathering and big, bright views. height: 160, sourceSelector:'' This is due to the fact that the exit pupil of the telescope (the beam of light exiting the eyepiece) is now larger than the average person's dark adapted pupil, and no more light can fit into the eye. height: 160, Reproduction of the original: Pleasures of the telescope by Garrett Serviss A 90° 1.25" mirror star diagonal provides a comfortable angle at night and yields bright views. }, { Lucky Starr and Bigman Jones journey to the remote moons of Jupiter to find the spy who is leaking the vital secrets of the hyperatomic engines of a prototype spaceship to the enemy Sirians These are all pretty good - the Plossls are arguably all you need with a scope like this due to its large amount of chromatic aberration at high powers and its super short focal length . width: 160, Orion 9005 AstroView 120ST Specs. layers: 'Artimg-Scope_Buyer_Guide_square' layers: '' If you love refractor telescopes then you are going to love the Orion 9005 AstroView 120ST Equatorial Refractor Telescope. The latitude range refers to the usable range on the EQ mount's latitude axis. sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=110921&isPDP=true', For binoculars, the optical diameter (also known as objective lens diameter) is the size of each of the front-facing objective lenses of a binocular measured in millimeters. height: 160, }, { This neutral-density eyepiece filter reduces glare so you can see more detail and surface features. entityId: 110719, sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=112059&isPDP=true', This pairs nicely with the slow motion enabled mount which allows for accurate and slow tracking of celestial objects. We can say that it is slightly expensive, but then it gives you everything which you would be needing and it won’t bother you with any sort of issues as well. }, {"clickFunction":"function() {$(\'#_widget1796594267052\').widgetClass().scrollNext(\'#_widget1796594267052\');}","widgetClass":"ButtonWidget"}, {"snapClosest":true,"bindings":{"bind0":{"fn":"function(event, pageNum) { PagedDataSetFilmstripLoaderWidget.loadPage(\'#relatedCommunityItemsvideo\', Math.floor(pageNum)); }","type":"scrollend","element":"#_widget1796594267052_trigger"}},"unitSize":200,"widgetClass":"SnapToScrollerWidget","scrollSpeed":500,"scrollAmount":600,"afterScroll":"","animateScroll":"true","beforeScroll":"","direction":"horizontal"}, {"emptyItemViewer":"","imageThreshold":3,"pages":2,"dataModel":{"imageWidth":160,"cacheEntitiesInRequest":true,"isCommunityRelated":"true","entityId":"112650","entityTypeId":"4","relationTypeId":"20","dataProviderWidget":"com.fry.ocpsdk.widget.catalog.dataproviders.RelatedEntitiesDataProviderWidget","imageHeight":160,"itemViewerWidget":"com.fry.starter.widget.viewers.ItemViewerWithQuickLookWidget","isPDP":"true","direction":"horizontal"},"pageSize":4,"widgetClass":"PagedDataSetFilmstripLoaderWidget","loadThreshold":1,"direction":"horizontal"}, {"clickFunction":"function() {$(\'#_widget1796594267077\').widgetClass().scrollPrevious(\'#_widget1796594267077\');}","widgetClass":"ButtonWidget"}, { }, { }, { and special offers. So the larger the telescope's aperture, the more it is capable of resolving. Accessory tray bracket defaultImage: '', Some initial assembly may be required. Standard mirrors are made from material such as Soda-Lime Plate glass and BK-7 glass. }, { }, {"clickFunction":"function() {$(\'#_widget1796594267122\').widgetClass().scrollNext(\'#_widget1796594267122\');}","widgetClass":"ButtonWidget"}, {"snapClosest":true,"bindings":{"bind0":{"fn":"function(event, pageNum) { PagedDataSetFilmstripLoaderWidget.loadPage(\'#relatedItems\', Math.floor(pageNum)); }","type":"scrollend","element":"#_widget1796594267122_trigger"}},"unitSize":230,"widgetClass":"SnapToScrollerWidget","scrollSpeed":500,"scrollAmount":1150,"afterScroll":"","animateScroll":"true","beforeScroll":"","direction":"vertical"}, {"emptyItemViewer":"Surrey Wedding Planners, Warzone Skill-based Matchmaking, Harrods Click And Collect, Hp Pavilion Keyboard Replacement, World Lion Day Activities, Celestron Advanced Gt Mount, Coventry University Academic Regulations, Best Italian Lakes For Families,
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