The atmosphere above us is constantly in motion, and it will distort the image seen through the telescope. defaultImage: '', entityId: 8711, Limited Warranty against defects in materials or workmanship for one year from date of purchase. sourceSelector:'' defaultImage: '', entityType: 'product' Capture breathtaking photos with our affordable astrophotography cameras. height: 160, }, { entityType: 'product' }, { 10 Inch Telescopes offer exceptional resolution and light gathering power for their size. For safe viewing of the sun through a telescope you need a solar filter. defaultImage: '', This is due to its unique design, whereby the majority of the product cost goes into its high-quality lens. }, { width: 90, layers: '15189' }, { 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. }, { Collimation cap entityId: 7816, 3/8" washers entityType: 'product' }, { }, { }, { height: 90, Standard achromatic refractors routinely use Crown and Flint for the two elements, but more expensive apochromatic refractors can use ED (extra low dispersion) glass for one or more of the lenses. layers: 'ap1670_12282012' Just set the XT10 Classic Dobsonian base down where you want to observe, bring out the reflector optical tube, and securely couple the tube to the base using the CorrecTension springs. Dust cap Compatible with Orion 4.5", 6", 8" and 10" Dobsonians. They have exceptionally fine optics and mechanics. Intermediate Level - These scopes offer higher performance and more advanced features than Level 1: Beginner models. }, { }, { defaultImage: '', We've kept our 10" Classic Dobsonian lean and mean to keep its price low for tight budgets. }, { width: 160, }, { sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=102958&isPDP=true', The astro-photographic capability of the telescope is based on the style, stability, and accuracy of the mount and tripod. The limiting stellar magnitude is a measure of the faintest star you can see through the telescope. Referring to the manual is recommended. width: 90, height: 200, entityId: 99816, Once aligned with the telescope, just turn on the EZ Finder II and peer through the sight's small circular viewing window so you see the red dot, and move the telescope until the red dot is on the object you want to see. }, { layers: 'Artimg-EnjoyAstro' The focal length is an inherent specification of a mirror or lens and is one of the factors in determining resultant magnification for a telescope (along with the focal length of the eyepiece being used). defaultImage: '', width: 160, Touch Screen Monitor, Elecrow 10.1 Inch Raspberry Pi Screen 1920X1080p HDMI VGA Portable To… This 10-inch Dobsonian telescope is very easy to use. sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=99816&isPDP=true', defaultImage: '', On a good night (a night where the air above is steady and the stars aren't twinkling), the practical upper limit of a large telescope is 300x, even thought the theoretical limit may be much higher. Note that the formula is independent of the telescope type or model, and is based only upon the aperture of the telescope. layers: 'VID258' }, { entityType: 'product' We use cookies and similar tools to enhance your shopping experience, to provide our services, understand how customers use our services so we can make improvements, and display ads. The Dobsonian telescope is known among amateur astronomers as the best way to get maximum aperture for your money hands down. Telescopes on either very lightweight mounts or non tracking mounts (such as Dobsonians) are capable of only very short exposures such as lunar photographs. entityType: 'product' width: 160, Use the two-inch focuser to sharpen your view and to ensure a perfectly clear view of different celestial objects. width: 160, Each colored filter brings out different details in the planets allowing for a totally different view. }, { 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. entityType: 'product' 5/16" washers width: 160, Hex key Typically in-stock items will ship first and backordered items will follow as soon as they are available. layers: '20565' entityType: 'product' entityId: 99590, }, { entityType: 'product' Dobsonian telescopes are constructed using a classic design and are built to last, fashioned with superior materials. The Dobsonian mount, popularized by John Dobson in the late 1970’s, is a very simple but effective method of mounting a Newtonian Reflector, based on the alt-azimuth principle. sourceSelector:'' You’ll get impressive views of the Moon and planets, along with deep sky objects like the Orion Nebula, while retaining a compact form factor. defaultImage: '', width: 90, entityType: 'product' defaultImage: '', entityType: 'product' width: 200, This doesn't mean the scope will never be able to reach those higher "theoretical" powers - there will be that rare night where the atmosphere is perfectly still and the scope can be pushed past it's practical limit, but those nights will be few and far between. layers: 'ap1245_652012' This is important to keep in mind when observing astronomical objects which require high resolution for best viewing, such as planets and double stars. height: 90, defaultImage: '', Included accessories may vary for 2nds, Substitutions may be made, CorrecTension system, 2" Focuser, 1.25" eyepiece adapter. Dob Pod attaches securely to the base of your compatible Orion Dobsonian reflector and raises the entire telescope a full foot upwards for more convenient and comfortable stargazing. sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=99861&isPDP=true', Larger EQ mounts that utilize very precise tracking and excellent stability are capable of longer exposure deep-sky photography. Reflector telescopes use a pair of large and small mirrors to direct incoming light to the eyepiece. }, { Right panel entityId: 8890, This model is the largest aperture in the range. sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=99813&isPDP=true', 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. }, { entityId: 99819, entityType: 'product' height: 160, height: 160, 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. sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=99799&isPDP=true', It is not intended to remove or restrict your other legal rights under applicable local consumer law; your state or national statutory consumer rights governing the sale of consumer goods remain fully applicable. Shop a variety of 10" telescopes … Weighs 3 lbs. The "theoretical" limit generally is 50x the aperture of the scope in inches (2x the aperture in mm). entityType: 'product' defaultImage: '', }, { A Dobsonian telescope offers the best value for money in terms of telescope purchase combining large apertures and ease of use, and the Bresser Messier 10 inch Dobsonian delivers this and more. height: 90, 4-inch aperture Maksutov-Cassegrain telescope provides excellent light-gathering ability at an affordable price. The focal ratio of an optical system is the ratio of a telescope's focal length to its aperture. Some are easy to use but are on the large or heavy side. div.kids_pdp h4 {margin: 0 0 2px 120px;} This charge varies based on the shipping method. height: 160, 1/4" washers height: 90, }, { Orion offers a rugged, fully padded case to fit just about every telescope we stock. Socket-head cap screws layers: '08890' width: 160, Your recently viewed items and featured recommendations, Select the department you want to search in, FREE Delivery on orders over £10 for books or over £20 for other categories shipped by Amazon, Stargazing with Celestron NexStar Telescopes, Celestron 11068 NexStar 6 SE Computerised Telescope. EZ Finder II reflex sight Any of these scopes will show you countless lunar craters, Saturn's rings and a myriad of star clusters and nebulas! div.kids_pdp p {margin: 0 0 0 120px;}. At Orion, we are committed to sharing our knowledge and passion for astronomy and astrophotography with the amateur astronomy community. entityId: 102958, height: 90, 10 Inch Dobsonian Telescope Buyer’s Guide. }, { }, { width: 90,

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