}, { Reflector mirrors are made from glass with different levels of thermal expansion. height: 160, You will still get a high-quality telescope it will only have fewer beneficial features than the more expensive one. }, { }, { height: 160, entityType: 'product' layers: '08897' height: 160, The atmosphere above us is constantly in motion, and it will distort the image seen through the telescope. Counterweight for Atlas & Sirius Mounts, 11.63" ID Orion Full Aperture Solar Filter, Baader MPCC Mark III Multi-Purpose Coma Corrector, Orion Dynamo Pro 155Wh AC/DC/USB Lithium Power Supply, telescope and astrophotography accessories, This affordable 10" astrograph is ideal for capturing stunning deep-sky astrophotos, Fast f/3.9 focal ratio provides swift wide-field imaging performance, Enhanced reflectivity aluminum coatings on primary and secondary mirror provide 94% reflectivity, Sturdy 2" dual-speed low-profile Crayford focuser permits ultra-fine focus with 11:1 ratio, Extended tube length of 7.5" in front of the focuser blocks peripheral light, optimizing image contrast. Orion's Telescope Buyer's Guide is a great place to start. 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. width: 160, Any of these scopes will show you countless lunar craters, Saturn's rings and a myriad of star clusters and nebulas! Read our 101 article or get in touch. Works visually or photographically, and the top is tunable to optimize the performance with any eyepiece and telescope combination. The ridged focusing knobs are easy to turn, even with gloves on, and the 10:1 microfocusing dial allows for very small changes, or tweaks, in focus. defaultImage: '', width: 90, layers: 'Artimg-Choose_Scope_Astronomy_square' }, { sourceSelector:'' We only send interesting emails and will never sell your data. Free Contiguous US Shipping. }, { defaultImage: '', width: 160, sourceSelector:'' Besides the optics, the focuser is one of the most important components of the telescope system, and that is … Powers below this can still be reached with the telescope to give wider fields of view, but the image no longer becomes brighter at a lower power. The mirrors are made from B270 white water optical crown glass, which is more thermally stable than glass traditionally used on other reflectors. Limited Warranty against defects in materials or workmanship for one year from date of purchase. entityType: 'product' I did get the telescope collimated, happy with that. The parabolic mirrors are ground from borosilicate glass and fully multi-coated for bright, sharp images. defaultImage: '', height: 160, }, { entityType: 'product' entityId: 101515, defaultImage: '', Powered by Shopify, TPO 10" f/4 Newtonian Reflecting OTA Telescope, White rolled steel exterior, flat black interior for higher contrast, Dual hinged rings with Vixen-style dovetail. sourceSelector:'' }, { }, { If you can’t afford a telescope that costs more than a thousand dollars you can find many models that cost half as much. Out of Stock. sourceSelector:'' sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=101346&isPDP=true', defaultImage: '', and special offers. height: 160, }, { }, { Designed for astrophotography with telescope focal ratios ranging from f/3.5 to f/6, this Coma Corrector delivers tack-sharp stars across a 35mm frame size. }, { The Tele Vue Paracorr type 2 coma corrector eliminates or reduces coma in reflector telescopes as fast as f/3. Start Chat entityId: 99818, The 1.25" Universal Camera Adapter allows attachment of a camera body to a reflector or refractor telescope for either prime-focus or eyepiece-projection photography. defaultImage: '', entityId: 99799, The 3.3-inch opening steps down to a 2-inch compression ring adapter, and you will receive 1.25-inch compression ring adapter so that you can make use of all your eyepieces. sourceSelector:'' defaultImage: '', width: 160, entityId: 24770, This 11lb counterweight is made specifically for the Orion Atlas and Sirius telescope mounts. }, { Haven't actually been able to use it yet, too cloudy. }, { sourceSelector:'' Our largest reflector optimized for astrophotography boasts 10" parabolic primary optics with a very fast f/3.9 focal ratio for exceptional wide-field, deep-space imaging performance. entityType: 'product' layers: 'Artimg-ObservMoon' layers: 'ap781_952011' layers: 'ap1689_1312013' This 10” Newtonian telescope has a 1000 mm focal length and an f/4 focal ratio. }, { Use this complete autoguiding solution to add tracking accuracy to any astrophotography set-up. sourceSelector:'' width: 160, The ocular has a non-illuminated crosshair and has 13 mm of eye relief. sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=101515&isPDP=true', So the larger the telescope's aperture, the more it is capable of resolving. Collimation cap You’ll get incredibly bright, crisp images that will make apo refractor aficionados green with envy - and you’ll have more green in your wallet thanks to this telescope’s more-affordable Newtonian design. Referring to the manual is recommended. entityType: 'product' Submit astronomy articles, events, & reviews, and even become a featured Orion customer! This 13" Orion Dovetail Mounting Plate allows you to couple telescope optical tubes to AstroView, SkyView Pro, Sirius, and Atlas equatorial telescope mounts. entityId: 102125, layers: 'ap778_932011' entityType: 'product' sourceSelector:'' entityType: 'product' These scopes offer higher performance and more advanced features than Level 1 Beginner models. entityId: 102109, defaultImage: '', Add description, images, menus and links to your mega menu, A column with no settings can be used as a spacer, Link to your collections, sales and even external links. Our Price: $519.00. They have exceptionally fine optics and mechanics. sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=101702&isPDP=true', layers: '11_Intro-telescopetypes' 2 Die-cast hinged tube rings Both the 10" (254mm) primary and secondary mirror feature enhanced reflectivity (94%) aluminization for bright, contrast-rich images. }, { }, { entityId: 8897, So for example, an 80mm refractor is capable of 160x, and a 10" telescope is theoretically capable of 500x magnification. The diagonal mirror is held in place with a thin four-vane spider. }, { }, { entityType: 'product' entityType: 'product' defaultImage: '', }, { height: 160, height: 160, }, { Out of Stock . Advanced Level - These scopes provide the best performance but may require more skill to master and appreciate. sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=99894&isPDP=true', 9x50 Finder scope and bracket }, { 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' entityId: 99823, Cassegrain telescopes routinely use spheres in addition to other lenses in the optical path to correct for residual spherical aberration. layers: 'VID018-IntroUseMoonFilters' height: 160, width: 90, sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=99810&isPDP=true', layers: 'Artimg-ObservPlanets'
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