7mm - 9.9mm Telescope Eyepieces: These are ideal high magnification eyepieces for shorter focal length telescopes, and serve as good planetary, double star and lunar details units. The "angular diameter" of an object is defined as the angle an object makes (subtends) as seen by an observer. Orthoscopic and Plossl designs can provide a great quality image with a standard field of view, but may be difficult to use at higher powers while wearing glasses due to the short eye-relief. William Optics SWAN 5 items. 5% coupon applied at checkout. Read more to understand the basics and help your buying decision. Below there are sample equations and more detail… Specifically, With Eyepieces the mm Means… Ultra wide 62 degrees. Gosky Plossl. }, { Because we sell direct, we can offer you tremendous value at a great price. Sale. Celestron CrossAim 12.5 mm 1.25" Reticle Eyepiece - 93235. Models with a longer barrel (15mm, 32mm, 40mm) include a rubberized grip for non-slip handling during observing sessions. For deep sky observing in light-polluted areas this 1.25" Orion SkyGlow Broadband Telescope filter is perfect. A reviewer in Sky & Telescope said, ". This colorful edition explores the constellations with young readers, guiding them to dozens of galaxies, nebulae, and star clusters. The text has been developed to meet the scope and sequence of most university physics courses and provides a foundation for a career in mathematics, science, or engineering. 10.1mm - 15mm 66 items. Lightweight so it doesn't affect balance. The Orion E-Series Zoom eyepiece allows you to change magnification power without swapping out eyepieces. This is why 2-inch eyepieces can have much larger true fields than 1¼-inch eyepieces. Now an employee-owned company, we pride ourselves on an unswerving commitment to best quality products, value and unmatched customer care. In this book the author has brought together the experience of small telescope users to provide an insightful look into just what is possible. It is written for newcomers to astronomy and experts. The Orion Deluxe 6-Piece Optics Cleaning Kit contains everything you need to care for any optical surface. $628.00 New. defaultImage: '', Meade 7 Piece Telescope Eyepiece Lot. $314.99. Quantity: More Shipping Information. Order received after noon will ship the next business day. The edge-to-edge angular diameter of the image displayed in a binocular as seen by the eyes of the observer. so you'll continue to be the first
0 review. Atlas over de vigtigste galakser og nebuloser, som kan ses i teleskop af amatørastronomer. In this book, Sky & Telescope contributing editor Stephen James O'Meara presents a month-by-month selection of Scotty's columns along with insightful observations and warm recollections of his time with Scotty. 1.25" 6.mm 12mm 15mm 20mm 32mm and 40mm. entityType: 'product' With Dobsonians and short focal length refractors, this 15mm low power DeLite is an absolute delight to use, revealing broad star cloud vistas, open clusters, and large scale nebula remnants in all their glory. 15mm Orion Expanse Telescope Eyepiece. In the event the thumb screw holding the eyepiece in the focuser becomes slightly loose, the eyepiece will not fall out because the tip of the thumb screw will catch on the lip of the security groove. Provides a 65-deg apparent field of view, and 16mm . With a generous eye relief, enjoy a comfortable observing experience. All eyepiece elements are fully coated, with the outer lens multi-coated for additional light transmission. entityId: 102695, }, { Coatings help maximize the amount of light transmitted through each glass surface of a binocular, so as much light as possible reaches the observer's eyes to provide a bright and sharp image. The Vixen SLV 15mm Telescope Eyepiece delivers on outstanding clear field of view in a full metal body. Nice 13mm eye relief provides a comfortable . layers: '05660' Many people think that magnifying power is . {"clickFunction":"function() {$(\'#_widget746179047007\').widgetClass().scrollPrevious(\'#_widget746179047007\');}","widgetClass":"ButtonWidget"}, { defaultImage: '', Vixen NPL 9 items. }. (1) Total Ratings 1, $82.27 New. Included are the 6mm, 9mm, 15mm, and 20mm telescope eyepieces. Stars are pinpoint to the edge, with no significant aberrations noticed. The TeleVue family line of premium eyepieces continues . This is done for easy math and quick solutions to equations. }. Drop us an email at info@telescopesplus.com. Add to Wishlist. If purchased separately $199.96. It is a "delight" to use this eyepiece. }, {"clickFunction":"function() {$(\'#_widget746179047007\').widgetClass().scrollNext(\'#_widget746179047007\');}","widgetClass":"ButtonWidget"}, {"snapClosest":true,"bindings":{"bind0":{"fn":"function(event, pageNum) { PagedDataSetFilmstripLoaderWidget.loadPage(\'#relatedItems\', Math.floor(pageNum)); }","type":"scrollend","element":"#_widget746179047007_trigger"}},"unitSize":230,"widgetClass":"SnapToScrollerWidget","scrollSpeed":500,"scrollAmount":1150,"afterScroll":"","animateScroll":"true","beforeScroll":"","direction":"vertical"}, {"emptyItemViewer":"
","imageThreshold":5,"pages":10,"dataModel":{"imageWidth":90,"cacheEntitiesInRequest":false,"entityId":"133075","entityTypeId":"4","dataProviderWidget":"com.fry.ocpsdk.widget.catalog.dataproviders.RelatedItemsDataProviderWidget","imageHeight":90,"itemViewerWidget":"com.fry.starter.widget.viewers.ItemViewerWidget","direction":"vertical"},"pageSize":"4","widgetClass":"PagedDataSetFilmstripLoaderWidget","loadThreshold":1,"direction":"vertical"}, {"closeOnBackgroundClick":true,"bindings":{"bind1":{"fn":"function(event, startIndex, itemCount, newItems) { QuickLookWidget.assignEvents(newItems); $(\".Quicklook > .trigger\", newItems).bind(\"quicklookselected\", function(event, source, x, y) { OverlayWidget.show(\'#_widget746179047036\', event, source, x, y); }); }","type":"itemsloaded","element":".PagedDataSetFilmstripLoader > .trigger"},"bind0":{"fn":"function(){$.fnProxy(arguments,\'#_widget746179047036\',OverlayWidget.show,\'OverlayWidget.show\');}","type":"quicklookselected","element":".Quicklook > .trigger"}},"effectOnShowSpeed":"","dragByBody":false,"dragByHandle":true,"effectOnHide":"fade","effectOnShow":"fade","cssSelector":"ql-category","effectOnHideSpeed":"1200","allowOffScreenOverlay":false,"effectOnShowOptions":"{}","effectOnHideOptions":"{}","widgetClass":"OverlayWidget","captureClicks":true,"onScreenPadding":10}. width: 160, $4.90 shipping. 76mm dia with a 700mm focal length. . Take control of your telescope! width: 90, All Rights Reserved. defaultImage: '', sourceSelector:'' Delivers sharp images with good color correction and contrast. 15mm parfocal Ultra Flat Field eyepiece designed for 1.25" focusers. The touchstone for contemporary stargazers. This classic, groundbreaking guide has been the go-to field guide for both beginning and experienced amateur astronomers for nearly 30 years. entityId: 5660, For deep sky observing in light-polluted areas this 1.25" Orion SkyGlow Broadband Telescope filter is perfect. }, {"clickFunction":"function() {$(\'#_widget864758516007\').widgetClass().scrollNext(\'#_widget864758516007\');}","widgetClass":"ButtonWidget"}, {"snapClosest":true,"bindings":{"bind0":{"fn":"function(event, pageNum) { PagedDataSetFilmstripLoaderWidget.loadPage(\'#relatedCommunityItemsvideo\', Math.floor(pageNum)); }","type":"scrollend","element":"#_widget864758516007_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":"20095","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() {$(\'#_widget864758516022\').widgetClass().scrollPrevious(\'#_widget864758516022\');}","widgetClass":"ButtonWidget"}, { Delivers sharp images with good color correction and contrast SkyPortal App. Different eyepiece designs allow for a wide range of features, depending on the needs of the observer. defaultImage: '', layers: '05654' entityId: 99590, Good lenses are at least "fully coated," with a single layer of magnesium fluoride coating applied to each air-to-glass lens surface. You can find astrophotography "how to" tips and share your best astronomy pictures here. Visit the Orion Community Center for in-depth information on telescopes, binoculars, and astrophotography. "These are the features everyone looks for in a quality eyepiece, but the DeLites offered something more . Add to Wishlist. Parfocal refers to an attribute of an eyepiece set where little to no focusing is required when swapping out one eyepiece for another. layers: '05825' SVBONY Telescope Eyepiece 40mm 1.25 inches Plossl Telescope Lens Fully Multi Green Coated Metal 40 Degree Apparent Field 4 Element Telescope Accessory for Astronomy Telescope. The shorter the focal length of the eyepiece, the higher magnifications it produces. height: 90, SVBONY SV205 8MP USB3.0 Electronic Eyepiece Astronomy Camera for Astronomical Telescope - Black. 1.25" Standard Broad-observation focus lens. Rubber Grip for Safe and Comfortable Handling. Eyepieces have focal lengths, too — 25- or 10-mm, for example, and thus their own magnification. I am so impressed by this eyepiece. layers: 'Artimg-BBC_ChoosingAnEypiece' sourceSelector:'' You'll want more than one eyepiece, because eyepieces are how you control the magnification of your telescope. Click here to learn more. sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=101948&isPDP=true', For anyone who has ever dreamed of exploring the heavens with a telescope. Celestron's FREE planetarium app is an astronomy suite that redefines how you experience the night sky. 68 Degree Eyepieces 6/9/15/20 mm. OVERALL RATING: FAIR 15mm SWAN: The second shortest eyepiece in the series was better than the 9mm. Note: When using your telescope at different powers, you generally have a choice of a small, sharp, and bright image at lower magnification; or a larger, yet . width: 90, Check out our colorful catalog, filled with hundreds of quality products. }, { Found inside – Page 78Your eyepiece collection should be worth at least one-third of the cost of your telescope. ... I have used many of them, and here are some of my favorites: 35mm Panoptic by Tele Vue (2-inch barrel); 32mm to 15mm Plossls by Meade and ... It is an inherent specification for a given binocular design. defaultImage: '', You must have JavaScript enabled in your browser to utilize the functionality of this website. Orion's telescope and astrophotography accessories will enhance your telescope enjoyment without breaking the bank. Read our guide! layers: '05514' You calculate magnification by dividing the eyepiece focal length into the telescope's focal length. Fully multi-coated, 8-element lens design for excellent light transmission. The other half of the equation is the specifications of the eyepiece. Found inside – Page 141object is in the center of your viewing field in your main telescope . ... of your telescope is 1500 mm and you're using a 15mm eyepiece , you have 100 - power magnification , which means you're seeing your target 100 times larger than ... Because we sell direct, we can offer you tremendous value at a great price. The objective lens or mirror collects light and brings it to focus creating an image. Back Garden Astronomy - Choosing an Eyepiece, 1.25" Orion Basic Set of Four Color Filters, 1.25" Orion SkyGlow Broadband Eyepiece Filter, Orion Announces Acquisition of Meade Instruments, Orion Protecting U.S. Consumers (Updated June 1, 2021), telescope and astrophotography accessories, Money-saving set of all four Orion Expanse telescope eyepieces, Set includes 6mm, 9mm, 15mm, and 20mm focal length eyepieces for a variety of magnifications through any telescope, Each Expanse eyepiece boasts a wide, 66anddeg; apparent field of view for big, pleasing views, Each eyepiece has great eye relief so eyeglass wearers can view the entire field without removing their glasses, Expanse eyepieces are threaded for use with 1.25" eyepiece filters. A great tool for bringing out details in the planets and Moon is this 1.25" set of four Orion Color Telescope Filters. Long eye-relief designs have more elements and can be more expensive, but work very well with glasses, even at higher powers. With Dobsonians and short focal length refractors, this 15mm low power . The 1.25" 15mm TeleVue DeLite eyepiece weighs only 7.5 ounces. The premium four-element optical set is finished with multiple layers of high-transmission coatings for clear, sharp images. The blackened lens edges provide enhanced . Baader Planetarium Hyperion Universal Zoom Mark IV 8-24 mm Eyepiece Set. An excellent choice for medium power and wide field of views of objects such as the moon, planets, and deep sky objects. With so many varieties of eyepieces and add-on accessories available, you have plenty to choose from. Be the first to review this product. sourceURL:'/catalog/community_content_viewer_placeholder.jsp?productId=116479&isPDP=true', Anti-reflection fully multi-coated optics ensure bright and clear high-images at any magnification, with true color rendition. Wide 66deg apparent field of view lets you see more of the night sky thropugh your telescope. Waterproof design, to protect against fog and excess dew.
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