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1.25" 25mm BST Starguider ED eyepiece For Sale





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1.25" 25mm BST Starguider ED eyepiece :
$61.07

1.25'' 25mm BST Explorer Dual ED eyepiece Branded ''Starguider'' 1.25'' 25mm BST Explorer Dual ED eyepiece Branded ''Starguider'' Click images to enlarge Description LOWEST PRICE IN THE WORLD! BST Starguider 1.25" 25mm 60 degree ED eyepiece. We have been selling these since 2009 and are pleased to offer these outstanding eyepieces at the lowest price ever - and for the foreseeable future. 2 separate ED glass elements 60 degree field of view 16mm eye relief each air to glass surface fully multicoated - high contrast large 21mm eye lens sharp edge to edge performance blackened lens edges to minimise internal reflections capture ring nosepiece threaded for standard 1.25" filters wind up eyecups for comfortable viewing rubber clad body 181gm The eyepiece uses two separate ED (Extra-low Dispersion) glass elements of different glass types in its optical system to provide exceptional colour fidelity with astonishingly low levels of chromatic aberration) so that the true colour differences between binary star pairs and planetary surface details are easily visible. It has 60° field of view which is very flat. It is particularly recommended with telescopes with a f/5, or greater, focal ratio. It is uniformly sharp edge-to-edge, with markedly low astigmatism. Barrel distortion is essentially non-existent, eliminating annoying "goldfish bowl" effect of distortion of the image which is often seen in some eyepieces when panning across a starfield. Each air-to-glass surface in the Starguider ED eyepiece is fully multicoated (*see glossary of coatings) for high light transmission and exceptional contrast. This high contrast makes it a good choice for splitting close binary stars, for examining low contrast lunar and planetary detail, and for finding small and faint planetary nebulae against a truly dark sky background. The lens edges are blackened to eliminate internal reflections and further improve contrast. As you would expect, the chrome barrel is threaded for standard 1.25" filters and has a capture ring to help reduce the chances of accidentally dropping the eyepiece out of the focuser. Here is a schematic of the lens arrangement. Starguider ED eyepieces are parfocal, minimizing the amount of refocusing needed when changing eyepieces within the series. The eyepiece is set in heavy rubber cladding with is grooved for easy grip. It has a soft rubber twist up eyecup which will make it unbelievably convenient to those who wear spectacles. The colour coded body rings and clear lettering print will help you find the right one in the dark. The eye lens is 21mm in diameter so no squinting through a hole the size of a pinhead. It is the same eyepiece that has been sold under the Paradigm, Olivon and Orion brands and often for considerably more. Glossary about coatings fully coated: all air-to-glass surfaces are anti-reflective coated with a single-layer coating. Plastic lenses, however, if used, may not be coated multi-coated: one or more surfaces have anti-reflective multi-layer coatings. fully multi-coated: all air-to-glass surfaces are anti-reflective multi-layer coated. Why buy from us? Have a look at our feedback on Ebay and comments on the Stargazers Lounge Forum. You will see the common theme is that we communicate well. Before a sale, during the procession of the transaction and after you have purchased your item you have access to a telephone number and email address under Business Information Section as well as through Ebay, all connected to a human being who knows what you have been sold. we will do our utmost to make things as smooth as possible for you - especially if you are new to astronomy or Ebay, we all had to start at sometime. There is no such thing as a silly question - only the one you don't ask. Feel free to contact us with any enquiry knowing that we will treat you courteously and respectfully as we hope you will want to come back to us if you choose to make further purchases. We will not leave you in the dark! Skies Unlimited is the Ebay trading name of "Sky's the Limit". Payment Please pay as soon as possible after the auction and we will get the items to you with minimum of delay. We usually get goods on the way within 24 hours (weekends excepted). Paypal is the quickest way to pay. We accept Postal Orders, Bank drafts and Building Society cheques and deal with them like cash so your goods are dispatched as soon as we have the payment. Please do not send cash through the post. Terms of Sale All goods, unless otherwise stated, are brand new and in first class condition. Compliments may be made at any time. About Us Sky's the Limit have been trading on Ebay since 2004. Our aim has always been to: Provide quality goods at the best price possible To treat our customers as we would only dream of being treated ourselves We work hard to maintain a 100% satisfaction rating and in order to achieve this, should anything not be quite as you expected it to be, all we ask is that you give us a chance to put it right. If something is faulty, we will put it right at our expense with all shipping costs refunded in full. You will not be out of pocket. If you change your mind or ordered the wrong thing you can return it within 30 days preferably with all packaging, inner and outer, for a refund. The cost of all shipping will be your responsibility. These are in addition to your statutory rights. Contact Us Please feel free to contact us through Ebay messages.
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