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ring_a_ring_a_bell – Buy with confidencehomenew arrivalsbest matchContact Us GEERTOP 90X Portable Astronomical Refractor Tabletop High Quality Telescope 360X50mm For Kids Sky Star Gazing Birds Watchingproduct description GEERTOP 90X Portable Astronomical Refractor Tabletop High Quality Telescope 360X50mm For Kids Sky Star Gazing Birds Watching MAGNIFICATION: 18X, 27X, 60X, 90X (6mm Eyepiece + Magnification = 60X; 6mm Eyepiece + Magnification with 1.5X Erecting Eyepiece = 90X; 20mm Eyepiece + Manification= 18X; 20mm Eyepiece + Manification with 1.5X Erecting Eyepiece = 27X).REFRACTION TYPE/ FOCAL LENGTH: 360mm, Aperture: 50mm. Luminous: 0.139,Object lens focus:360mm. Theoretical resolution: 2,800 arc seconds, which is equivalent to 1,000 meters can be seen 1.357 cm apart two objects.ALTITUDE-AZIMUTH MOUNTING. The high quality telescope is equipped with an altitude-azimuth mounting, can be moved vertically (altitude) and horizontally (azimuth).HIGH QUALITY OPTICAL GLASS LENS, metal optical tube, aluminum table top tripod & 3 eyepieces.IT IS A HIGH-POWERED TELESCOPE, suitable for entry-level amateur astronomers and children to explore land & sky!44 x 10 x 21 cm ; 798 g1 KgF36050It is a high-powered telescope, with good performance observation of celestial bodies, suitable for entry-level amateur astronomers and children. Different magnification eyepieces can make you free with observed at different distances and sizes objects . And the high quality telescope as the viewing mirror, can be upright image fully. As long as you have enough imagination, there will be more interesting and practical usefulness.
WHICH MAGNIFICATION?- SELECTING THE CORRECT EYEPIECE
The optimum magnification depends on what you are looking at. As a rule of thumb, the best image results from using a magnification, which is not more than 1.5X – 2.0X the diameter of the objective lens. For observation of moss heavenly bodies, a magnification of 75X – 100X can be achieved with a 50mm objective lens.
A lower magnification should be used for the observation of the stars. This provides a wider field of view and simplifies aiming the telescope at the desired object.
The maximum magnification should be used only for particularly clear objects such as the moon, which is relatively close to the Earth and very bright, permitting good resolution of details at high magnification.
ERECTING EYEPIECE
The 1.5X Erecting Eyepiece not only increases the magnification of telescope but also correct the direction of the image. For example, a telescope, which has a magnification of 60X, will have a magnification of 90X when a 1.5X Erecting Eyepiece is used. Moreover, when the telescope is used to view landscope, the erecting eyepiece can straighten out the image.
Package:
Main tube x 1
H20mm eyepiece x 1
H6mm eyepiece x 1
1.5X Erecting Eyepiece x 1
90 Zenith mirror x 1
33cm height Aluminum tripod x 1
Lens clothx 1
Color Box
About Payment Shipping Returns Contact Us About UsWe know how important it is for you to get what you ordered and get it fast. Our products are 100% authentic and brand new. We work with the biggest suppliers of high quality products to bring you only the best items. It is very important to us that we put our customers first and you will see this reflected in every transaction with us. We consider it a top priority that our customers are happy and in the rare event that they are not, we do everything we can to fix the situation. If there's a problem, just let us know and we fix it. We guarantee you only the best experience when shopping with us!PaymentCurrently we Only Accept PayPalWe can only deliver to PayPal registered address due to seller and buyer protection restrictions. Please make sure that your address is correct and legitimate as we might be compelled to charge postage on packages returned due to incorrect addresses.ShippingAll our stock ships from UK-based warehouses. We try our best to deliver the items within the time frames provided in our eBay listings. Unless stated otherwise, all orders will ship within 48 hours of your payment being received. In order to deliver the items to you swiftly and in a cost effective way we are using a range of couriers including but not limited to Royal Mail, DPD, Collect+, amazon logistics, My Hermes, UPS, TNT. Please be aware that your items might come from one of these couriers which we can guarantee to offer the best delivery times.All postage costs including FREE delivery are quoted for UK MAINLAND only. If you are living in any other area please contact us before placing the order.ReturnsWe offer a 30 day return/exchange policy for our products. You can choose refund or exchange if you are dissatisfied for any reason with your product. In case you would like to return an item we expect to receive it back in the original condition. Please get in touch with us beforehand so that we can provide you with a return label which contains return instructions and the store address.Please note that we will not be able to accept returns on Food items and Medicine unless there is an issues with the product. ContactIf you have any questions please contact us through eBay. Copyright © 2017 All Rights Reserved
Category: Cameras and Photography:Telescopes and Binoculars:Telescopes
Location: London
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