Made of FPL51 and Schott glass, the Quattro … I am particularly interested in learning if the optics are good and if … 8-inch or 10-inch apertures with steel tubes and knife-edge ray traced baffles. This 8” SkyWatcher Quattro … Sky-Watcher - The worlds largest telescope manufacturer. One of the main advantages is that the focus remains unchanged and completely stable overnight, you will not need to re-focus. 4 ball bearings and a stainless steel support rail provide you with an extremely accurate and stable focuser. Sky Publishing Sky & Telescope's Star Wheel, Willmann-Bell Atlas Uranometria 2nd Edition 3 Book Set, Sky Publishing Sky Atlas 2000.0, 2nd Edition Deluxe Laminated Version. Everything is perfectly sharp, and you can lock the entire focuser with just one central screw. The checked products will be added to your shopping cart when clicking on 'buy'! Describes the exact construction of the particular mount and thereby further subdivides the different types of mount. Before buying this product, make sure to check our accessory recommendations. Carbon Fibre Tube Carbon fibre is a strong and lightweight material and has much better thermal stability compared to a steel tube. The f/4 optical system allows the user to capture wide field images of faint deep space objects such … Is the ratio of the aperture to the focal length of a telescope. The 'fast' f4 aperture ratio allows you to capture extensive detail in your astrophotos - even when using short exposure times. - Show less accessories in this category. Carbon Fibre Tube Carbon fibre is a strong and lightweight material and has much better thermal stability compared to a steel tube. February 13, 2017 SimonTodd 1 Comment. Imaging telescopes made of less thermally stable material can deviate from optimum focus after long time exposures. Even here, Quattro OTAs are an excellent choice as the large amount of light available for photography and the ultra short construction are great advantages even with smaller mounts. The SkyWatcher Quattro 8 is a fast f/4 Newtonian with extra features that make it a really nice OTA for imaging as well as wide field visual observations with the addition of its dedicated coma corrector (sold separately). Not only beautiful, but also useful: the tube of this Quattro telescope is made of carbon fibre. Telrad - projection finder scope with base, noctutec Dark adaptation glasses for astronomers, Omegon Newton adjusting laser 1,25'' (inspection window), Omegon Ultra Wide Angle eyepiece 9mm 1,25", Omegon Ultra Wide Angle eyepiece 15mm 1,25", Omegon Ultra Wide Angle eyepiece 20mm 1,25", Omegon Illuminated crosshair eyepiece, 12.5mm, Baader Hyperion Universal Mark IV 2", 8-24mm Zoom eyepiece, Omegon eyepiece and accessories case, large, Omegon Deluxe eyepiece case, optimised for focal lengths up to 1200mm, Omegon Filters Nebula/ city light filter 1.25 '', Omegon Filters Variable grey filter 1.25", Omegon Filters Color filter set 1,25'' (6 pieces), Omegon Easypic Universal Smartphone Adapter, Skywatcher 2", F4 aplanatic coma corrector, Lacerta Camera Stand Alone Autoguider MGEN Version 3, Willmann-Bell Book Annals of the Deep Sky Volume 1, Cambridge University Press Book Cosmic Challenge, Baader Lens Cleaning Pump Spray Optical Wonder 100ml, Masketo face mask with palm print 1 piece, Masketo face mask with astronomy theme Solar Corona 1 piece, Masketo face mask white with astronomy theme Pleiades 1 piece, Masketo Face mask polyester Corona Borealis, not recommended (Only with appropriate Sun filter). : 22200Manufacturer: Skywatcher, Skywatcher Quattro - for great short exposure astro photos. The 1:11 reduction ratio lets you to focus your astro images very precisely. The Sky-Watcher Quattro series are premium quality imaging Newtonians with a wide field of illumination and fast f4 focal-ratios. Perhaps you do not have an expensive high-end mount, or perhaps your mount does not track very precisely. A special type of altazimuth mount is the Dobsonian mount. SkyWatcher 8” Quattro Imaging Newtonian. Even if you use a large DSLR with an extra battery pack, the 2" linear power focuser will hold your equipment completely reliably. There are basically two different types of telescope. This 10” Newtonian telescope … Are mainly differentiated between equatorial and altazimuth. You can use a coma corrector between the focuser and the camera for capturing optimal pin-sharp images right out to the edge of the field of view for astrophotography. Sky-Watcher Quattro Coma Corrector. A Skywatcher Quattro telescope is the right tool for satisfying your desire to record beautiful astronomical images. This is especially important for astrophotographers dealing with long exposure times. The Quattro… With the focuser on Skywatcher Quattro telescopes, focusing any DSLR camera is simplicity itself. A 2" dual-speed 10:1 ratio focuser is included for excellent focusing precision. Skywatcher Quattro Newtonian telescopes offer you impressive astrophotography performance. The Sky-Watcher Quattro is a fast f/4 Newtonian telescope with extra features that make it a really nice OTA for imaging as well as wide field visual observations with the addition of its dedicated coma corrector (sold separately). A distinction is made between refractor (lens) and reflector (mirror) telescopes. This is the distance between the objective lens or mirror and the focal point. 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