8 maksutov cassegrain telescope


Found inside – Page 81This system gives excellent quality images of spectra on a Cassegrain spectrograph on a moving telescope. Limiting resolution is 8 80 lp/mm using G5 emulsion and is fairly uniform over the window area; geometrical fidelity is good and ... Its glow was evident, and you could make out the dark inner portion with direct vision. Found inside – Page 272Thin lens and surface contributions ( ray tracing ) compared for an 11 " , f / 8 Maksutov - Cassegrain telescope . Configurational data : bp = bs = 0 O = 52.130 D 1.0574 N = 1.517 ( BK - 7 ) M 2.3386 R = 0.6304 H = 31.8402 Aberration ... Add to Compare. As a result, the central obstructions are only 33% of their clear apertures. Get up close and personal to your celestial targets with the easily-handled Celestron Advanced VX 700. This page contains information I acquired during the design and construction of a 7.5" aperture F8 Maksutov-Cassegrain telescope. High precision focusing is marred slightly by image-shift which occurs when the focus knob is rotated in different directions. Add to Basket (10) Quick View. The 700 Maksutov-Cassegrain Advanced VX telescope (Advanced VX 700 Mak) is a specialized instrument designed for detailed, high contrast views that sets a new standard in mid-level telescopes. Selling a wide Range of Telescopes, Binoculars & Accessories, We use cookies on this website. Found inside – Page 146Increased solar activity, 38 Internal tube currents, 26 Julian day, 8, 78, 114, 140 Klee Barlow lens, 24 Latitude and ... 121 Making a measurement with the variable star calibration scale, 118 Maksutov–Cassegrain, 9, 10, 19, 21, 25, ... Large aperture Maksutov Cassegrains are renowned for their high contrast optics and ability to resolve fine Planetary detail as well as split double stars right down to the theoretical limit of the aperture. 700 Maksutov-Cassegrain telescope with f/15 focal ratio provides high contrast views of the planets and lunar landscapes, perfect for serious planetary imagers and visual observers. Meanwhile, the Orion Nebula, M42, showed a wealth of detail with contrast being held across the unevenly illuminated gas of the nebula. LX65 Series Telescope - 6" Maksutov-Cassegrain . Just because a star may be millions of years old, doesn't mean it should take you that long to find it. Optical Tech Quantum 8″ Maksutov Cassegrain Telescope Specifications… Optics Design : Maksutov Cassegrain. A telescope with an aperture of 8" (200mm) and a focal length of 1000mm will still beat a 4" (102mm) telescope with a 1250mm focal length. Bresser Pollux 150 / 1400 Telescope & EQ-3 Mount. Warranty: 2 Years. Found inside – Page 868 inch model and Celestron phased-out the original fork-mount C5 SCT in the 1980s. ... Meade has lost interest in smallerthan-8 SCTs for now, choosing to build its smalleraperture scopes in the Maksutov–Cassegrain telescope (MCT) design ... For more about how we use cookies, please see our, We will try to match any price offered by, Telescopes £200 - £500 Deep Sky Observing. One thing to bear in mind if you’re into astrophotography is that f/15 is quite slow, meaning you’ll need longer exposures to match the exposure depth of faster instruments. CIearly, these telescopes cannot reproduce the delicate tonal contrasts on a lunar or planetary disk; such detail being washed out or completely submerged by the excessive light in the diffraction rings. The Maksutov-Cassegrain optical design is a favorite for both terrestrial and celestial use. Found inside – Page 16CELESTRON • QUANTUM • MEADE • UNITRON • GOTO • FUJINON SKY RESEARCH CASSEGRAINS Coelostat Telescopes ( 80mm ) ... N.Y. 10709 ( 914 ) 337-4085 TELESCOPES MAKSUTOV CASSEGRAIN SCOPES 6 " F / 15 TRADITIONAL $ 795 8 " F / 11.8 SUPER $ 1395 ... If you’re looking for wide vistas of the heavens, this is not the scope for you. 6B (rear) Howell Street, It was a typical planetary telescope designed around a design Harrie Rutten devised, the Rumak. This article was written for the Orion website by Geoff G to describe the history of the Maksutov-Cassegrain telescope design and the Mak-Cas telescopes that Orion offers. The SCT is more prevalent, being one of the most popular telescopes. Little, if any collimation is ever required, with the small secondary mirror being an aluminised spot on the inner surface of the thick corrector lens. A compact but powerful, high-contrast, high-resolution Maksutov-Cassegrain telescope. Found inside – Page 55Typical focal ratios for refractors are between f/5 and f/8. The high focal ratios of Maksutov and Schmidt Cassegrain telescopes require long overall exposure times. With very short exposure astrophotography, their exposure efficiency ... Skywatcher Skymax 150 Pro HEQ5 Pro GOTO Telescope£1,669.00, Skywatcher Skymax 180 Pro EQ5 Pro GOTO Telescope£1,789.00. Other test views of the Ring Nebula, M57, were fantastic. Required fields are marked *, Phone An 8×50 findersccope is supplied and it’s essential to get this fitted and aligned as soon as possible. We were very impressed with the Go-To accuracy of this mount. Features: Celestron Astro Fi 127mm Maksutov Cassegrain Telescope; 127mm Maksutov-Cassegrain with fully coated glass optics; Control your telescope via integrated WiFi using the free Celestron SkyPortal app for iPhone, iPad, and Android devices; Observe in no time with a quick and easy, no-tool setup. The optics of the VMC260L are significantly better than the traditional Schmidt-Cassegrain telescope. Attaching a 2" Diagonal to a Maksutov-Cassegrain Telescope. But if you want to get up close and personal to your targets, this instrument will help you do this confidently. Found inside – Page 59There are many types of catadioptric telescope , including the Schmidt - Cassegrain Telescope ( SCT ) , the Maksutov - Cassegrain Telescope ( MCT or Mak - Cass ) , the Maksutov - Newtonian ( MN or Mak - Newt ) , and the Schmidt ... This telescope was designed purely for planetary and lunar observing. 700 Maksutov-Cassegrain telescope with f/15 focal ratio provides high contrast views of the planets and lunar landscapes, perfect for serious planetary imagers and visual observers. Beautiful instrument with exquisite images. Add to Cart. Buy maksutov cassegrain telescopes at Astronomics. Explore Scientific FirstLight 1900mm f/12.5 Maksutov-Cassegrain Telescope, White. However, just be aware that a 2.7 metre (2,700mm) focal length can require careful management. Saxon Observatory 90/1250 EQ Mak-Cassegrain Telescope. It supports three auxiliary ports, one of which is used by the NexStar+ handset. The differences between Maksutov-Cassegrain and Schmidt-Cassegrain telescopes are fairly minimal but SCTs are generally better performing. Essentially, Maksutov-Cassegrains have thicker corrector lenses than Schmidt-Cassegrains. This means that they take longer to adjust to temperature changes (for example, when being take from inside to outside). Astro-Physics 10 Inch (25.4cm) f14.6 Maksutov-Cassegrain High Resolution Telescope. Supply includes tube rings to enable you to mount the telescope to any standard premium quality Equatorial mount. Newtonian reflectors with a "slow" aperture-ratio, e.g. Their f14, OMC140 version now has a carbon fibre tube and comes in two versions with standard (1/4 wave) optics and standard mirror coatings for ~£667 or, in the de-luxe version, with 1/6 th wave optics and high reflectivity coatings for ~£912. The long, 1250mm (f/13.8) focal length gives the StarMax 90 TableTop some serious magnifying power - the included 25mm and 10mm 1.25" eyepieces yield powers of 50x and 125x, respectively. A metal version of this telescope weighs 27.4 lbs. Vixen. Product can be shipped as of 01.01.2022. It boasts a payload capacity of 11lbs. In the United Kingdom, Orion Optics of Crew collaborated with Harry Rutten to design a range of Maksutov Telescopes. Found inside – Page 180Table 5.3 Some of the Best Telescopes of Yesteryear 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Astro-Physics 6-inch f / 12 “Super ... 6-inch (or larger) f / 8 Newtonian reflector Quantum 4, a 4-inch Maksutov-Cassegrain StarMaster Oak Classic, ... The Maksutov-Cassegrain, or Mak-Cass for short, is very similar to the Schmidt-Cassegrain design but generally features a slightly longer focal ratio that make them ideal for planetary observing and imaging. Add To Wishlist Remove From Wishlist. The scope is part of the package, including a tripod and a Celestron VX mount head. Orion StarMax 127mm Equatorial Maksutov-Cassegrain Telescope. Advanced VX 8" Schmidt-Cassegrain Telescope. Maksutov-Cassegrain telescope is quite small in size, which gives it proper resolution and high contrast — great for planetary observing. Astro-Physics 10 Inch (25.4cm) f14.6 Maksutov-Cassegrain High Resolution Telescope. $ 740.00. ready for shipping in 24 h. Skywatcher Maksutov telescope MC 127/1500 Heritage Virtuoso GTi. The VX mount is controlled via Celestron’s NexStar+ hand controller. Intl: +61 412 318 125, Address Found inside – Page C-82SEVENTH INTERNATIONAL SYMPOSIUM ON TECHNOLOGY AND THE MINE PROBLEM 8 compact pulsed laser to form a portable remote ... In brief , it consists of a telescope ( Meade ETX - 125 Maksutov Cassegrain , 127 - mm diameter , 1900 - mm focal ... The proven Maksutov optical system gives sharp, high-contrast images and a long focal length (2,500mm) in a compact tube. 8.6kg (optical tube assembly), 7.7kg (VX mount head), 8.2kg (tripod). $ 15,900.00. ready for shipping in 24 h. Meade Telescope ACF-SC 406/4064 16" UHTC LX200 GoTo. Sky-Watcher Skymax 127 AZ-GTi 127mm f/11.8 GoTo Maksutov-Cassegrain Telescope. Two main Cassegrain Telescope designs you will most likely come across are the Schmidt-Cassegrain and Maksutov-Cassegrain Telescopes. Within the amateur astronomy community, there are a lot of Schmidt-Cassegrain (SCT) and Maksutov-Cassegrain (MCT) telescopes, both of which are referred to as "catadioptric" designs. central obstruction, these instruments image only 48% of the available light energy into the central Airy disk of a focused star image with the renraining 52% being scattered in the surrounding diffraction rings. Found inside – Page 609... 121, 289, 290,482 Isobaric, 88, 519 Isochoric motion, 523 Isopropanol, 285,370 Isothermal, 117, 135 Isotropic, 8, 9, ... 569, 573 Maksutov-Cassegrain telescope, 336 Mangler transformation, 15 Mapping function, 193,241, 562 Masking, ... Telescopes. Celestron NexStar 4SE Maksutov-Cassegrain Telescope. Celestron NexStar 127SLT 127mm f/12 Maksutov-Cassegrain GoTo Telescope 5 out of 5 stars (2) 2 product ratings - Celestron NexStar 127SLT 127mm f/12 Maksutov-Cassegrain GoTo Telescope They are compact and easy to transport. Found inside – Page 487... 451, 454 density of 405 diameter of 405 faculae on 427-8, 431-2, 433-4, 448 filaments on 446-9 granulation on 425, ... telescopes (discussion of specific types) Cassegrain 33, 78, 133-6, 462-3, 465, 466, 467 Maksutov-Cassegrain 39, ... Despite its high 3000 mm focal length, it is just 650 mm long. Celestron Computerized Maksutov-Cassegrain Telescope Star Locating Telescope This 127mm Maksutov telescope is completely computerized and it offers a large database of more than forty thousand different stars, nebulae, galaxies, planets, etc. A larger obstruction will influence the contrast. $ 760.00. Astronomics is a family-owned business that has been supplying amateur astronomers, schools, businesses, and government agencies with the right optical equipment and the right advice since 1979. Your chance to own an exceptionally rare ultra high performance telescope! Best for those who want a dedicated telescope for planetary viewing & imaging. The verdict for the Orion 10022 StarMax 90mm TableTop Maksutov-Cassegrain Telescope goes out in the positive since it comes with a lot of features and has no performance issues as well. Due to its unique and innovative design, the MAK telescope can use large-diameter optics without compromising the tube lengths. Other standard features of the Quantum instruments include high-transmission AR coatings on the corrector lens, and enhanced aluminium coatings on the primary, secondary, and diagonal mirrors. In addition to giving the Quantum a distinctive sculptured appearance, it allows for much greater flexibility in the design, selection, and use of accessories. (2) 2 product ratings - Celestron NexStar 127SLT 127mm f/12 Maksutov-Cassegrain GoTo Telescope. $1,199.99 $100/mo suggested payments with 12‑month financing. Found inside – Page 768. The Schmidt camera. 9. The Schmidt-Cassegrain telescope. 10. The Maksutov camera. 11. The Maksutov–Cassegrain telescope. 12. The schiefspiegler. 13. Other compound systems. 14. Field correctors. 15. Focal extenders and reducers. 16. The telescope is simple to set up as no tools are required, so you can get stargazing in less time. LX85 Series Telescope - 6" Maksutov-Cassegrain . lnstead of the usual f/2 primary mirror of other compound tefescopes, the Quantum’s primary is of f/2.5 ratio. Focusing is achieved using a rotating knob on the back of the optical tube. This is countered in SCTs by using flat corrector plates with a slight aspheric curve; ‘aspheric’ means the curvature is not a portion of a sphere. The Maksutov-Cassegrain design produces a powerful, long focal length instrument in an easy to handle package. As we begin this review of the Celestron Advanced VX 700 Maksutov-Cassegrain, here’s a quick refresher on some terminology. These are versions of compound (or catadioptric) telescopes. Warm air exits the tube under pressure through special holes in the telescope adapter. This grab-and-go TableTop Maksutov-Cassegrain telescope provides powerful views of the Moon and bright planets such as Jupiter, Saturn, and Mars Weighing just 6.5 lbs. The warm gold-yellow of the primary contrasted well with the blue-hued secondary. Product can be shipped as of 01.12.2021. Found inside – Page 142Chapter 8 Catadioptric Telescopes and Cameras In this chapter we discuss various derivatives of the Schmidt type of telescope, including Schmidt-Cassegrain, Baker-Schmidt, and BouwersMaksutov systems. It comes with a set of tube rings and 2 sets losmandy dovetail holders for big guidescopes. ‘Cassegrain’ refers to the combination of a concave primary mirror and a convex secondary, while ‘Maksutov’ refers to the shape of the instrument’s front corrector plate. Maksutov-Cassegrains make use of highly curved correctors which are part of a sphere. The ultimate 180mm Mak-Cass setup. Found inside – Page 52Not far behind the refractor in the pecking order on my 'preferred telescope list' would be a Maksutov–Cassegrain telescope provided it had an aperture of at least 6 inches (152mm) but no greater than 8 inches (203 mm) because of its ... It also permits more comfortable viewing and a freedom of operation you must experience to fully appreciate. This very compact telescope comes in two apertures (90mm & 125mm) with optical tube assemblies that are … It comes with a set of tube rings and 2 sets losmandy dovetail holders for big guidescopes. The Schmidt-Cassegrain design also eliminates chromatic aberration, making it a good choice for astroimaging. This ultra-compact Maksutov-Cassegrain (Mak-Cass) gives surprisingly big views for an instrument of its modest size, making it an elegant first telescope or a great grab-and-go second telescope! Buy Maksutov Telescope and get the best deals at the lowest prices on eBay! In the Quantum, the movement of the primary takes place by turning a focus knob conveniently located on the right side of the barrel towards the rear. Get it Cheap from a Trusted store at http://usnetxxx.com/?p=1607 Vixen VMC 260L Maksutov - Cassegrain Telescope for SX Mounts; Product code: X000309. The SkyMax 180 is an excellent lens for planetary and lunar imaging, this telescope also includes everything you need to start observing. The telescope (Aries 10" MC thereafter) is a 10-inch Maksutov-Cassegrain with f/15 focal ratio and 30' field of view that is coma-free and diffraction-limited across the spectrum, from infrared through ultraviolet spectrum. TEC 8" F20 Maksutov Cassegrain. Celestron NexYZ 3Axis Universal Smartphone Adapter £57.99 £46.99. Enter the Orion 127mm Maksutov-Cassegrain Telescope. The negative lens is usually full diameter and placed at the entrance pupil of the telescope. Although the long natural focal length isn’t optimal for large deep-sky objects, the telescope performsÂ. Though not as widely known as the refractor or Newtonian reflector, Maksutov-Cassegrain offers … Probably not the least of which is the fact that SCTs have a nice abbreviation but no one uses the obvious MCT for Maksutov … Purchase optional adpaters (sold separately) to connect the Celestron AstroFi 102 mm Maksutov Cassegrain Telescope to your Canon or Nikon SLR – now it's possible to take your own photos of planets, stars and more. $ 5,900.00. More about Type of build Maksutov... Products 1 - 12 of 62 . Found inside – Page 225.CALL I 0 PRINT PAGES HEAVY WEIGHT 8-3.5", 10-3.5" x 5", 6-4" x 6" if" 8-4" x 5", ... The revolutionary Meade ETX 90mm 1250mm f/13.8 MaksutovCassegrain telescope goes anywhere at a moment's notice and presents the finest optical images ... 5 out of 5 stars. 200 mm Maksutov/Cassegrain mirror telescope; 1950 mm focal length and built-in correction lens; Short design, lightweight housing and open lens barrel; Dimensions: 232mm x 510mm Weight: 6.8 kg; Includes 7x50 viewfinder telescope, flip mirror and carry handle; Max. Exceptional highest capability & performance for those that wish to achieve much much more. Found inside – Page 10Maksutov-Cassegrain telescopes. Another hybrid design using a ... Made by the Russian firm Tal, in sizes up to 200 mm (8 in.) ... 8. Schmidt-Newtonian telescopes. Made mostly by Meade, these are fairly “fast” (low f ratio) telescopes. As an example In the Meade line, the LX200 is an SCT and the ETX series is an MCT. Vixen SXD2 Goto mount with VL200 Cassegrain - 8". The optical systems utilized in the Quantum Series of Maksutov Cassegrains has been designed to give you the maximum contrast and resolution obtainable in a commercially produced catadioptric telescope. Found inside – Page 138In the 1970s and 1980s the Celestron C90 Maksutov telescope, a 90 mm aperture, 1,000 mm focal length f/11 system, was the “de rigeur” item in the ... 500 mm f/8 Maksutov-Cassegrain Russian mirror lens (MC 3M-5CA) on GS equatorial mount. Celestron Advanced VX 700 Maksutov-Cassegrain telescope. Superb 180mm optics with one quality 2" eyepiece, 8x50 finder and 2" diagonal provide excellent results for discerning observers, compact large aperture optical tube ready to attach to standard mounts such as the EQ5 and EQ6. This 127mm Maksutov telescope is completely computerized and it offers a large database of more than forty thousand different stars, nebulae, galaxies, planets, etc. Maksutov-Cassegrain telescopes are an alternative design to the similar Schmidt-Cassegrain telescope (SCT). The difference to the Schmidt-Cassegrain: the Maksutov has a meniscus-shaped lens on the lens aperture and no Schmidt plate. dhinds.co.uk Bresser. The 8" f/12 Classical Cassegrain Telescope features a machined, dual-speed (10:1) 2" Crayford focuser equipped with a sturdy linear-bearing mechanism for enhanced rigidity and stable support of heavy astrophotography equipment. The Sky-Watcher 180 mm Maksutov-Cassegrain uses a large 7.1” lens system to do the job of gathering light so you can see faint objects millions of light years away. My Account; Order Status; Help English EUR German EUR French EUR English GBP / English USD Sign In. The 700 Maksutov-Cassegrain CGX telescope (CGX 700 Mak) is a specialized instrument designed for detailed, high contrast views of smaller celestial objects like the planets. The optical tube assembly dismounts instantly with a single knurled knob to allow its separate use as a terrestrial telephoto lens. The challenge is to make sure there are 2"-24 male threads on the back of the optical tube. Features a 6" (150mm) aperture, 1800mm focal length, and f/12 focal ratio. The shadows cast by the lunar Alps were dramatic and reminiscent of being cast by a giant cathedral. The on-board database offers over 40,000 Go-To targets. One notable advance is a total absence of image shift during focusing, a problem which continues to plague every other competitive design. When it does stay on, the cover is slightly convex meaning you can’t stand the tube on its end. The scope and mount head sit on a sturdy tripod. Found inside – Page 201... 52,53 Reflector – see Newtonian telescope Registering frames 149–155, 162, 178–180 Schmidt-Cassegrain telescope 1, ... 69,187 Mac OS 8, 13, 15–17 Macintosh software Maksutov telescope 105 Mailing lists 32–34 Meade ETX 70 84–86 Meade ... Cooler CAT has an ingenious 1.25/2" moveable adapter design that allows it to be used with all catadioptric telescopes from 8" to 16" in diameter. Related Products: Quick View . The 700 Maksutov-Cassegrain CGX telescope (CGX 700 Mak) is a specialized instrument designed for detailed, high contrast views of smaller celestial objects like the planets. Don't have an Astromart account? In short, a Maksutov-cassegrain telescope is generally better for planet viewing due to the narrow and generally large focal ratios, however this also does compromise the astrophotography performance of Mak telescopes, which is an area Schmidt-Cassegrain telescopes don’t suffer nearly as much from whilst still having plenty of ability when viewing planets. You are free to manage these via your browser settings at any time. Orion Telescopes carries both Schmidt-Cassegrain telescopes and Maksutov-Cassegrain telescopes in a variety of sizes, all of which provide excellent image quality and all-around viewing capability. SkyWatcher Skymax-127 AZ-Gti WiFi Go-To Maksutov-Cassegrain Telescope Description. * Designed to give you the maximum contrast and resolution obtainable in a commercially produced catadioptric telescope . Skywatcher Skymax 127T Optical Tube Assembly£329.00. Maksutov Cassegrain telescopes work by using a combination of lenses and mirrors. Found inside – Page 67Period ( hours ) Diameter ( km ) 13 Egeria 1 Ceres 2 Pallas 5 Astrara 8 Flora 18 Melpomene 3 Juno 20 Massalia 25 ... prices of these models will be increased TELESCOPES MAKSUTOV CASSEGRAIN After Current 4-30-81 6 " F / 15 $ 795 $ 1195 8 ... The Advanced VX 8” Schmidt Cassegrain telescope is ideal for imagers and visual observers looking for a telescope that is much more portable than the reflector or refractor. Both types of Cassegrain telescopes feature a front corrector lens that ensures sharp images. Click & Collect. As Albireo was up in the night sky we conducted a colour test and there were no problems. This is evident at large image scales.
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