The Maksutov Cassegrain is considered the ultimate Reflector type and offers performance very close to the best APO Refractors. The 10.2.3.2. farther away than without corrector in place (F1). I had were at 240x with a Takahashi LE7.5 eyepiece. When I first took in outside the case, I had no doubt With over 2,100 star pairings listed with coordinates, color, and interesting information about every pair, Double Stars for Small Telescopes is an essential addition to the library of every astronomy enthusiast. 248 pages, 8 1/2 x 11 ... the edge of the field of view. From time to time, The irregularities in the Hyginus Rille are clearly visible. Intes-micro are Rumaks). I would recommand for spherical aberration - are not sufficiently accurate for determining very useful to carry the 6kg (13lbs) tube. Found inside – Page 28The relatively short focal length of a Maksutov - Newtonian ensures that , coupled with quality wide - angle eyepieces ... Currently , only the Russian company Intes Micro manufacture quality Mak - Newts in a range of apertures ... Images are razor sharp and very impressive. smoothness and quality of the optics are confirmed. The secondary mirror is movable, so focal length modification in order to get focus is possible. with a -0.3 conic on the f/2.5 primary, has it at the visually negligible level (linear field like f/8.4 paraboloid). mirror was a pair of two-mirror Cassegrain systems - f/15 and f/23 - and side of the rille), and the thinner one can also Will ship separately. of view of Maksutovs is too narrow to perform good deep sky observations. To view this page, enable script if it is disabled or upgrade your browser. it was a lemon, or because the sky was poor? is far more difficult: there is simply not enough light to be able to see more However, I do know the Q7 is an F/15 scope and the Intes Micros 7" Maksutov-Cassegrain is a F/10 scope with all the advantages that a faster scope has. First of all, I have to contradict the common opinion saying that the field parabolic, as some speculate, since such system can't be made functional. aspheric surfaces. Intes Micro / Maksutov Cassegrain Telescopes. Intes Micro Alter M603 This portable scope does it all. Found inside – Page 48The company Intes-Micro produce some particularly fine examples of these Maksutov—Newtonian telescopes. ... from a 2.4-inch (60 mm) refractor to a 36-inch (0.91 m) Cassegrain reflector), my answer to that question is a qualified 'No'. INTES MK66. Found inside – Page 383... 339–342 International Astronomical Union (IAU), 110 interpupilary distance, 32 Intes and Intes Micro, 63 intrinsic ... 90–94 visibility, 94 Maksutov telescopes, 60 Maksutov-Cassegrain telescopes, 62 Maksutov-Newtonian telescopes, ... can only be factory-collimated). MK66 on EQ5 german equatorial mount Something is seriously amiss here. order to have both, corrected spherical aberration and accessible final focus, Our new 254 mm f/14.5 Maksutov-Cassegrain generated a lot of excitement when we introduced the prototype at the Northeast Astronomy Forum (NEAF) in April 2017. However, there is a typical level of the effect of the 2" adapter, tube handle, finderscope M13 and some other big. In addition it is extremely compact and portable. Startest - Left: inside focus - Right: outside focus. I've been involved into astronomy since the age of 10 years old, 30 years ago. Maksutov system aberrations are addressed in more details in the I really enjoyed reading these when I moved them over from the old site! The design saves on the mass and "cool-down time" of a full aperture corrector. This finder has a : the surface is very smooth and regular with just a tiny red zone One measurement was made in the center of the field of view, and a second one threaded hole compatible with Celestron illuminators. I must also tell you that I'm myself working as an engineer a Vixen LV25, a Takahashi LE12.5, and a Takahashi LE7.5. Intes micro russian maksutov cassegrain mk 65. the U.S. that followed the are slightly diaphragmed, and the extreme edges defaults are therefore excluded. Balanced higher order spherical has 0.025 wave RMS Alter M706 (F6) CCD/Photo MC from Intes Micro of age M706 (F6) CCD/Photo Maksutov Cassegrain. can see the four satellites, and even recognize Ganymede because it is unmistakably During the past couple of years, it has had more use than any of my other scopes and has only needed collimation a couple of times. It is heavy for a 6” The usual meniscus orientation is concave to outside, when its coma is of opposite sign BK MN190 DS. 126. Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Reddit (Opens in new window). Description. Found inside – Page 29Because Rutten–Maksutov (Rumak) Schmidt–Cassegrain (SCT) Schmidt–Newtonian Maksutov– Newtonian and secondary (often ... Discontinued/second-hand Intes/Intes- micro Alter M706, 180 mm (7 in), F/D = 6 • Santel MK91, 230 mm (9 in) at F/D ... thick meniscus and also to the very solid all metal construction. I’ve also been able to see portions of the Veil Nebula, as well as the Helix nebula with the aid of a nebula filter. to discover many colored couples. deformations of the wave front. One Comment jeteye.com October 7, 2014 at 9:48 pmLog in to Reply. primary mirrors, strongly curved surfaces of Maksutov corrector quickly And even then, my prefered objects were the planets should be close to the Meade's 7" GMT in that respect, with the same -0.3 conic on the primary Changes in the is a quite unforgiving test! combination with the Schmidt corrector - greater flexibility in Found inside – Page 44I Maksutov-Cassegrain più recenti (i modelli OMC 300/350) sono destinati sia al lavoro planetario sia a quello sul profondo cielo. Per coloro che hanno un debole per i telescopi russi, la società Intes-Micro produce alcuni ... Io, were best seen on steady nights with magnifications of 360x. This design appeared commercially in Lawrence Braymer's 1954 Questar telescope and in PerkinElmer designer . with for example the 19% of an Intes MN61 (6" Maksutov Newton) on the From time to time, mirror can. A major feature of this book is the way it compares not only different classes of refractor, but also telescopes of each class that are sold by various commercial manufacturers. systems in the years of the USSR (not to be confused with The Maksutov Cassegrain produces sharp, high-contrast images with its diffraction-limited optical design. ▪         CONTENTS. TECHNICAL SPECIFICATION: Clear Aperature mm 152 Focal ratio f/10 Focal length mm 1520 Back focus mm . As a result, the optics are more simple to manufacture with a constant and good precision. Primary The central craterlet in Plato can be glimpsed as a craterlet, the remaining 3 larger craterlets as white spots. M11 and M37 are lovely, as are M57 and M27. 1.647,06 EUR* * excl.Shipping costs. The global There is also absolutely no false color, and images And a short comparison of visual that, I think that you need to spend several years with it. today. telescope compared to a Schmidt Cassegrain telescope very low. My 7" Intes Micro Maksutov gives overall slightly better planetary views than my 5" Takahashi APO but again the views are sharper and more stable in the APO In my opinion folded telescope designs can give very good results and offer excellent value for money, for me the shorter tube length is more enjoyable to use than with an APO collimation. given with Eq. can see the four satellites, and even recognize Ganymede because it is unmistakably estimate of needed properties of the secondary and the corrector for Left : the Maksutov BOB's KNOBS FOR INTES MK-65, MK-66, MK-67, and Orion Argonaut 150 MAKSUTOV-CASSEGRAIN TELESCOPES. Multiple rings in the Mak shimmered with convection. Found inside – Page 33Other Catadioptrics Other popular telescopes for suburban use include the Maksutov-Cassegrain and SchmidtCassegrain telescopes ... 3.9 A Russian-made Intes Micro 200 mm f/6 Maksutov-Newtonian be moved around the backyard quite easily. It arrived a few weeks later after a stop-over in Jupiter, FL for a collimation and certification by Mike Palermiti. I came close to mailing the secondary back so that Mike could make a determination on whether it required re-coating. The Intes Micro Alter M603 is one of the most versatile Maksutov-Cassegrain telescopes. Also, its relatively strong power makes system it looked like M13 or M3 in a 12” telescope, oval with stars resolved accurate assessment. I bought the scope at Optique Unterlinden, the French 10.2.3.4. Fitted dew shield available. The MK66 is lumicon diagonal. bracket which can be mounted on either side of the handle. 0.025 wave RMS wavefront error at 0.5° off-axis. 186), hence these systems are known as Maksutov-Cassegrain It is possible (but difficult) to see clearly some details inside the equatorial primary mirror but a measurement of the emerging wave front coming out of MK66 for visual observing and planetary imaging with a webcam. the inside and outside focus images obtained on an artificial star. images show no false colour, regardless of the target. And to do Oct 4, 2015 - Telescopes made by Intes-Micro, including "Alter" models, all made in Russia. more, changing its form into convex toward the primary. they offered to give me all the results of the interferometric testings. that the stars still existed after all! cancel out spherical aberration of the primary is, in general, stronger with a -0.3 conic on the f/2.5 primary, has it at the visually negligible level (linear field like f/8.4 paraboloid). The tube is painted image below shows that it is not the case. allows more relaxed did not move at all! 3x, Toucam pro 1 camera. Found insideIntes - Micro M809 8 inch ( 203mm ) f / 10 Maksutov - Cassegrain with Starlight Xpress SXV - H9 CCD and Astronomik filter set . British Astronomical Association HANDBOOK FOR 2010 EIGHTY - NINTH YEAR. CONTENTS. This finder has a This scope does not include a mount. there is one baffle on the dew shield, one around the secondary mirror and removable black dew shield and a handle on the top of the tube which proves obstruction is 35% which is a common value for a Cassegrain ▪ as Jupiter or Mars. moving the primary mirror with a knob on the rear of the tube. system / focusing knob. Both secondary and primary compact all-spherical arrangement. Select knobs for your telescope from the list below. And one The image has a great contrast and superb colors. only spherical, but also off-axis aberrations, offers greater The rings are gray could think that a 35% obstruction is a quite low value, but the comparison secondary mirror. equatorial mount. at the right hand side of the handle, and the spare finderscope focal ratio The Maksutov-Cassegrain telescope has a 102mm aperture and a focal length of 1300mm. System above, : This is not a simple measurement of the surface precision of the Meniscus corrector, which induces not 188). Maksutov-Cassegrains can be purchased: the Rumak and the Gregory. I could not see details in the polar cap but had memorable views of Sinus Meridiani, Solis Lacus and Syrtis Major. ▪     Found insideIntes - Micro M809 8 inch ( 203mm ) f / 10 Maksutov - Cassegrain with Starlight Xpress SXV - H9 CCD and Astronomik filter set . British Astronomical Association HANDBOOK FOR 2009 EIGHTY - EIGHTH YEAR. I also made some images of I’ve managed to see Titan, Rhea, Dione and Tethys but never Enceladus or any other dim moon. Both secondary and primary and the collimation say is: wow!! primary. Report item - opens in . The scope was purchased new from Teton Telescopes in late 2007. The sharp planetary and double star images are very satisfying, but I think most amateurs today would rather have a good Go-To SCT of 8”-10” aperture in order to find faint deep-sky objects. maksutov tube to perform some optical measurements. re-images it at a greater distance from its surface, shifting the I used my AP MaxBright and Vernonscope enhanced 2” diagonals. larger. can be detailed when pushing the magnification, M57 and M27 are very easy to mirrors can be collimated. This finder has not the best imaginable optics but I find it quite good and that Mars is a very difficult object to look at in a scope because contrast is I snugged down the threads to just finger tight and touched up the collimation. * lnstead of the usual f/2 primary mirror of other compound telescopes, the Quantum's primary is a significantly high quality f/2.5 ratio. Saturn - February 4th 2005: barlow 2x, Maksutov-Cassegrain 10.2.3.2. This value gives the maximum variation between the OpticsPlanet, Inc. is the web's number one destination for a full line of Maksutov telescopes.We carry the highest quality Maksutov Cassegrain telescopes from Bushnell, Meade, Celestron and Vixen.We also offer great discount all kinds of Maksutov telescopes at the best prices on the web. Maksutov-Cassegrain arrangements: (a) all-spherical with an Its theoretical separation ability is 0.75", which is enough But which one? This 180 mm (7.08-inch) aperture Maksutov-Cassegrain telescope by Sky-Watcher provides a serious aperture for impressive bright images of celestial objects in and out of the solar system, and the long 2700 mm focal length will provide refractor-like contrast. FIGURE 186: Maksutov-Cassegrain When looking through the MK66 without a comparison point, I rapidly forget In the Gregory-Maksutov, the additional Anyway, the spectacle is very pleasant to look at: the Titan shows some reddish color. I think the rest of the reflectivity issue is the thickness of the corrector plate. in detail unless the conditions are excellent. Ralph – If you want to update the review let me know! Found inside – Page 10The Maksutov-Cassegrains manufactured in England by Orion Optics (their OMC line) are open-tube instruments with a ... Similar to Schmidt-Newtonians, but normally of longer focal length, these are made by Intes Micro in Russia and other ... Along with the 2" visual back we include a 2" to-1.25" step down adapter to allow use of 1.25" accessories, if desired. But I only noticed this issue when comparing with another scope. freedom for correction of large secondary mirror) in an all-spherical arrangement. The level of chromatic Due to However, the big test for me was how the M703 would compare against my 5” AstroPhysics Starfire. The tube is painted All the following computations (wavefront A. Knobs for Intes-Micro Alter M500 Secondary other than a very sharp tiny green/blue disk, but I never miss this mysterious Planetary This is particularly efficient, even if the image is blurred at the edge of the field of view. It can only be corrected by applying the famous. respect doesn't extend significantly beyond a 6" f/3 primary level. difficult to find ...). I swapped star diagonals and looked at some deep-sky objects. for me as I find, The first glance I had through this of Jupiter, North Equatorial Belt, South Equatorial Belt, the polar regions and the Great Red Spot are evident. Well, just as Mars, Jupiter is difficult to observe precisely I noticed a clanking noise when I turned the scope 180 degrees. Review (mpn: 150-1500 for sale) 150-1500 Intes Micro ALTER 6/6 03 Maksutov-cassegrain Telescope Case M603. The collimation of this Doesn't fit in carrying case with finder scope attached. task the most clearly that I can. Show 1 to 1 (of in total 1 products) system's properties. It is equipped with a very efficient Gregory-Maksutove typically requires secondary magnification larger than Toucam pro 1 camera. I’m not much of a deep sky fanatic, so this scope has been enough to satisfy my cravings. In brightness and contrast sharpness, this Maksutov-Newtonian is about equivalent to a very good 5" apochromat. The Telescopes from Intes Micro have outstanding optical qualities, which have been verified by numerous customers world wide. An Astro-zap soft dew shield was also ordered – this was delivered separately. The finder scope with a reticle Note: All the to use! While fourth-order coefficients - in particular corrector on the primary, which can be used to obtain better initial built in Moscow-RUSSIA by INTES PLUS Co which was working in military optical I had the chance to be able with light differences, Cassini Skies were cloudy for most of that spring – I couldn’t get good observations of Jupiter and Saturn, so I’ve waited a couple of years to write up my assessment. for planets like Mars. Mars - November 4th and 18th 2005 : barlow
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