This would mean that the inside convex radius could be tested against the concave radius in the rear flint element. New innovations in the catadioptric design form have allowed small catadioptric objectives to be developed. The schupmann telescope, the story, design, construction. Starry night 7 professional astronomy telescope control software for macpc is a software that uses opengl and quick time to show a photo realistic night sky. For a very large schupmann i recommend the all spherical design which is first the optical outline you posted. This is accomplished by using a great piece of free software developed by stark labs. Osa adaptation of the schupmann medial telescope to a large. The schupmann telescope the schupmann is an unusual telescope in that it is a refracting telescope with nearly perfect correction for chromatic aberration without using any exotic glasses. Optical design of diffractive telescope system based on. Employing but one glass type, this design, called a schupmann medial after.
The original design galileo galilei came up with in 1609 is commonly called a galilean telescope. Autoguiding a telescope for deep sky astrophotography basic. Optical scheme of schupmann s medial telescope with main parameters. Because the schupmann telescope forms a virtual image, a mirror arrangement is used.
Use the program plop to optimize the back support for the mirror pointing to the zenith use this mirror edge support calculator to analyze the edge support for the mirror pointing to the horizon. The simple recipe for the schupmann medial telescope is, therefore, nearly comafree front lens of the focal length desired for the system, small concave mirror placed at the lens focus, to reimage the front lens at a distance allowing for corrected both, spherical aberration and longitudinal chromatism. However, to circumvent these limitations, the schupmann lens was. The modulation transfer function mtf is greater than 0.
The schupmann telescope, the story, design, construction and. The optical path in the two kinds of schupmann telescope. See all formats and editions hide other formats and editions. The newtonian telescope design planner uses javascript to perform the mathematical calculations. Schupmann medial telescope amateur telescope optics. The story, design, construction and use of a neglected telescope type hardcover 2007.
The custom designer series is the only true custom made telescope that is manufactured anywhere in the worldit can be purchased in any configuration that you choosefrom all brass see all brass telescope, with any of our tripods, to leather covered black or brown main telescope tube and dew cap or with any of the wood coverings we. Ludwig schupmann explored designing and building telescopes incorporating a. The design had no intermediary focus, thus resulting in an non inverted and upright image. Johnsbury, vermont, was an avid amateur astronomer and telescope maker who was best known as master of ceremonies of the stellafane convention up to the time of his passing in 1988. Atmos optical design and analysis software is the creation of massimo riccardi, an italian advanced amateur telescope maker and designer.
Early designs showed excellent nir performance but poorer performance at short. Skyalign technology celestron telescopes, telescope. This is why the guys at stellafane built a of this design. Dec 03, 2016 asi224mc astrohpotography book astronomy astrophotography autostakkert best beginner telescope best telescope book c270 deep sky download eclipse free software full moon hst hubble hubble space telescope juno jupiter light pollution live logitech c270 lunar m27 moon moon stacking moon stacking software nasa nebula night sky open cluster planet. The orion 50 dobsonian is larger than even the largest of the telescopes ever used by the herschel. Chapters 5 through 16 apply those principles to various telescope and accessory designs. The classical schupmann medial telescope is free of the. It is principally intended for astronomy and astrophotography use. Upon installation, please use serial number 783a36800007296416. Envisage software click to download meades dsi camera control and basic image processing software. The fresnel corrector, one of the does, is the key device in the schupmann system, which is used to correct the chromatic aberration introduced by the diffractive primary lens called magnifying glass.
Perfecting the refracting telescope has frustrated lens designers and glass makers since the invention of the telescope. Osa adaptation of the schupmann medial telescope to a. Employing but one glass type, this design, called a schupmann medial after its inventor ludwig schupmann, achieves amazing performance. Download the celestron pwi telescope control software. In most cases, there are many different versions of software that do a particular thing. Updates for this software are available at their website, but newer versions allow updates through an application installed with the program. Optical design of diffractive telescope system based on off. Youll find a wide selection of truss and optical tube options as well as astrographs. Practical calculations for designing a newtonian telescope. Apr 14, 2012 the elbow design is not as well corrected off axis. The design was optimized using zemax with tiltangles for the field mirror and the schupmann mirror to allow installation of baffles to reduce straylight. The schupmann telescope, the story, design, construction and use of a neglected telescope type by james daley. Even rather exotic species just like the schiefspiegler or the schupmann medial are described, as well as astrographs and, last not least, the most interesting eyepiece designs in history and on the market. For example, given the same focal ratio and eyepiece, a 20 inch aperture telescope shows an extended object, for example a galaxy.
After optimization by optical design software zemax, the size of system is 720 mm. The reflecting telescope was invented in the 17th century, by isaac newton, as an alternative to the refracting telescope which, at that time, was a design that suffered from severe chromatic aberration. The astigmatism introduced is cancelled by the appropriate tilt of the objective lens. The companion to the hubble space telescope will be launched into space to reveal the new secrets of the universe. By using autoguiding software such as phd2 guiding, our computer can communicate with the telescope mount. The results from a ray trace of this design using the program oslo is shown. Telescopesplus carries a variety of telescopes and accessories, astronomy binoculars and spotting scope and more. Aperture is the mirror diameter, determining the star magnitude reach of the telescope. Starry night pro plus 8 is our fully featured flagship program, tailored for the astronomer who wants the very best inclass astronomy software and telescope control experience. The mcgregor observatory, roof open, red schupmann telescope visible mcgregor, of st. Starry night 8 astronomy telescope control software for. A meniscus corrector is a negative meniscus lens that is used to correct spherical aberration in imageforming optical systems such as catadioptric telescopes. It is this neglected telescope, along with its close relative the brachymedial, that this book describes in detail, along with an historical account, a discussion of the schupmann s role in modern amateur research, system principles and practical applications.
The cdk corrected dallkirkham telescope is based on a new optical design developed by dave rowe. Riccardi has considerable experience with telescope designing and glassworking. Orion 50 monster dobsonian telescope orion telescopes. Two versions of the planner have been developed one for netscape and one for internet explorer.
It was schupmanns original design back in the 1890s that he calculated by hand. Here for the first time is a comprehensive discussion of the design and fabrication of a high resolution instrument that is totally free of harmful color defects. Telescope optics is a compendium of optical information, geared to the intermediate to advanced amateur. Many successful medials are shown in a photo gallery, giving the builder a wealth of further ideas. Building my schupmann medial telescope wa2gufs jimdopage. It was schupmann s original design back in the 1890s that he calculated by hand. They are not critical to the design since the coma contributions of all three elements are zero. However, to circumvent these limitations, the schupmann lens was modified by replacing the refractive objective with a spherical mirror producing a new catadioptric lens configuration adaptable to largescale astronomy. He is principally remembered today for his medial and brachymedial telescopes, types of catadioptric reflectingrefracting telescopes with mangin mirrors that eliminate chromatic aberrations while using common optical glasses. Dec 25, 2008 the schupmann telescope the schupmann is an unusual telescope in that it is a refracting telescope with nearly perfect correction for chromatic aberration without using any exotic glasses. Using of diffractive optical elements doe in the schupmann system offer a new way for the construction of ultralarge aperture telescope. Schupmann questions atm, optics and diy forum cloudy nights.
Galileos best telescope magnified objects about 30 times. Jan 22, 20 galileo heard about the dutch telescope in june 1609, built his own within a month, and greatly improved upon the design in the following year. A range of software tools were used to create the james webb space telescope. Your eyepieces are the first accessories you should learn to use with your telescope. Modas stands for modern optical design and analysis software. Celestron s free planetarium app is an astronomy suite that redefines how you experience the night sky. Schupmann medial atm, optics and diy forum cloudy nights. With the assistance of an experienced zmax optical design software specialist our research revealed an airspaced design with almost equal internal radii. Using this method, a diffractive telescope with 80 mm aperture and 400 mm focal length is designed. It allows you to easily and quickly change any of the design parameters of the telescope and to see the results. Many years ago, after mastering my optical knowledge, i felt the need of a program.
After optimized original structure parameters, the diffractive telescope system has a good performance with 39. The schupmann telescope did not supersede or even compete with the classical. According to the schupmann s achromatic theory, an optical design example of diffractive telescope with 0. Amateur telescope maker optical design and analysis software. The stellafane links page is edited by jay drew of the springfield telescope makers. The synopsys optical solutions group osg, formerly optical research associates ora, has been providing worldclass support to our code v customers for over 40years. Downloads and updates software registration contact information shopping cart. Its also interesting how aberrations are controlled in this design. The 1meter swedish solar telescope citeseerx mafiadoc. It ray traces the telescope checking for vignetting, optimizes diagonal size, calculates baffle size and position and more. Working in collaboration with optical engineer bert willard, jim developed and prototyped the design that would eventually inspire the efforts of the springfield telescope makers to make the worlds largest operational schupmann telescope. Member of the springfield telescope makers page last revised on tuesday october 01, 2019 with 62 new links added and 173 dead ones purged. As i strolled around the old camping field, i happened across two gentlemen who were busily engaged in setting up a rather strange looking woodentubed telescope.
It ray traces the telescope checking for vignetting, optimizes diagonal size. The design is used to save on the amount of glass used for specific elements or where elements can not be cemented because they have dissimilar curvatures. Discover the ritchey chretien telescopes you need at telescopes. Telescope has been much more flexible in performing repurchase obligation studies than the software we previously used. All videos were of 60 seconds duration except for the last two which were 100 seconds. Developed by planewave, the cdk corrected dallkirkham is a revolutionary new telescope optical system that was designed to excel at imaging on large format ccd cameras while remaining an excellent instrument for visual use. Additionally, two main models of telescopes enhanced the design of contemporary catadioptric telescopes. The telescope software needs to know the exact orientation of the telescope in relation to the night sky in order to find the tens of thousands of. The customer support has been great, and the staff is always helpful and willing to go the extra mile to make sure im able to perform an accurate series of projections. Now an employeeowned company, we pride ourselves on an unswerving commitment to best quality products, value and unmatched customer care. Planewave instruments technologies optical, mechanical.
Schupmann questions atm, optics and diy forum cloudy. My name is massimo riccardi i am an italian optical designer and optician. All in all this design should obsolete the very good schupmann design as it has a wider better corrected field of view, no field tilt, no optics near focus and a much shorter tube about 56% as long. Schupmann medial posted in atm, optics and diy forum. Engineering, design and construction of portable newtonian telescopes, advanced telescope making techniques volume 1 optics, advanced telescope making techniques volume 2 mechanica, a manual for amateur telescope makers, amateur telescope making, the best of amateur telescope making journal, build your own telescope, the dobsonian telescope, how to make a telescope, introduction to lens design. Practical calculations for designing a newtonian telescope jeff beish rev. A series of computations with the sinclair optics oslo program resulted in a. With great foresight, jim had built the tube oversized so he could also use it for his second schupmann, a 9 f11 design of the same focal length. The schupmann design, by requiring a large singlet lens, is of no interest for future very large solar telescopes but is an attractive concept for an evacuated meterclass solar telescope with adaptive optics. In this paper, combining the flatfield relay mirror structure and schupmann achromatic theory, a design method for compact unobscured groundbased diffractive telescope with loose tolerance is proposed. The primary objectives were to be anything but difficult to use while watching and. Although reflecting telescopes produce other types of optical aberrations, it is a design that allows for very large diameter objectives.
Ludwig ignaz schupmann 23 january 1851 in geseke, germany 2 october 1920 also in geseke was a german professor of architecture and an optical designer. The main objective lens is a simple single element lens, which has a considerable amount of chromatic aberration. During the initial stages of an optical design, many optical engineers take advantage. The year 1984 marked my second attendance at stellafane. It is a telescope design software of the most popular telescope systems used by the. The retrofocally corrected apochromatic dialyte refracting telescope. The excellent performance of the telescope after correction by the schupmann system is shown in table 1. Discussion approach to mirror cell design to design a mirror cell that will make your mirror perform at its very best, follow this procedure. I have some bk7 glass that i can cut a 6 maybe 7 disk from for the objective and a smaller one for the corrector. Chapter 18 handbook of optics photonics research group.
The seed that would eventually become mcgregor observatory was planted in june of 1987. The design for this schupmann medial was computed by ed olson and is shown below. Here for the first time is a comprehensive discussion of the design and fabrication of a high resolution instrument that. The mirror in the schupmann corrector can be replaced with a curved adaptive mirror, reducing the number of optical surfaces. Software is key for deep space exploration industry. Phd2 guiding is the successor to phd guiding, which i used for several years before upgrading to phd2. I would like to hear from anyone that has made one. Telescope control software software free download telescope. It used a convergent planoconvex objective lens and a divergent planoconcave eyepiece lens.
So i am toying with the idea of making a schupmann. Combining the schupmann achromatic theory, a compact unobscured diffractive telescope with loose tolerance is designed. While i use some of these software titles, i am in no way endorsing one brand over another. It is a telescope design software of the most popular telescope systems used by the amateur astronomers and telescope makers, including spot diagrams, ray fans, wave aberrations, diffraction analysis, optical layout, optimization, tolerancing, mirror testing and many other atm tools. Optical design of compact unobscured groundbased diffractive. Telescope control software software free download telescope control software top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. Shown below is a set of 16 images of jupiter obtained with a flea3 color video camera coupled to my 7. The designed focal length is 400 mm, f number is 5, the working waveband is 612. Modas stands for modern optical design and analysis software it is a telescope design software of the most popular telescope systems used by the amateur astronomers and telescope makers, including spot diagrams, ray fans, wave aberrations, diffraction analysis, optical layout, optimization, tolerancing, mirror testing and many other atm tools. Perfecting the refracting telescope has frustrated lens designers and glass. Small catadioptric objectives extend microscopy into the. Browse the list below to find software that suits your needs. Fields initially containing calcd andor are bordered in red are always calculated and cannot be manually entered.
The goal of the design is to make an affordable astrographic telescope with a large enough imaging plane to take advantage of. The idea that the objective, or lightgathering element, could be a mirror instead of a lens was being investigated soon after the invention of the refracting telescope. The classical schupmann medial telescope is free of the secondaryspectrum residual associated with large refractors. The objective and corrector cells he had originally made for his telescope were also available since they could not be used with the 9 f11 design. Tvv3000 usb digital telescope camera digital eyepiece. Choosing the right optical design software is about more than just the software. Page links active as of may 21 10 sbig ccds homepage and latest software for ccd owners. Here for the first time is a comprehensive discussion of the design and fabrication of these high resolution instruments. The design parameters and performance data are given for an f5. To update any type of optics telescope into digital telescope and to increase the value of your telescope by adding powerful digital. In general, this is preferred when inputting data into a lens design program or. A dialyte lens sometimes called a dialyt is a compound lens design that corrects optical aberrations where the lens elements are widely airspaced. Power of the imaging lensmirror is such that it forms image of the front lens i. Sharpcap is a simple toutilize webcam and astronomy camera capture software.
Hi all, have any of you made a schupmann telescope. The difficulties in obtaining large glass disks of the necessary optical quality and the problem associated with their mounting preclude the use of this unconventional lens in large scale astronomical systems. Also included are design prescriptions and construction information giving the advanced telescope maker a new world to explore. It works by having the equal but opposite spherical aberration of the objective it is designed to correct usually a spherical mirror. Much more recent developments in the area of catadioptric dialytes lead into a system that combines exceptional correction level with overall design. Esop repurchase obligation software telescope esop economics. One must have optics made from precision pyrex or a similar material. Planewave instruments is committed to providing observatoryclass products for serious astronomers at an unprecedented value. With skyalign, setting up and using a computerized telescope is faster and easier than ever before.
1119 933 1270 800 808 479 1312 16 1297 1308 1135 1488 866 1423 636 1126 251 170 517 733 470 903 72 996 1142 1420 949 115 677 96 1360 1353 198 55 60 235 807 130 686 695 628 1117