This page provides detailed plans and instructions how to build one. Emad,im not sure the differences in aperture steps,but i went with as big of scope that i can get to a dark sky. Sdm telescopes 2040 inch custom built classic style. This base is what makes the xt10 classic telescope a dobsonian reflector by name, as the first such design was made by ingenious sidewalk astronomer john dobson. In this section we will show you how to build a dobsonian mount for a small 12 inches or less primary mirror newtonian optical tube. This size telescope is also known as the 150mm reflector. Pioneered by john dobson in the 1960s, the instrument combines a newtonian reflector telescope with a unique twoaxis movable base.
You do not need a paypal account to use a credit card. It is easy to handle and highly portable, so you can move it to any location in your garden for the best views of the night sky. The orion skyquest xt8 8 20cm f6 telescope has become the standard of. How to collimate a reflector telescope download size. Gso dobsonian telescope 200c 8inch aperture with fine crayford focuser this classic 8inch dobsonian from guan sheng optics offers high optical performance at a low price. The dobsonian mount, popularized by john dobson in the late 1970s, is a very simple but effective method of mounting a newtonian reflector, based on the altazimuth principle. The optical part of the telescope or ota optical tube assembly is the same as a newtonian reflector telescope. The orion skyscanner 100mm tabletop reflector is just the right size large enough to see night sky objects yet compact enough to sit on a desk. These instruments offer an incredible aperturetoprice ratio. The diameter of a telescopes main lens or mirror and the scopes most important attribute. Page 1 of 2 questions on a dobson 6 f8 posted in reflectors. Shown below is the layout of the optics of a newtonian tube assembly.
Hello, i am looking for information about whether a dobson telescope 6 f 8 could be a good scope to visually observe the moon and planets. A six inch telescope is pretty much the amateur astronomers entry level size telescope. Skywatcher the worlds largest telescope manufacturer. The orion skyquest dobsonian telescopes are designed for beginners who seek the best possible view of the planets, moon, and faint deep sky objects while on a constrained budget. Dobsonian telescopes telescopes by type telescopes. With an eyepiece height of only 92, many people will only need 2 steps up at zenith. Want a truly monster dobsonian telescope, but not a monster ladder. It was extremely easy to assemblei had already downloaded the manual, and it. Gs6808 f6 dobsonian the gso dobsonian line is particular model serves a very clear purpose, to offer a large aperture and an excellent image quality at reasonable cost. It is ideal with nclt travel instruments for ratios around f3. This telescope comes with a free download of starry night astronomy software. Celestron telescopes for customers with special needs, we have provided a customer support phone number reachable 24 hours a day, 7 days a week, 365 days a year. The advanced vx 6 newtonian telescope is an excellent entry to midlevel setup that can grow with you. Build a backyard dobsonian telescope make magazine.
Table of contents introduction and photo of completed scope. D200mmf1200mm reflector, dobson mount, 2 eyepiece adapter,reducing adapter 1,25, 9x50 finderscope with bracket, eyepieces 1,25 super. This size telesocpe is a good size for beginners to the hobby of astronomy. Ota optical tube assembly is the same as a newtonian reflector telescope. Windows 2000, windows xp, windows server 2003, windows vista, windows 7, windows server 2008. Unfollow dobsonian telescopes to stop getting updates on your ebay feed.
A dobsonian is a type of telescope designed by an american named john dobson. The optical and mechanical quality are without any compromises. Bubendorf group for decades, we four or five people have been observing in the basle jura alps, where there are really dark places. Questions on a dobson 6 f8 reflectors cloudy nights. Skywatcher skyliner200p 20cm 8 inch parabolic dobson robtics. Sporting the large light bucket users have come to expect from a dobsonian, the skywatcher 6 f8 traditional dobsonian telescope gives users performance at a reasonable price. Orion 10012 skyscanner 100mm tabletop reflector telescope.
You can buy some ready made parts, or you can make everything on your own, including the mirrors and eyepieces. Ultralight nclt telescope versions made of carbon composites. So ill have to carry this stuff about 100 meters to set up,but it is. Sips is a combination of an optical paracorr ii coma corrector from televue with an attached lightweight focuser. The newtonian optical design is excellent for visual observing and offers you the largest aperture for the price. Skyquest xt8 intelliscope 820cm f6 dobsonian telescope.
D200mmf1200mm reflector, dobson mount, 2 eyepiece adapter,reducing adapter 1,25, 9x50 finderscope. Skywatcher dobsonian telescopes dobsonian telescopes by. A lens or mirrors focal length divided by its aperture. Not in quantity of numbers, but aperture an exclusive group of owners of sdm telescopes gathered under the same dark sky as our professional observatories in line of sight to the siding spring observatory. Dobsonian telescope, the ultimate in light gathering, tabletop. Lightweight feathertouch focuser from starlightinstruments are meeting the requirements for visual and photographic purposes for advanced travel and backpack instruments in very fast f3 telescopes. Skywatcher 200p dobsonian reflector available for hire. Hi, my name is mike and poof im now an amature telescope builder i guess. Reflectors were, in spite of all, considered by the majority of astronomers around the turn of the century, as imprecise and.
The ability to reflect light has paved the way for new discoveries with the opportunity to observe magnified terrestrial or deep space images. Thanks to its small stature, the skyscanner is a great grabandgo telescope for visual adventures as close as the backyard table, or. On the other hand, i wonder if it is still a manageable and more or. Download the celestron pwi telescope control software. Skywatcher skyliner200p 8 parabolic dobsonian 10717skywatcher skyliner200p 20cm 8 inch. Skyquest xt8 intelliscope 820cm f6 dobsonian telescope xt8. A dobsonian telescope is an altazimuthmounted newtonian telescope design popularized by john dobson in 1965 and credited with vastly increasing the size of telescopes available to amateur astronomers. The orion skyquest xt8 8 20cm f6 telescope has become the standard of excellence for production 8 dobsonian telescope, it remains the most highly regarded model of its type at company seven. The 8 aperture model is our most popular first telescope dobsonian reflector, particularly attractive among those who desire an. This skywatcher 20cm 8 inch dobsonian f8 telescope would be the worlds most popular model as it. Zhumell z12 deluxe dobsonian reflector telescope zhue0251 based on your feedback with its z12 dobsonian telescope, zhumell took a completely new approach. Or for information about the skyview pro equatorial mount alone download the.
After making a 20 f3 mirror and seeing how well it performed under steady florida skies, what could i possibly dream up next. This type of mount has two degrees of movement, one vertical and the other horizontal, and is similar in concept to a photographic tripod. Well, thanks to my late friend john dobson, and further improvements. The lower focal ratio of the reflector meant shorter tubes, smaller domes and lower overall costs. Orion skyquest xt8 8 dobsonian telescope company seven. While others compete on price alone, orion competes on performance and price. Dobsonian telescopes with free shipping orion telescopes. These telescopes are mediumsize, as amateur telescopes go the amateur rage would be 4 to 20 inches in diameter. This fast f5 optical system provides spectacular widefield images for the discriminating deepsky observer and astrophotographer. The parabolic primary mirror minimizes spherical aberration to produce a sharper image near the edge of the field of view. It is generally based on a newtonian reflecting telescope tube supported on a very simple mounting.
Skywatcher 10 inch f5 newtonian reflector on an eq6 equatorial mount. Get in touch with the skywatcher usa support team or download software and manuals for your product. Skywatcher 200p dobsonian is the uks most popular telescope for visual astronomy. In the 1960s, john dobson s simple new telescope design revolutionized the hobby of amateur astronomy and brought sidewalk astronomy to the masses. So right now my 10 is loaded and im heading for a break in the clouds 50 miles away. Its large parabolic primary mirror is highly reflective and corrects spherical aberration to eliminate distortion across the entire field of view, especially at the edges. I saw a couple of links here with plans for largersized dobs or dob mounts, but i found a nice plan for creating a dobsonian base for a 4. Plans for a dobsonian telescope plans for a homemade dobsonian telescope since you are reading this, you are probably considering to build your own dobsonian telescope. It uses a primary mirror to capture and reflect light, a secondary mirror to direct light into an eyepiece, and a focuser to make fine adjustments for viewing. I want to be able to see deep space so i was looking at reflectors. Dobsonian telescopes, such as tasco reflector telescopes, are newtonian reflector telescopes mounted on an altazimuth mount. The first orion product company seven chose to place on line.
More than half a century later, dobsonian telescopes are still a favorite among experienced stargazers for providing the handsdown best valueperdollar on the telescope market. Although the problem i have is i do not know if i should buy a dobsonian or a newtonian reflector. The puzzled expression on my face is one that could have been seen many times on this project. Fast 6aperture reflector lets you take short exposures with bright, highresolution results precise 2 dualspeed 10. Meade lx70 reflector, 6 telescopes, solar telescopes. The cmc sat imaging shows a nice hole in the clouds starting around 10.
This model is excellent value for money and suitable for all ages above 10 yrs. In 1895, workers finished the largest achromatic refractor that would ever be created. For paypal users, use this button to place your order. You can use this mount with an existing newtonian, or perhaps you have just built the newtonian ota we described in the previous section. In the 1960s, john dobsons simple new telescope design revolutionized the hobby of amateur astronomy and brought sidewalk astronomy to the masses. A member of my local astronomy club in niagara rasc niagara centre owns a massive 20 inch dobsonian telescope that he will often bring out to our observatory site in the summer.
Orion 6 inch f4 newtonian astrograph reflector telescope. Your eyepieces are the first accessories you should learn to use with your telescope. For instance, a telescope with an 80mmwide lens and a 400mm focal length has a focal ratio of f5. George ellery hale, an american astronomer, convinced the chicago tycoon charles tyson yerkes to finance the telescope. Orion 09007 spaceprobe st equatorial reflector telescope black. Telescope shop, astronomy store, reflector telescope india, refractor telescope india, cassegraine telescope india, astrophotography india, learn astronomy india, online astronomy store india mumbai, best telescope india, online telescope india, astronomy telescopes, celestron telescopes. Orion skyquest xt8i intelliscope dobsonian telescope. The meade lx70 6 newtonian reflector is equipped with a highquality f5 parabolic primary mirror. I mean, if this telescope can collect enough light to be able to show formations interesting spots, with details. Finder chart can theoretically be any size but mine are usually a maximum of 300 x 300 px. Dobsons telescopes featured a simplified mechanical design that was easy to manufacture from readily available components to create a large, portable, lowcost telescope. From what ive heard elsewhere it boils down to the 8 will allow more light gathering and, therefore, to see slightly fainter things but the 6 has a longer focal ratio, meaning it will be more forgiving to use, theres is also more money in the pot to purchase extra eyepieces etc. For only about a 25 per cent higher cost than a good dobsonian 8 20cm. Just set the xt10 classic dobsonian base down where you want to observe, bring out the reflector optical tube, and securely couple the tube to the base using the correctension springs.
We shaved every possible inch off the height of this instrument and have produced a telescope over 3 feet shorter than our competitors 25 scopes. Download your chart from vsp and resize to halfmeasure 600 x 750 pixels with red stars on black so they fit in the apps picture box. Introduction to the dobsonian telescopes one type of telescope that students in the astronomy class frequently use is a 10 inch dobsonian telescope. Celestrons free planetarium app is an astronomy suite that redefines how you experience the night sky. Reflector telescopes come in many designs based on the source image to be observed. Zhumell z12 deluxe dobsonian reflector telescope zhue0251.
Celestron telescopes, telescope accessories, outdoor and. Skywatcher skyliner200p 20cm 8 inch classic dobson telescoop. Pioneered by john dobson in the 1960s, the instrument combines a newtonian reflector. The new generation dobsonians offer you great portability and large aperture optics. Dobsons telescopes featured a simplified mechanical design that was easy. Parts, kits, ultralight conversions for your optics complete telescopes now available. Now an employeeowned company, we pride ourselves on an unswerving commitment to best quality products, value and unmatched customer care.