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Related Manuals for Orbitor C90T
Summary of Contents for Orbitor C90T
- Page 1 Educational Fun Telescope from orbitor ...
- Page 2 Here are the main parts of your C90T: NEVER aim your telescope at the sun or even close to the sun! Instant and irreversible damage can occur, Do not let children use any telescope without adult supervision. A: 20mm. Eyepiece...
- Page 3 The C90T has been designed to show you the moon’s craters, Jupiter’s major moons, and Saturn’s rings, in addition to dozens of galaxies, star clusters, and nebulae (huge glowing areas in the night sky).
- Page 4 ASSEMBLY: 1.) Carefully remove all parts from the cardboard cartons and lay them on a table or floor in order to take an inventory of all the pieces. Keep your box for storage or in case you ever need to ship your telescope. 2.) Spread the three legs of the table-top tripod apart and gently press down on the center of the tripod supports until they lock into place.
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Page 5: About Magnification
(Picture #5) THE ALTAZIMUTH MOUNT The C90T telescope is fitted with an Altazimuth mount. “Altitude" refers to the vertical, or “up and down” movement of the telescope, while "Azimuth" refers to the horizontal, or “side-to side” movement. -
Page 6: Using Your Telescope
power of your telescope with any particular eyepiece, simply divide the focal length of the telescope (360mm) by the focal length of the eyepiece (indicated in “mm” on the eyepiece collar). Example 360mm focal length (tube) 20mm focal length (eyepiece) The two interchangeable eyepieces included, provide the following magnification powers: Eyepiece 20mm... - Page 7 leave the lens cap off the objective lens, tilt the objective (front) lens face down, and wait until the telescope reaches room temperature. With the diagonal mirror already attached and in place, we recommend starting your viewing with the low power 20mm eyepiece because it gives you the widest angle with the brightest and sharpest views.
- Page 8 If you keep the dust caps on your telescope when it is not in use and avoid handling the lenses or mirrors, only minimal optical maintenance of your telescope should be required. Extensive cleaning is usually only necessary every few years. What to Look For in the Sky There is a whole universe of objects you could view at night, so where do you start? We recommend starting with the most prominent objects first.
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Page 9: Frequently Asked Questions
Jupiter is the largest planet in our solar system and the second brightest next to Venus. Jupiter has many moons, four of which are often visible through your telescope, when viewing conditions permit. As you watch them throughout the evening, you will see that they change position relative to each other and to Jupiter. - Page 10 4) As I look through my telescope, objects in the sky appear to move. Why is that? The constant rotation of the earth makes things appear to move. Lower-power eyepieces will reduce this effect of movement considerably and allow you to observe an object for a longer duration before you have to readjust your telescope.
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