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What is a dobsonian mount?
Home » Astronomy » Binocular & Telescope Mounts » What is a dobsonian mount?A dobsonian mount is nothing more than an uncomplicated rocker box that swivels on its base. The telescope tube has two circular knobs on either side which sit in the cradle of the rocker box and allow the telescope to make perfect vertical or horizontal movements. The system is well-balanced and while it will stop where you leave it, a “dob” requires manual adjustment as the Earth rotates under the sky.
The dobsonian is very inexpensive, has very few moving parts, and is so simple that even a small child can use it. It divides the telescope into two major components—optical tube and rocker box. You set the tube in the box and you are ready to go!
While this will never be the choice of the astrophotographer because it doesn’t “track,” the dobsonian design is perfect for every level—from beginner to pro. No exposed moving parts means less things to get broke or lost, while its low cost means aperture at a far more affordable price!
If there is a drawback to this design, it’s that smaller size can mean an uncomfortable position to view or aim for a taller person. This is easily solved by either using the scope in a seated position or elevating it on a steady platform. Even a couple of concrete blocks will suffice to give it added height!
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