Designed with you in mind Zhumell"s latest Dobsonian telescope is the result of a new approach to design. Customers like you told us how to improve our Dobsonian, and we listened. Never before has a telescope been designed with consumer needs, wishes and recommendations so much in focus. The Zhumell Z10 Deluxe Dobsonian Reflector Telescope features a 10-inch aperture to capture substantial light for clear, long-range viewing. Used in conjunction with the two included eyepieces (32mm and 9mm) and Dobsonian stand, this telescope will make your night-sky observations and star parties more enjoyable than ever. A primary mirror cooling fan brings the telescope into thermal equilibrium quickly so you can enjoy long viewing sessions without delay. You"ll also enjoy the new adjustable azimuth bearing system, which facilitates smooth, even motion when tracking celestial objects. When you arrive at your subject, the dual-speed Crayford focuser allows for quick, easy adjustments, while the laser collimator ensures rapid, accurate optical alignment. Zhumell Z10 Telescope dimension data: * Total height - 55 inches * OTA length - 48 inches * Base height - 25 inches * Base diameter - 22 inches About Zhumell At Zhumell we"re committed to precision, performance, and people. Our products are designed and tested to make sure that they perform not only to our expectations, but to our customers" as well. We know that Zhumell customers are unique individuals whose pursuits vary and who demand the best products available. Whether you"re an avid birder waiting to catch a glimpse of a yellow-rumped warbler or a keen observer and searcher of the night sky, we have the products that fit your needs. * 10-inch aperture * Parabolic mirror * 2-inch, dual-speed Crayford focuser * Clutch mount with tension knob * Primary mirror cooling fan * New adjustable azimuth bearing system * Laser collimator for easy optical alignment