![]() ![]() The 5SE performs exceptionally well and offers great image quality for a telescope of its size, but if you’re looking to view a bit more, we recommend upgrading to the 6SE. This light contributes to image sharpness. Aside from being the diameter measurement of the telescope’s lens or mirror, aperture coincides with the amount of light that can be let in. The numbers of these models indicate the aperture size (in inches) of its main optical unit. The Celestron NexStar 5SE is part of a series which includes a 4SE, 6SE, 8SE, and so on. ![]() This is largely due to the responsiveness of its tracking and its micro adjustments. The Celestron NexStar 5SE can be aligned and set to focus on specific objects with the controller (which performed seamlessly during testing). It has a computerized operating system that comes with a handheld controller which guides it. This telescope comes with a 25mm eyepiece. You’ll be able to easily locate objects such as the rings of Saturn and the cloud bands of Jupiter. It’s a Schmidt-Cassegrain telescope that utilizes mirrors and lenses, and its primary 5-inch mirror contributes to its impressive light-gathering capabilities which showcase deep space objects. For our testing pool, we did not venture into those with much larger 10-inch, 12-inch, or 14-plus-inch apertures they are often so big and unwieldy as to deter many people from getting their telescope out and using it as much as possible.While many products for beginners also serve to help show them the ropes of whatever it is they’re delving into, we chose the Celestron NexStar 5SE as our top pick because it does a lot of work for the user when it comes to learning about astronomy. That said, larger apertures are more sensitive to heat currents and turbulent atmospheric conditions, and that can affect the image’s sharpness. A larger aperture will in fact collect more starlight in any scenario, allowing you to view fainter objects. Another concern: The “urban aperture” myth suggests that a larger-aperture telescope will collect excess light pollution in city environments, thus affecting performance. If you are viewing super-dark skies with the hope of seeing deep-sky objects like diffuse nebulae, planetary nebulae, open clusters, globular clusters, and galaxies of the Messier catalog, the “bigger aperture equals better vision” maxim holds true. With this model, we easily spotted Saturn’s rings and Jupiter and its moons.Īs Mounsey stressed, the need for a bigger aperture depends on where you are viewing from and what you hope to see. The mirrors expand and collapse, making this model even more amenable to being stored indoors. Like our top pick, this Newtonian-style reflector telescope has a 5-inch mirror, but it’s designed to sit on a tabletop rather than on a tripod, so it works best if you have a picnic table or other support to set it on. So if you’re willing to put in the effort, you’ll become a smarter stargazer. With that in mind, some of our experts told us they preferred (and even advised) learning the ins and outs of astronomy on a manual telescope. (Unlike our top pick, this telescope won’t automatically find the specific celestial bodies you seek.) One reason you may not want a manual telescope: You have to collimate (align) the telescope’s mirrors, and if you aren’t aware this has to be done, it can be tedious or frustrating. If you don’t want an electronic GPS function, the Astronomers Without Borders OneSky Reflector Telescope offers the most scope for the money. So you should have no problem packing it into a trunk and setting it up on location. ![]() This scope weighs 15 pounds, making it very portable relative to other options out there. ![]() Unlike with some of the NexStar 5SE’s competitors, this controller worked flawlessly in our tests, offering micro adjustments and responsive tracking with the attached controller system. Instead of fumbling to read star charts and align the telescope manually, with the press of a button you can align and focus your telescope on a myriad of celestial objects. The NexStar 5SE operates on a fully computerized system and gives you a handheld controller to guide it. And it provides sufficient power to introduce you to objects in the deep sky. This telescope has a primary 5-inch mirror-big enough for a light-gathering capacity that yields crisp images of some of the best objects in our solar system, from Saturn’s rings to Jupiter’s cloud bands. The Celestron NexStar 5SE-our pick for the best amateur telescope-is a Schmidt-Cassegrain scope, which means it uses both lenses and mirrors in a relatively compact package. ![]()
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