
( Brand: Celestron ), ( Manufacturer Part Number: 822010 ), ( Color: Multicolor ), ( Size: 90az Refractor ), ( UPC: 050234210638 ), ( Package Dimensions Lxwxh: 42.13x14.96x9.53 Inches ), ( Weight: 20.64 Pounds ), ( Type: Refractor ), ( Mount Type: Altazimuth )
The Celestron AstroMaster 90AZ Refractor Telescope is a versatile and user-friendly instrument designed for both beginner and experienced stargazers. This 90mm refractor telescope features a sturdy and lightweight altazimuth mount, making it easy to set up and maneuver for optimal viewing.
The telescope's 90mm achromatic refractor objective lens offers a high-quality, sharp, and color-corrected view of the night sky. It has a focal length of 1350mm and a focal ratio of f/15, providing a generous 82-degree apparent field of view. This wide field of view allows you to easily locate and enjoy viewing celestial objects, from bright planets and stars to deep-sky objects such as nebulae and galaxies.
The AstroMaster 90AZ Refractor Telescope comes with two eyepieces: a 20mm Kellner eyepiece with a 65x magnification and a 10mm Plossl eyepiece with a 135x magnification. These eyepieces allow you to adjust the magnification to suit your preferences and the specific object you're observing. Additionally, the telescope includes a 3x Barlow lens, which can be used to increase the power of your eyepieces for even more detailed views.
The telescope's altazimuth mount features smooth and precise movement, allowing you to easily track celestial objects as they move across the night sky. The telescope also includes a built-in slow-motion control, which enables fine adjustments to the telescope's position for even more precise viewing.
The AstroMaster 90AZ Refractor Telescope is also equipped with a sturdy tripod, which provides a stable and secure base for the telescope. The tripod has adjustable legs, allowing you to easily level the telescope on uneven surfaces. The telescope also includes a finderscope to help you quickly locate and center objects in the main telescope lens.
Overall, the Celestron AstroMaster 90AZ Refractor Telescope is a high-quality and versatile instrument that is perfect for both beginner and experienced stargazers. Its sturdy and lightweight altazimuth mount, high-quality optics, and included accessories make it a great choice for anyone looking to explore the night sky.
Pros of Celestron AstroMaster 90AZ Refractor Telescope (Model 822010):1. Affordable: The AstroMaster 90AZ is a cost-effective option for beginners, making it an excellent choice for those new to telescope ownership.
2. Portable: The telescope is lightweight and compact, making it easy to transport and set up, perfect for outdoor activities and stargazing on-the-go.
3. User-friendly: The AstroMaster 90AZ includes a fully-coated 90mm objective lens and a sturdy altazimuth mount, making it easy for beginners to find and focus on celestial objects.
4. Versatile: The telescope can be used for both terrestrial and celestial observations, making it a versatile choice for beginners looking to explore various types of astronomy.
Cons of Celestron AstroMaster 90AZ Refractor Telescope (Model 822010):1. Limited magnification: With a maximum magnification of 100x, the AstroMaster 90AZ may not provide detailed views of distant celestial objects for more advanced astronomers.
2. Limited aperture: The telescope's 90mm objective lens has a smaller aperture, which can limit the amount of light it collects, potentially resulting in fainter images and reduced contrast.
3. Limited field of view: The AstroMaster 90AZ's smaller aperture also results in a narrower field of view, making it more challenging to locate and track objects.
Conclusion:The Celestron AstroMaster 90AZ Refractor Telescope is a great option for beginners looking for an affordable, portable, and user-friendly telescope. Its lightweight design and ease of use make it perfect for outdoor adventures and stargazing with family or friends. However, its limited magnification, aperture, and field of view may not satisfy more advanced astronomers looking for a more powerful telescope.
Recommendation:If you're a beginner in astronomy and are looking for an entry-level telescope to start your journey, the Celestron AstroMaster 90AZ is an excellent choice. Its affordability, portability, and user-friendly features make it a great tool for learning the basics of astronomy. However, if you're looking for a more advanced telescope with higher magnification, a larger aperture, and a wider field of view, you may want to consider upgrading to a more powerful model in the future.
Refactors are known for their crisp, high contrast views of the Moon and planets Astromaster 90 delivers sharp right out box. This new tripod seems reasonably solid, I had no trouble focusing on the Moon and stars even with high power eyepiece. QUICK SETUP LIGHTWEIGHT FRAME: This telescope for adults and kids to be used together features a lightweight frame manual Altazimuth mount smooth accurate pointing. With its fully illustrated quick set up guide, the telescope is easy to assemble, and package includes an erect image prism, high low power eyepieces, astronomy software for your PC.
You'll also receive a two-year warranty and unlimited access to technical support from our team of US-based experts. It features fully-coated glass optics, a sturdy and lightweight frame, two eyepieces, Star Pointer red finder scope an adjustable tripod. An Alt-azimuth mount, of course, is best used at low to medium powers because it does not track the motion stars. It also features an AstroMaster Altazimuth manual mount that includes a panning handle allows you to make precision adjustments easily follow celestial objects as they appear move across the night sky.
The tripod comes fully assembled, and the telescope simply clamps into a standard dovetail. Setup is quick and easy, with no tools required. Superior materials provide crystal-clear, bright images of Saturn, Jupiter, and the Moon, along with deep space objects including brighter galaxies nebulae. Accessories also include a FREE download of one the top consumer rated astronomy software programs.
With more than double the light gathering power of 60mm starter scopes, its a great introduction to astronomy and it can as long range spotting scope. This allows you to focus on distant objects with amazing clarity. Bigger and more impressive than it looks in pictures, the Astromaster 90AZ is an adult size telescope that stands nearly five feet high weighs about 20 pounds. As soon as you get the Moon centered in eyepiece, it starts drifting toward edge-this is caused by rotation of Earth.
The sharp optics produce a right side up image, the mount is easy to use, and included planetarium software helps you find planets in night sky. Celestial objects will stay in the low power field of view for three or four minutes, but with a high eyepiece they may disappear minute less. The AstroMaster mount features a panning handle that allows you to make precision adjustments view celestial and terrestrial objects. Com, Celestron Astromaster 90AZ refractor telescope is a good choice for anyone who wants dual purpose.