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About this product
- 90mm f/13.8 Maksutov-Cassegrain telescope with Ultra-High Transmission Coatings (UHTC); 1250mm focal length
- AudioStar handbox with over 30,000 objects in it's database & a built-in speaker
- Removable optical tube assembly (OTA), allowing the user to take the scope off of the fork mount for customization
- Includes two 1.25 Super PlÇôssl Eyepieces: 26mm (48x) & 9.7mm (129x), and a Red Dot Viewfinder to help aim the scope
- Includes a hard carry case for the mount/optical tube and accessories, and a tripod bag for the tripods
Starting your astronomy journey with the ETX 90 is an excellent choice. Take advantage of 90mm of aperture to enjoy close-up views of the solar system and celestial objects anytime, anywhere. Packing your ETX 90 Observer and tripod at a moments notice is a breeze with the carrying case and durable tripod bag.
The ETX 90 Observer fully equips the modern explorer with a sophisticated, automated and portable telescope. Its dual-purpose design includes a removable OTA and includes exceptional features like AudioStar, GOTO technology, and large 30,000 object database. Its a perfect scope to accompany you during camping, hiking, and outdoor activities. Exploring and night-sky stargazing is made fun, easy and educational. With the ETX 90, youll see planets, stars, galaxies and nebulae at the push of a button. The legacy of the ETX Series continues.
The ETX90 Observer has a Maksutov-Cassegrain optical design for pinpoint star images and extraordinary contrast, making it a great deep sky performer and ideal for detailed lunar and planetary observation at high magnifications. The Ultra-High Transmission Coatings (UHTC) give maximum light transmission, ensuring the brightest images and the highest contrast. It has a flip mirror included to let light focus to the rear of the telescope (instead of the mirror reflecting the light 90 degrees to the eyepiece), allowing attachment of a camera on the back of the scope (adapters not included). The ETX90 Observer comes with a bubble Level/Compass to make sure your tripod and mount are level.
Includes a portable but extremely stable full size steel tripod, and comes with an equatorial tilt plate, allowing for polar alignment which is critical for long exposure astrophotography. Also includes a hard carry case for the mount/optical tube and accessories, and a tripod bag for the tripod.
|Aperture||3.5" / 90 mm|
|Focal Length||1250 mm|
|Eyepiece Barrel Diameter||1.25"|
|Tripod||Adjustable-height steel leg tripod|
|Mount Type||Dual Fork Altazimuth|
|Power Source||6 AA Cell Batteries|
|Optical Tube Dimensions||13 x 4.0" / 33 x 10.2 cm|