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 66 of 80 
Orion Telescopes
Beginner
Orion BX90 EQ 90mm Equatorial Refractor Telescope
€ 229.99
 
Accepted Payment
In Stock
  • This complete, mid-size refractor telescope is packed with features for serious beginners
  • Versatile 90mm aperture, f/6.7 telescope delivers bright views of a wide variety of celestial objects from the Moon and planets to star clusters and more beyond the Solar System
  • Designed for stargazing, the included EQ-1C equatorial mount provides slow-motion controls to easily track objects as they appear to move across the night sky
  • Use the included 25mm eyepiece for wide 24x views, and boost power up to 60x with the 10mm eyepiece
  • Also includes 90-degree diagonal and a red-dot reflex sight


Learn more
Item #  52588e

With its moderate f/6.7 focal length and 90mm aperture, this mid-size refractor telescope is a great choice for serious beginners.

The wide-field optics of the BX90 EQ Refractor makes it easier to find objects in the night sky compared to longer telescopes. The refractor's substantial 90mm (3.54") objective lens collects much more light than typical starter scopes for brighter, more pleasing performance on a wide variety of interesting celestial objects. Whether you're going after powerful views of craters on the Moon, or looking for wide views of star clusters beyond the Solar System, the versatile Orion BX90 EQ Refractor fits the bill. Internal, knife-edge baffles help minimize off-axis reflections to optimizes contrast for sharp and crisp observations.    

The included EQ-1C equatorial mount comes with useful slow-motion controls which can be used to manually track objects as they appear to move across the sky. You can even add an optional EQ-1CM motor drive (sold separately) for hands-free tracking. The EQ-1C mount sits on top of a sturdy tripod with a clip-in accessory tray that enhances stability and provides a spot to stow idle eyepieces and accessories. The tripod features extendable legs which can be adjusted in height for comfortable use. Once assembled, the entire BX90 EQ weighs 15.5 lbs. for easy portability.

This complete telescope setup comes with everything you need to star stargazing right away. Two 1.25" eyepieces provide different magnification options right out of the box. Use the included 25mm Kellner for wide views at 24x magnification, and boost magnifying power up to 60x with the 10mm Plössl eyepiece when you want to take a closer look. The Orion BX90 EQ Refractor Telescope also includes a 90° star diagonal for comfortable nighttime viewing and a red-dot sight to help aim the telescope.

Warranty

Limited Warranty against defects in materials or workmanship for one year from date of purchase. This warranty is for the benefit of the original retail purchaser only. For complete warranty details contact us at sales-eu@telescope.com

Product Support
Visit our product support section for instruction manuals and more
  • Best for viewing
    Lunar & planetary
  • Best for imaging
    Solar, lunar & planetary
  • User level
    Beginner
  • Optical design
    Refractor
  • Optical diameter
    90 mm
  • Focal length
    600 mm
  • Focal ratio
    f/6,7
  • Coatings
    Multi-coated
  • Optics type
    Air-spaced doublet
  • Glass material
    Crown/Flint
  • Eyepieces
    Kellner 25,0 mm,Plossl 10,0 mm (1,25")
  • Magnification with included eyepieces
    24 x, 60 x
  • Resolving power
    1,29 arc*sec
  • Lowest useful magnification
    13 x
  • Highest useful magnification
    180 x
  • Highest theoretical magnification
    180 x
  • Limiting stellar magnitude
    12,4
  • Finder scope
    Reflex sight
  • Focuser
    1,25" Rack-and-pinion
  • Diagonal degrees
    1,25" 90° Mirror Star
  • Mount type
    Equatorial
  • Astro-imaging capability
    Lunar & planetary
  • Dovetail bar system
    Yes
  • Motor drive compatibility
    Clock drive sold separately
  • Setting circles
    Yes
  • Polar-axis scope
    Not available
  • Tube material
    Steel
  • Tripod material
    Aluminum
  • Length of optical tube
    60,2 cm
  • Weight, optical tube
    1,5 kg
  • Weight, mount/tripod
    4,0 kg
  • Weight, fully assembled
    7,0 kg
  • Additional included accessories
    Included accessories may vary for 2nds, Substitutions may be made
  • Other features
    2nds are covered by Orion's Satisfaction Guarantee
  • Warranty
    One year
  • Lithium battery weight
    0.10g

Orion BX90 90mm f/6.7 Refractor Telescope Optical tube
EQ-1C equatorial mount and adjustable tripod
One 3.25 lb. counterweight
Tube mounting clamp
25mm Kellner eyepiece, 1.25"
10mm Plossl eyepiece, 1.25"
90-degree Star diagonal, 1.25"
Red-dot reflex sight
 

Orders received by 5pm UTC for in-stock items ship the next business day. When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available. You have the option in check out to request that your order ship complete, if you'd prefer.

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