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Achromatic refractor. Aperture: 80mm. Focal length: 900mm

80
Aperture – the diameter of the light-collecting lens (refractors and catadioptric) or mirror (reflectors) that the telescope uses to collect light
900
Focal length – the distance from the primary lens or mirror to the point at which the light is focused
Refractor
Optical design
Availability

Product ID 78727
Brand Discovery
Warranty 10
EAN 5905555013893
Package size (LxWxH) 96x29x18
Shipping Weight 8
Description

discovery_logo_02

Discovery Channel informs, entertains and inspires its audiences around the globe about the world in all its wonder, diversity and amazement. Offering millions of people the chance to discover, and satisfy their curiosity, Discovery offers a compelling mix of stories across genres including science and technology, exploration, adventure, history and in depth behind-the-scenes glimpses at the people, places and organisations that shape and share the world we live in.

We proudly present the Discovery optics series that is produced by Levenhuk and endorsed by Discovery.


The Levenhuk Discovery Spark 809 EQ with a book will be enjoyed by both beginners and more experienced users. It is a long-focus refractor with achromatic optics that enables you to study the Moon in detail, view the planets, and observe other deep-sky objects. The telescope does not have to be left unused during the day either: It can serve as a spotting scope with high-power magnification to observe terrestrial objects.

The equatorial mount, which is used to point the Levenhuk Discovery Spark 809 EQ telescope, is equipped with slow-motion control for accurate and comfortable positioning. You can easily track objects that are drifting out of your field of view as they are moving across the sky. The optics of the achromatic refractor produce an image free of color distortion, and the anti-reflective coating makes it clear and crisp. You can observe the night sky at different magnifications by changing and combining eyepieces and a Barlow lens. An erect image eyepiece and a diagonal mirror for terrestrial observations are also already included.

During observation, the accessories are kept on a tray in the center of the tripod in special compartments. The tripod is made of aluminum and stands sturdy on any surface. Among all of these accessories, you will find one more useful item in a colorful gift box: The “Space. Non-empty emptiness” knowledge book. It is a colorfully illustrated encyclopedia that presents interesting facts about astronomical objects in an easy-to-understand format.

Key features:

  • For near space and terrestrial objects observations
  • Achromatic optics with an anti-reflective coating
  • Equatorial mount with slow-motion controls
  • Sturdy aluminum tripod with adjustable legs
  • Many accessories and a knowledge book

The kit includes:

  • Optical tube
  • SR 4mm eyepiece
  • H 12.5mm eyepiece
  • H 20mm eyepiece
  • 1.5x erect image eyepiece
  • Optical finderscope 5x24
  • 90° diagonal mirror
  • 3x Barlow lens
  • Equatorial mount EQ1
  • Slow-motion control knobs
  • Counterweight
  • Counterweight bar
  • Aluminum tripod with an accessory tray
  • "Space. Non-Empty Emptiness" knowledge book
  • User manual and warranty card
Specifications
Product ID 78727
Brand Discovery
Warranty 10
EAN 5905555013893
Package size (LxWxH) 96x29x18
Shipping Weight 8
Extended kit
Optical design refractor
Optical scheme achromat
Optics material optical glass
Optics coating anti-reflective
Objective lens diameter (aperture), mm 80
Focal length, mm 900
Highest practical power, x 160
Aperture ratio f/11
Resolution threshold, arcseconds 11
Limiting stellar magnitude 11.62
Eyepieces SR4mm (225х), H12.5mm (72х), H20mm (45x), 1.5x erecting eyepiece
Eyepiece barrel diameter, in 0.965
Barlow lens 3x
Finderscope optical, 5x24
Focuser rack & pinion
Tripod aluminum
Tripod height (adjustable), mm 670–1230
Accessory tray
Telescope control manual
Mount equatorial, EQ1
Optical tube mounting mode screws
Optical tube material metal
User level beginners, experienced users
Assembly and installation difficulty level easy
Observed object planets of the Solar System, terrestrial objects
Reviews
Telescope accessory installation diagrams (.pdf) (13.12.2019)
Convenient diagrams that describe how to install additional accessories on refractors and catadioptric telescopes
Levenhuk Telescope Assembly Guide (14.12.2019)
Find out how to assemble a telescope on an example of the Levenhuk Skyline 90x900 EQ telescope
A quick guide for novice astronomers (16.12.2019)
This short guide will help you avoid typical mistakes and learn more about telescope and mounting types
A telescope: how to start observing (16.12.2019)
The basics of astronomical observations for beginners
Frequently Asked Questions – Telescopes (20.04.2020)
In this article we have gathered answers to some of the most frequently asked questions about telescopes
First Steps in Astronomy Made Easy! (18.05.2020)
You can actually perform observations from your balcony!
Beginner’s Short Guide to Telescopes (18.05.2020)
All about telescope sizes, types, magnification, and mounts
How to use a telescope (18.05.2020)
Learn how to set up and use the telescope properly
Astronomical observations in the city (18.05.2020)
Astronomy in light-polluted skies. Find out what you can observe in the city
Telescopes for children (19.05.2020)
Read an interesting comprehensive article on telescopes for little astronomers
Things you can see with a telescope based on its aperture (19.05.2020)
Celestial objects you can observe with telescopes of different apertures
What can you see with a telescope (19.05.2020)
Colored and vivid images of galaxies, planets and star clusters entrance everyone who is fascinated by boundless space
What is a refracting telescope? (20.05.2020)
Find an interesting review on the history of the changes to a refracting telescope
How to choose a telescope (20.05.2020)
To make the process of choosing a telescope easier, we will tell you about the characteristics of the most popular types of telescopes today
A short guide to refractor telescopes: choose your equipment wisely (20.05.2020)
Learn everything you need to know about refractor telescopes to make the right choice
How to make science fans of all ages happy this holiday season: Discovery and Levenhuk update the Xmas gift list (25.04.2023)

Having thought of you and your loved ones, Levenhuk and Discovery have rounded up several desirable gifts for this Christmas

Levenhuk Discovery optical equipment reviews (26.04.2023)

Playlist with reviews of telescopes, binoculars, monoculars, microscopes, planetaria, meteorological stations and other Levenhuk Discovery optical equipment

From the microworld to the infinite Universe: The Discovery Channel and Levenhuk are pushing the boundaries of knowledge (25.05.2023)

Eager to learn and explore everything around you? If so, consider treating yourself with new optical instruments to get one step closer to the myriad of unexplored wonders of nature that are all around us every day.

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