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USA Bresser Sirius 70/900 AZ Telescope with smartphone camera adapter
The price is valid only for the online store and may differ from the prices in retail stores.
A classically designed refractor telescope with precise coated optics
Refractor
Optical design
70
Aperture – the diameter of the light-collecting lens or mirror 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
| Product ID | 74305 |
| Brand | Bresser GmbH, Germany |
| Warranty | 2 years |
| EAN | 4007922001753 |
| Package size (LxWxH) | 93x30x18 cm |
| Shipping Weight | 4.7 kg |
Description
When looking at the technical data, 70mm aperture may not look too impressive. During the observation the impact of the 36 % more light gathering power in respect to a 60mm refractor are easily visible: Details are seen more clearly in the Bresser Sirius and from a distance of 600 million km the main cloud bands on the planet Jupiter get visible.
With the included smartphone camera adapter you can take pictures of your best observations right through the telescope.
Features:
- Telescope for night and solar observation
- MgF2-coated optics
- Magnification with supplied accessories: 45x, 135x, 225x, 675x (max. suggested: 140x)
- Focal distance, aperture ratio: 900mm, f/12.9
- Azimuthal mounting
- Eyepiece diameter: 31.7mm (1.25")
The kit includes:
- Sirius refractor
- Altazimuth mount
- Aluminium tripod with accessory tray
- Aperture solar-filter
- Eyepieces: 4mm, 20mm
- 3x Barlow lens
- Diagonal mirror
- Smartphone camera adapter
- Software & moon map via download
Specifications
| Product ID | 74305 |
| Brand | Bresser GmbH, Germany |
| Warranty | 2 years |
| EAN | 4007922001753 |
| Package size (LxWxH) | 93x30x18 cm |
| Shipping Weight | 4.7 kg |
| Optical design | refractor |
| Optical scheme | achromat |
| Optics coating | magnesium fluoride |
| Primary mirror diameter (aperture), mm | 70 |
| Focal length, mm | 900 |
| Magnification, x | 45 — 675 |
| Aperture ratio | f/12.9 |
| Resolution threshold, arcseconds | 1.9 |
| Eyepieces | 4mm, 20mm |
| Eyepiece barrel diameter, in | 1.25 |
| Barlow lens | 3x |
| Solar filter included | ✓ |
| Tripod | aluminum |
| Tripod height (adjustable), mm | adjustable |
| Accessory tray | ✓ |
| Mount | alt-azimuth |
| User level | beginners |
| Observed object | planets of the Solar System, terrestrial objects |
| Extended kit | ✓ |
References
and downloads
and downloads
Reviews
Telescope accessory installation diagrams (.pdf) (13.12.2019)
Convenient diagrams that describe how to install additional accessories on refractors and catadioptric telescopes
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
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
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
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
In this article we have gathered answers to some of the most frequently asked questions about telescopes
Telescope Under a Microscope: How Does It Work? (18.05.2020)
How telescopes work?
How telescopes work?
First Steps in Astronomy Made Easy! (18.05.2020)
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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
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
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
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
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
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
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
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
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
Learn everything you need to know about refractor telescopes to make the right choice
Questions and Answers
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Bresser Sirius 70/900 AZ Telescope with smartphone camera adapter
Telescopes
Bresser GmbH, Germany
4.7 kg
18 cm
30
93
https://eu.levenhuk.com/catalogue/telescopes/bresser-sirius-70-900-az-telescope-with-smartphone-camera-adapter/
74305
Base color