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BRESSER Messier AR-90s/500 optical tube
BRE4890500
Out-of-Stock
139.63
156.16
-16.53
VAT excluded
High quality refractor telescope for beginners with 90mm objective diameter and a focal length of 500mm at f/5.5 with a large field of view and a recommended maximum magnification of 180x
BRESSER Messier AR-90s/500s optical tube
An excellent product to get started in astronomy: its 90mm aperture gives you 200 times more light than with the naked eye!
See craters, valleys and grooves of the Moon from 400,000km away as if you were very close! The BRESSER AR-90s gives you detailed images not only of the Moon: you can also observe in great detail Saturn's rings located millions of kilometers away or discover Jupiter's great red spot, an incredible storm in its atmosphere. Follow the seasons on Mars or observe the phases of Venus.
As a compact travel device, the AR-90s will also give you a good result. Its short focal length of only 500mm will enable you to observe wide-field objects of open star clusters and the Milky Way.
Compared to the device Galileo Galilei used for his famous discoveries, the MESSIER AR-90s collects more light.
The installed dew shield prevents possible dew formation and avoids stray light penetration from the sides, increasing the contrast of the images significantly.
On the AR-90s/500 tube clamps there is a dovetail to fit the mount.
DELIVERY CONTENTS
- AR-90s refractor optical tube
- 26mm Super Plössl eyepiece (31,7mm / 1,25")
- Zenith prism (31.7mm / 1.25")
- Universal dovetail tube clamps for EXOS/GP/EQ5/LXD75
- 6x30 finder
- PC astronomy software Stellarium
FIELD OF APPLICATION
- Deep Sky Observation
- Earth observation
- Moon Observation
- Lunar photography
- Planetary photography
- Deep Sky Photography
- Earth photography
- Planetary observation
TARGET AUDIENCE
- Beginners
- Advanced
- Visual observers
TECHNICAL SPECIFICATIONS
- Optical design Achromatic refractor
- Maximum recommended magnification: 180x
- Objective lens diameter 90 mm
- Focal length 500 mm
- Focal ratio 5.5
- Resolution 1.53 arcseconds
- Finder 6 x 30 mm
- Material Optical tube Aluminum
- Focusing system 1.25" rack and pinion focuser
- Color White
- Net weight Optical tube (including accessories) 1.9 kg
- Total length 52 cm
- Total width 15 cm
- Total height 15 cm
- Tube diameter 105 mm
- Tube length 480 mm
- Outer diameter 31.8 mm
BRESSER Messier AR-90s/500s optical tube
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