Meade ETX90 Observer Mak 90/1250 with Audiostar Maksutovs opinie

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Meade ETX90 Observer Mak 90/1250 with Audiostar
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735 EUR
price w/o VAT: 598 EUR

Meade ETX90 Observer Mak 90/1250 with Audiostar
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The ETX 90 from Meade are high-end amateur telescopes. The optics of the Maksutov system (with a correction plate) guarantee a very good quality of the obtained images with the compact dimensions of the optical tube. The hit of recent years is the coating of optics with UHTC (Ultra High Transmission Coatings) layers to ensure 20% higher optical efficiency compared to standard layers. The assembly of the fork structure with the GO-TO telescope control system, positioning and following the rotation of the blue sphere allows for very simple operation and searching for objects from a database of several dozen celestial objects.

An additional unique feature is the possibility of disassembling the optical tube and installing it on a different assembly through the integrated dovetail rail (with a groove).

The set includes everything you need for a start: optical tube, glasses, assembly, steel field tripod.

Technical parameters
• Optical system: Maksutov-Cassegrain
• Aperture: 90 mm
• Focal length of the mirror: F = 1250 mm
• Lighted up: 1: 13.8
• Useful magnifications: 30 - 200x
• Resolving power: 1.3 "
• Assembly: GOTO, azimuth with an equatorial wedge
• Star range: 11.7 mag
• Total weight: 8.5 kg


star clusters
PC control


• Super Ploessl glasses 26 mm (48x) and 9.7 mm (129x), 1.25 "
• UHTC coatings
• drive in two axes controlled by a remote control
• GO-TO Audiostar system with a database of ± 30,000 objects
• steel tripod with an equatorial wedge for long exposures
• SmartFinder / Red Dot finder
• statement 1.25 "
• a "flip mirror"


2 years


This device focuses a large amount of light. Looking directly at the sun through this device may result in partial or complete loss of vision. For observing the Sun, we recommend the safest method of spectacle projection, i.e. projecting the image of our day star's target onto a piece of paper.





Question : Will a beginner be able to assemble and operate this telescope?

Answer: We provide each telescope with a comprehensive instruction in Polish, from which the user will learn how to assemble the telescope and how to use it during observation. Clients usually do not have any difficulties with assembling the telescope as long as they read the instructions carefully.
A separate issue is the search for objects in the sky during the first observations. That is why we recommend educational items in the Publications section (especially maps and astronomical guides) and Stellarium: an excellent, free "planetarium" program in Polish, ideal for studying the sky and planning observations.


Question : Can a DSLR be attached to this telescope? What accessories do I need for this?

Answer: Of course YES, you can connect a DSLR to this, as well as to any other telescope. For this you need: a projection adapter i and a T2 ring appropriate to your SLR camera (there are 5 standards of SLR bayonets: Canon EOS, Nikon, Olympus E, Petax K and Sony Alfa / Minolta AF). These connectors are available in our online store in the section of astronomy accessories.

Question : Can a compact camera be attached to this telescope? What accessories do I need for this?

Answer: Of course you can. A suitable shelf for compact cameras can be found in the astronomy accessories section of our online store ( universal adapter for compact digital cameras ).

Question : Can a HYBRID type camera (a large compact camera with SLR dimensions) be attached to this telescope? What accessories do I need for this?

Answer: You may try to do this, but it is not recommended. The so-called hybrids do not work well in astrophotography, because they do not have the ability to take the lens off like an SLR, they have large dimensions and large lenses, which makes the rack systems impossible to use , while the vignetting is high, as you cannot bring the lens very close to the last optical surface of the telescope's eyepiece. We recommend buying a SLR or a cheap compact.

Question : What else is worth buying for this telescope?

Answer: The presented telescope is a complete set ready to conduct astronomical observations on the first clear night. As an addition, we recommend educational publications in the first place, which will make both the use of the telescope and the observations themselves more conscious and easier. In addition, you should consider purchasing contrast planetary filters and sunscreen foil (available from the Astronomical Accessories section).

Question : Can this telescope be used as a viewing telescope / nature spotting scope?

Answer: Yes, the offered Maksutov (MAK) telescope, after using the angular connector (included in the set ), gives an inverted, terrestrial image. Thanks to this, this telescope can be used as a good quality observation telescope. The construction of Maksutov is practically devoid of chromatic aberration, and at the same time closed, very compact and compact (so easy to transport), known for many years from the valued mirror telephoto lenses of various brands.

Question : Can I observe both planets and nebulae with this telescope? Is it a telescope only for the city or just for the countryside?

Answer: All offered telescopes allow observation of the planets of the Solar System (all) and nebulae, ie more precisely galaxies, star clusters, emission nebulae, etc. A separate issue is the clarity of the details of the planets' surfaces and the number and brightness of nebulae objects. The smaller telescope has its sky, the big one - its own, but we can always count on wonderful observations of the surface structures of the Moon, the phases of Mercury and Venus, the Martian disc, Jupiter belts and the Galilean four moons of Jupiter, the ring of Saturn and the shields of Uranus and Neptune. The brightest nebulae, such as the Great Andromeda Nebula M31, the Great Orion Nebula M42 or the globular cluster in Hercules M13 always delight, even a small telescope will show several dozen of the most beautiful nebulae. Finally, the telescope, after equipping it with a sun filter, can be used to observe spots on the Sun's disc.
There is no division between city and country telescopes , but rather recommendations: if the telescope is to be used mainly in the city, in conditions of urban light pollution and high atmospheric instability (buildings give warmth at night, warming the air and the image begins to "float" over a hot road on hot days!), then an achromatic refractor (lens telescope) or Maksutov (meniscus mirror) is recommended. Our target will be mainly planets and compact objects. On the other hand, under the tarry black, rural sky, it is worth using a Newton system telescope (mirror) with the largest possible mirror that we can afford, because we can count on a more stable and more transparent atmosphere and a large The possibility of observing nebulae.

Question : Does this telescope come with a tripod / mount?

Answer: Of course YES, every telescope has a mount, unless it is described as an OTA ( Optical Tube Assembly ).

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