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Телескопи > MEADE > ETX > ETX-90 Maksutov Telescope with LED viewfinder

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Цена
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ETX-90 Maksutov Telescope with LED viewfinder

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Базова цена с ДДС: 1039,00 лв
Цена: 1039,00 лв
ДДС: 173,17 лв
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Описание

Meade ETX


The first portable, fully-computerized telescope.

The original ETX telescope with AutoStar was released in 1999 as the first portable, fully-computerized telescope. Combining lightweight portability and the convenience of GoTo electronics, the ETX became an instant favourite with the astronomical community — a position it still holds today.

Meade ETX-90 Maksutov-Cassegrain

Meade's world famous ETX-90, with case and accessories #3514-04-20. The ETX-90 Maksutov-Cassegrain offers terrific optical quality that is the envy of the telescope industry, the easy to use Meade AutoStar computer handbox with over 30,000 object library, and a solid mount and tripod. Special package includes bonus accessories and case. If you are in looking for a high quality portable scope absolutely loaded with features and performance you need look no further.

The Meade ETX-90 telescope features an advanced Maksutov-Cassegrain design for pinpoint star images and extraordinary contrast, making it a great deep sky performer and ideal for detailed lunar and planetary observation as it easily soars to high magnifications. This 90mm (3.5") model has a focal length of 1250mm (f/13.8) with Meade's best Ultra-High Transmission Coatings (UHTC).

Electronics include the Meade AutoStar keypad with over 30,000 object library and which can be linked to a PC using an optionally available software and cable connector set, allowing the telescope to be controlled via a laptop or other PC. The telescope is conveniently powered by 6 (user-supplied) AA batteries, and an AC adapter is also available for separate purchase.

Standard equipment includes two high performance Meade Series 4000 1.25" diameter eyepieces in focal lengths of 26mm and 9mm (magnifications of 48X and 128X), carry case, easy to use red dot viewfinder, and portable but extremely stable Meade Model 884 field tripod with chrome plated tubular steel legs and built-in wedge. Also includes Meade AutoStar Suite Astronomer Edition Software and Instructional DVD to locate objects in the night sky, print star maps, and learn more about the use of your new telescope.

A telescope is only as good as its mount and this mechanically sophisticated model includes an extremely rigid dual fork design. The similarly advanced optical tube design incorporates a unique flip mirror mechanism, allowing light to either go to the comfortable 90 degree observing position of the eyepiece or the built in camera attachment port at the rear of the tube. Camera adapters sold separately. Carries full one year Meade limited factory warranty.


ETX-90 flyer

 

 

Technical Specifications and Features
Optical Design Maksutov-Cassegrain
Diameter Primary Mirror 96mm
Front Lens Ø (Clear Aperture) 90mm
Secondary Mirror Ø / Obstruction % 27.9mm / 31 %
Focal Length, Focal Ratio 1250mm, f/13.8
Resolving Power in arc seconds 1.3",1
Limiting Visual Stellar Magnitude (approx.) 11.7mag
Image Scale (degrees/cm) 0.46°/cm
Recommended Maximum Visual Power 180x
Near Focus (approx.) 3.5m
Optical Tube Dimensions (Ø x length) 10.4cm x 27.9cm
Standard Eyepiece(s) eyepiece super Plössl 26mm 4000
Accepts Eyepiece Barrel Ø 31.7mm(1.25")
View Finder Scope LED Red Dot
Telescope Mounting steel-reinforced high-impact ABS
Setting Circles Ø AZ 17,8cm, EL 8.9cm
Power Supply 12V battery or power supply unit
Batteries (user-supplied) 8x Mignon
Battery Life (approx.) 20 hrs
Motor Drive System in RA/AZ DC servo motors with encoders, both axes
Motor Drive System in DEC/EL DC servo motors with encoders, both axes
Slow-Motion Controls electric, 9-speed, both axes
Autostar Controller Typ #497
Autostar Object Database 30.326 objects
Hemispheres of Operation North ans South
Bearings in Azimuth / RA Nylon
Bearings in Elevation / DEC Nylon
Tube Body aluminum
Primary Mirror Pyrex glass
Front Lens / Correcting Plate BK-7 optical glass, Grade-A
Telescope Dimensions 38cm x 18cm x 22cm
Telescope Net Weight (w/o tripod) 3.5 kg
Telescope Net Weight (w/tripod) 8.5 kg
Tripod Net Weight 5.0 kg (#884)
Telescope Shipping Weight (w/tripod) 14.5 kg
Field Tripod Height 64cm - 109 cm
  *May alternatively be powered from 230V home outlet by using the optional 230V AC adapter #541F (0455120) or from automobile cigarette lighter plug by using the optional power cord #607 (0455100). Cable length ca. 7,5m each.
focal length 1250mm
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