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Catadioptric Telescope. Objective lens diameter: 254mm. Focal length: 2500mm

Catadioptric
Optical design
254
Aperture – the diameter of the light-collecting lens or mirror that the telescope uses to collect light
2500
Focal length – the distance from the primary lens or mirror to the point at which the light is focused
Availability

Product ID 72522
Brand Meade Instruments Corp.
Warranty 2 years
EAN 0643824213876
Package size (LxWxH) 99x68x55 cm
Shipping Weight 34.5 kg
Description

The patented Meade Advanced Coma-Free (ACF) optical design offers the coma-free pinpoint star images and flatter image fields greatly desired by discerning amateur astronomers, astrophotographers and professional observatories alike. This system also reduces the astigmatism and eliminates the diffraction spikes found in classical Ritchey-Chretien designs. No competing Schmidt-Cassegrain Telescope can make those claims.

The 10" LX90-ACF has a 10" diameter f/10 ACF optical system (focal length 2500mm) and Ultra-High Transmission Coatings (UHTC) for maximum image brightness and contrast. Electronics include the advanced Meade AudioStar computer system with over 30,000 object library, multiple guided tours, High Precision Pointing capability, and Meade SmartDrive with Permanent Periodic Error Correction. Precise and quick star alignment is done near effortlessly with an incorporated 16 channel genuine Sony GPS receiver. The AudioStar is flash-updatable via free downloads at Meade.com (optional cable required).

All LX90 models feature the solid and stable LX90 aluminum double fork mount, with fast slew speed adjustable from 1 to 7 degrees per second. Fine slewing and photographic guiding speeds can be adjusted from .01x to 1x sidereal in one one-hundredth increments. The mount and all electronics are internally powered by 8 (user supplied) C-cell batteries which will typically operate the telescope for a generous 60 hours (optional Meade Universal AC adapter also available). The mount also has mechanical locks in both axis allowing adjustment even without power.

The LX90 comes fully equipped with a 1.25" diagonal mirror, Series 4000 26mm 5-Element Plössl eyepiece, and Meade AutoStar Suite Astronomer Edition Software for PC and an 8x50 viewfinder with quick release bracket.

Features:

  • 10" f/10 Advanced Coma-Free Optics – 2500mm focal length
  • Ultra-High Transmission Coatings (UHTC)
  • AudioStar handbox with speaker and Astronomer Inside
Specifications
Product ID 72522
Brand Meade Instruments Corp.
Warranty 2 years
EAN 0643824213876
Package size (LxWxH) 99x68x55 cm
Shipping Weight 34.5 kg
Optical design catadioptric
Optical scheme coma-free Schmidt–Cassegrain
Optics coating UHTC
Objective lens diameter (aperture), mm 254
Focal length, mm 2500
Highest practical power, x 508
Aperture ratio f/10
Resolution: Rayleigh criterion 0.551
Resolution: Dawes' limit 0.456
Eyepieces SUPER Plössl 26mm Series 4000
Eyepiece barrel diameter, in 1.25
Finderscope optical, 8x50
Focuser single speed
Telescope control autoguide
Mount alt-azimuth
GPS receiver integrated
Autoguider
Hand controller AutoStar (not included)
Objects database 30,000
Power supply 8 R14 batteries (not included)
User level beginners, experienced users, professionals
Observed object planets of the Solar System and deep-sky objects
Video