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DAVID HINDS LTD
EX-DEMONSTRATION CELESTRON ASTRMASTER 90 AZ (18G)
Ex-DemonstrationIn good conditionSome light signs of useSome original packaging has been replacedOne year warrantyIf you’re looking for a dual-purpose telescope appropriate for both terrestrial and celestial viewing, then the AstroMaster Series is for you. Each AstroMaster model is capable of giving correct views of land and sky.
The AstroMaster Series produce bright, clear images of the Moon and planets. It is easy to see the moons of Jupiter and the rings of Saturn with every one of these fine instruments. For views of the brighter deep space objects like galaxies and nebulae, we recommend the larger aperture and light gathering ability of the Newtonian reflectors.General Details:Quick and easy no-tool setup Permanently mounted StarPointer Erect image optics – Ideal for terrestrial and astronomical use Quick release dovetail attachment – no tool setup Pan handle Alt-Az control with clutch – for smooth and accurate pointing Rugged pre-assembled tripod with 1.25″ steel tube legs – Provides a rigid and stable platform All coated glass optics for clear, crisp images Deluxe accessory tray for convenient storage of accessories
TECHNICAL SPECIFICATIONS:Optical Design: Refractor
Aperture (mm): 90 mm (3.54 in)
Focal Length: 1000 mm (39 in)
Focal Ratio: 11
Focal Length of Eyepiece 1 (mm): 20 mm (0.79 in)
Magnification of Eyepiece 1: 50 x
Focal Length of Eyepiece 2 (mm): 10 mm (0.39 in)
Magnification of Eyepiece 2: 100 x
Finderscope: Built-on StarPointer
Star Diagonal: Erect Image Diagonal – 1.25″
Mount Type: Altazimuth
Tripod: 1.25″ steel tube legs
Highest Useful Magnification: 213 x
Lowest Useful Magnification: 13 x
Limiting Stellar Magnitude: 12.3
Resolution (Rayleigh): 1.55 arc seconds
Resolution (Dawes): 1.29 arc seconds
Light Gathering Power (Compared to human eye): 165 x
Apparent Field of View: 1
Linear Field of View (@1000 yds): 53 ft (16 m)
Optical Coatings: Multi Coated
Optical Tube Length: 36 in (914 mm)
Important Information:Payment by PayPalDelivery to UK addressNo collection – delivery by courierOne year warranty
Category: Cameras and Photography:Telescopes and Binoculars:Telescopes
Location: Leighton Buzzard
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