SKY WATCHER BK 909 AZ3 (20160)




A very nice achromatic 90mm refractor. Perfect for observing the Moon, planets, star clusters, galaxies, nebulae. Can also be practical for terrestrial viewings. The very stable AZ3 mount includes two slow motion cables for fine movements. Easy to use, this superb instrument made for the serious begginer. Diameter/Aperture: 90mm – Focal Length: 900mm F/10 – Multi-coated achromatic objective lens – Aluminum tube – Dew cap/Sunshade – 6×30 finderscope for easy location of objects – Pre-assembled tripod for convenient and quick assembly – Smooth rack-and-pinion 1.25″ focuser – 65% more light gathering power than 70mm – Perfect for serious beginners [AZ3]

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