
Review Summary
The Orion Observer 70mm Altazimuth Refractor Telescope features altazimuth mount, so it works well for both daytime terrestrial viewing and nighttime astronomical use. The altazimuth mount offers intuitive up-down, left-right motion to make maneuvering the telescope easy. Whether for panning a scenic landscape or surveying the Milky Way for star clusters, this scope provides a pleasant experience.
This telescope is well suited to beginners of any age-adolescent to adult. It is lightweight and compact so it's easy to carry to your observing location, be it out on the lawn or an hour's drive into the hills. Its glossy black optical tube is made of seamless aluminum and outfitted with a smooth-action rack-and-pinion focuser on one end and a dew cap/glare shield on the other. Housed inside is a multi-coated, achromatic glass objective lens that's 70mm in diameter, with a focal length of 700mm (f/10). This lens takes in 36% more light than a 60mm lens.
It has an altitude micro-motion control to allow very fine aiming adjustments. The tube and mount are supported on a sturdy aluminum tripod that adjusts to a comfortable height. The Observer 70 Altaz comes with everything you need to start observing right away. Standard accessories include a 5x crosshair finder scope, mirror star diagonal, 10mm (70x) and 25mm (28x) Explorer II eyepieces and a tripod accessory tray.