User manual BUSHNELL EXPLORING THE UNIVERSE

[. . . ] You should always start viewing with the lowest power eyepiece, which in this case is the 20-mm lens. [. . . ] You will place the Barlow lens between the focusing tube and the eyepiece. Using the example above, your 3X Barlow lens would tube eyepiece give you a total power of 135. Before you focus the telescope be sure to take the dust caps off the front of the main tube. There are two caps: a small cap, which fits inside the large cap that covers the entire front of the main tube. After selecting the desired eyepiece, aim the main telescope tube at a land-based object that is at least 300 to 400 yards away. Fully extend the focusing tube by turning the Rack and Pinion Focusing Mechanism. 4. While looking through the eyepiece (in this case the 20 mm), slowly retract the focusing tube by turning the Rack and Pinion Focusing Mechanism until the object comes into focus. Aligning the Finderscope This process must be done before you start viewing the night sky. [. . . ] If your Finderscope is aligned correctly with the Main Telescope Tube the objects in the night sky located first with the Finderscope will also be centered in the Main Telescope Tube's view. [. . . ]