The Bushnell Voyager Series of astronomical telescopes is engineered and assembled to exacting standards, concentrating on quality, innovation and leadership. .The Voyager provides exclusive features such as:.The first astronomical zoom telescope. \\nA pioneering rotary power turret eyepiece. The eye pieces are already fixed into position and you rotate the turret to select the required eyepiece which then allows you to see different distances. This is much easier than having to change the relevant eye pieces. \\nEasy-track mount. You can elevate the angle of the telescope relatively easily and without taking it apart. \\nMoon Filter. Sometimes the moon is too bright to view the moon on a clear night. However with moon filter, you can view the moon on the brightest of nights. \\nIt is also convenient to use and transport and comes with a carry case and aluminium tripod.\\nIn short, the Voyager will satisfy anybody just getting started on it's journey through the heavens or the advanced amateur who has already travelled light years. Immerse yourself in it's rich field of view, by diving into the heart of the Milky Way or by experiencing your own lunar landing by skimming the Mountain Ranges and crater basins on the moon..Technical Specification:.Specifications: 570x60mm. \\nFocal Length: 910mm. \\nEyepieces: 4mm, 10mm, 20mm. \\nMagnification: 45.5, 91, 114, 227.5, 570.