Easy installation, requiring no tools,- Slow motion control for smooth handling,- Vertically mounted lenses are ideal for both earth observation and astronomical observation,- High transmission multilayer glass lenses for high clarity and image purity,- A Barlow 3x lens triples the magnification power of each eyepiece,- Small storage case easily accommodating accessories,- Astronomy software "The SkyX - First Light Edition" with 10 database.000 objects and printable sky charts.