Dimension : 8 x 15cm Folded Line : Double side Printed 8cm © STAR SCOPE FRR Thank you for purchasing your new monocular telescope! The generation 2 Star Scope is a single-handed use monocular telescope which is lighter and smaller than its predecessor It has 10x zoom, 305ft / 1000 yds field of view The lens is multi-coated with a center focus. The manual adjustable focus dial is easy to use with your index finger while holding the telescope, there is also an adjustable eye eup for your preference.