This telescope uses push-and-pull mechanism to focus distant objects. You need to Pull it out completely and slowly push the barrel inside, while looking through the telescope, till the desired object becomes clear The spyglass is made of Brass & Leather; Dimension : 4.5 x 4.5 x 45cm (1.77 x 1.77 x 17.71 inches) ; Weight : 0.530 kg (1.17 pounds) This handheld telescope is a unique gifting option for travellers, nautical collector's, and educational present for kids on occasionss like birthday, promotion ceremony, Thanksgiving, Christmas, friendship's day, Easter, engagements, weddings, anniversaries and more. This pirate spyglass can be utilized for years as a decorative item at your home and workspace. It enhances your home décor by giving it an elegant and sophisticated touch. Ideal for using on boats, hiking trips, bird watching, sports events, outdoor travel, sightseeing, concert, ball game, role playing, travelling etc. This Marine Handheld Telescope With box is great for any number of outdoor pursuits such as Hunting, Shooting, Bird Watching or Role Playing. This spyglas has excellent optics for real viewing and would make a wonderful usable nautical decor in any office, boat or home OR gifting to your loved ones.