monocular telescope 25x30 telescopio optics nautical brass spyglass maritime brass scalable to stretch zoom outdoor camping genuine

item description: item specificis: product condition: 100% brand new power:25x objective lens aperture (mm): 30mm/1.20in. lens material: bk7 & blue lens size: coalition:140mmx 35mm outspread:340mmx35mm(1.4*5.3in) exit pupil diameter (mm): 2.5 field of view (m):270 ft. at 1000yds. focus adjustable (y/n): y /6 inches to 13 inches weight:250g how to use your telescope: 1the scope is folded and stored as in figure package included: 1 x telescope 1 x bag 1 x cleaning cloth