Tube Length:18" inches, Weight;0.600 KG - Magnification # 15 X , Box size # 6 inches - Handmade engraved telescope brass The Nautical Telescope is a fully functioning Nautical master piece, beautifully mounted on a wooden tripod. Focusing is accomplished by adjusting the eyepiece ring on the telescope tube, with up to 15x magnification. protects the objective lens.The wooden tripod stand features wooden round legs, each with solid brass fittings and a screw release to let you adjust the height, and the brass chain holds the three wooden legs together so the telescope can maintain its position. Classical engraved Nautical marine telescopes are good in quality made using brass