12X Magnification Glass optics for a clear view (not plastic lenses) Dimensions: 25" L x 2" W x 2" H Polished brass spy glass with wood-cased body Fully functional spy glass focuses and magnifies Nauticalmart Deluxe Class Solid Brass - Wood Admiral's Spyglass Telescope 25" w/ Rosewood Box Dimensions: 25" L x 2" W x 2" H The Nauticalmart Premium Quality 25" Brass Spy Glass Telescope is a great gift for a nautical navigator in your family. The spy glass measures 25" when its four brass tubes, which are clear coated to protect the brass from tarnishing, are fully extended. The spy glass is 9" when collapsed and features a smooth, solid wooden handle and a solid brass cap to protect the lens. Simply push in or pull out the eyepiece to bring the image into clear focus.