A fine silver monocular telescope measuring 6 cms long when closed and pulls out to around 9.5 cms (it has a fully retractable draw tube) with a doublet flint and crown glass assembly to the main lens (diameter 23 mm). It has a variable power eye-piece allowing the user to switch between high and low magnification, numbered 1 & 2. This small telescope is damage free and in fine condition both cosmetically and optically, damage free throughout. It has not been used very much. Contained in original felt lined bamboo case.