The ZEISS MiniQuick Monocular weighs less than 1 oz. and measures 4" to make it the perfect carrying companion as a telescope and a magnifier. The 5x power and 10mm objective lens deliver all the precision magnification and sharp vision you would expect from ZEISS. An incredible gift idea for those who appreciate clever engineering, it's no bigger or heavier than a fountain pen and clips to shirt pockets. Rewards the viewer with an impressive field of view, with or without eyeglasses. Ideal for anyone who needs discreet optics at their fingertips. 14mm eye relief.