Ricoh VM 6×21 WP Monocular Easy to use with just one hand

PENTAX Monocular VM 6×21 WP,  Easy to use with just one hand.  Universal design that is ergonomically easy to operate. Bright and clear view with high contrast and excellent optical performance.  Waterproof to 1m.  Minimum focus distance of 70cm. (27.55 inches)