CVLIFE 16x40 Black Compact Sports Monocular Pocket Mono Spotting Scope with Pouch Magnification: 16x Objective lens diameter: 40 mm Net weight: 6.49oz(184g), Length: 5.7"(14.5cm) Field of view: 66m/1000m Cvlife (TM) is a registered trademark protected by the US Trademark Law. Cvlife (TM) products are sold by authorized seller only. Each Cvlife (TM) product has its own package with Cvlife logo.