High Power 12x40 HD Monocular Telescope - A monocular with 12x magnification and a 40mm diameter objective lens provides a bright, clear image. The simple monoscope is an ideal birthday or Christmas gift for adults and children and outdoor enthusiasts. Two ways to use: 1. You can use it independently as a monoscope. 2. Connect with smartphone holder and tripod, only if you want to record what you see via photos or videos. Compatible with all smartphones on the market. Easy to use. One-handed focus, the focus knob is easy to operate with one hand. The ergonomic design allows you to focus quickly and precisely on your target with just one hand. Durable rubber body makes it comfortable to hold and non-slip.This HD monocular telescope with BAK-4 prism and fully multi-coated objective lens, superior light transmittance and brightness, gives you a clearer, brighter and more more colorful.Small, lightweight, telescopic, easy to put in your pocket and take it anywhere. Perfect for hiking, climbing, hunting, bird watching, ball games, concerts, wildlife and landscape observation. Note: The data are all manual measurements, please allow 1-3cm error, due to the light and display difference, there will be some color difference depending on the physical object received.