Night Vision Bird Watching Low night vision performance bird watching scopes make adult monoculars perform well in night vision situations such as night concerts or football games. This portable monocular is lighter and more compact than most telescopes at only 143mm, making it easy to fit in your bag or pocket. 12x zoom monocular 120x100 high definition monocular, suitable for adult bird watching. The high-magnification zoom capability of this telescope helps you see farther, even at home, you can see the text of objects 2000 meters away. You also get the best views on your outdoor adventures. BAK4 PRISM FMC green lens monocular telescope is equipped with BAK-4 prism and fully multi-coated lens to ensure excellent light transmittance and brightness. The light transmittance reaches 99.5% visibility. Cell Phone Monoculars Our cell phone monoculars come with a quick-align smartphone mount and tripod. Perfect for most smartphones on the market. Easy to install and provides HD images or videos. 22mm Extra Large Eyepiece This adult monocular telescope adopts a real large eyepiece design, 22mm ultra-wide-angle eyepiece, matching the diameter of the human eyeball, protecting your eyes and improving eye comfort, no dizziness, no swelling, 50mm objective lens diameter ensures The image is clearer and brighter. "