12 times magnification effect,clear HD vision:12 times magnification is suitable for telescope observation. If the magnification is too large, it will make the vision unclear and easily lead to dizziness. However, if the magnification is too low, you cant see the details clearly. 12 x lens is the right choice for you.Fully Mulit-Coating 18mm Large Eyepiece provides a clearer and brighter view:FMC can increase the light transmittance, so the color reproduction of the image is higher. It is easier for you to find the prey and enjoy your beautiful scenery everywhere.18 mm Large eyepiece binoculars make full use of 12x magnification, maybe the ideal choice for Watching Concert, Sports, Bird,Prey and Stargazing etc.Binoculars with Smartphone Adapter,More ways to use:The phone adapter is compatible with many types of mobile phones as iPhone 1211 11Pro XRX, 8P, 8, 7P, 7, 6, 6s, 6P, 5, 5s, Samsung GALAXY S8, S7, S6, S6 Edge, S5, Note, Huawei, LG, HTC, Sony, Etc.Easy to carry,portable and stable, so you can use your mobile phone to record beautiful moments anytime, anywhere.BAK4 Roof Prism Binoculars,Clear View:BAK4 Roof Prism get 32% more light than 12.5mm prism lens,13.7% of 14.5mm prism lens,so 16.5mm Prism lens take 100% advantage of 42mm objective lens, can deliver clear vision.Good Guality You Can Trust:Our birding binoculars would be a great gift.You can give it to your friends, family and lover.If you have any problems, please feel free to contact us anytime, we will be very happy to help you