【18mm Large Eyepiece Binoculars, Larger Image, Clearer Details】2.25 times the image size of 12mm eyepiece (e.g. 10x25, 12x25, 10x21 binoculars), 1.28 times of 16mm eyepiece (e.g. Ordinary 10x42, 12x42 binoculars). Large eyepiece binoculars make full use of 12x magnification, deliver larger image, ensure clearer details | 【16.5mm Big BAK4 Prism Lens Binoculars, Super Bright, Crisp View】Collect 32% more light than 12.5mm prism lens (e.g. 10x25, 12x25, 10x21 binoculars), 13.7% of 14.5mm prism lens (e.g. Ordinary 10x42, 12x42 binoculars). 16.5mm Prism lens take 100% advantage of 42mm objective lens, collect more lights, deliver brighter view | 【Powerful 12x42 Binoculars for Adults with only 1.25lbs.】With only 560g weight, Adasion 12x42mm binoculars deliver 367ft/1000yds large field of view. Perfect binoculars for bird watching, hunting, sports events. Binoculars with adjustable eye cups, suitable for glasses wearers. | 【Binoculars with New Phone Adapter, Enjoy Photographing】Quick alignment, compatible with phone case, portable and stable. Suitable for iPhone X, 8P, 8, 7P, 7, 6, 6s, 6P, 5, 5s, Samsung GALAXY S8, S7, S6, S6 Edge, S5, Note, Huawei, LG, HTC, Sony, Etc. | 【Quality Binoculars, Order without Risk】With 100% thorough Quality Control, Adasion provides High Quality Binoculars. Contact us if you encounter any issues, we will solve it in 24 hours.