Esslnb 15 30X80 Zoom Astronomy Binoculars With Built In Tripod Mount Giant Binoculars With Phone Adapter And Case For Bird Watch

Descriptionthe Large Binoculars Deliver 15X-30X Magnification, Adjustable By An Easy-To-Reach Fingertip Zoom Control Knob.Central Focus Ring Is Used For Easy And Smooth Adjustment Of Focus. And Right Eye Diopter Ring Allows You To Adjust For Differences Between The Two Eyes In Order To Give You Clearer And More Real Images.You Also Can Put Our Binoculars In A Tripod For A Comfortable Viewing And We Also Offer You A Tripod Adapter In The Package. By It, You Can Install The Binoculars Conveniently On Your Own Tripod. This Sport Optics Equipped With Carrying Bag And Neck Strap For You To Release Your Hands, Suitable For Hunting, Bird-Watching,Sport Events , Sightseeing And So On.Easy Operation Syetem For Focusing 1. Adjust The Center-Focus Wheel Until The Left Sight Clearly. 2. Adjust The Right Eye Lens Until Getting A Clear Image. 3. Adjust The Barrels Until Getting A Single Circular Field. Specifications: Color:Blackmagnification:13X -39X Objective Lens Diameter: 80Mm Eyepiece Diameter:21Mm Prism Glass: High-Grade Bak4Prism System:Porro Prismexit Pupil Diameter:2.35@15X, 2.0@30X Exit Pupil::13Mm@15X, 15Mm@30Xinterpupillary Distance:56-74Mmfield Of View At 15X:(210Ft/1000Yds)Diopter Adjusting Range:-5~+5 Dioptersize: 300 X 210 X 90Mmnet Weight: 1230G Package Includes:1 X Binocular1 X Tripod Mounting Adaptor1 X Carring Bag 1 X Instruction Manual1 X Lens Cloth1 X Neck Strap4X Lens Covernotice: Please Don'T Use It To See The Sun Directly.