esslnb 7x50 marine binoculars ipx7 waterproof binoculars for boating with illuminated rangefinder and compass bak4 prism fmc military floating binoculars for navigation hunting w/bag and strap esslnb <br><b>product feature<br><b> magnification:7x<br> field of view at 7x:396ft/1000yd(132m/1000m)<br> angle of vision:7.5 degree<br> exit pupil diameter:6.8mm<br> exit pupil distance:23mm(long eye relief for eyeglass wearers)<br> focus:individual eye focus(diopter control)<br> diopter adjusting range:-5~+5 diopter<br> interpupilary distance:56-72mm<br> prism type:porro bak-4<br> lens coating:multi-coated<br> housing:rubber<br> eyecups: fold up and down<br> waterproof/fog proof/floating: yes<br> tripod adaptable: yes<br> <br><b>package includes: <br><b> 1 x military binoculars <br> 1 x military carrying bag <br> 1 x cleaning lens cloth <br> 1 x carrying strap<br> 1 x eyepiece cap<br> 2 x objective lens cap<br> 2 x lr936/ag,cell batteries<br> 1 x instruction<br> <br><b>notes: 2pcs button batteries are required, included in the package (the battery model is lr936/ag9,cell battery)<br><b>