Monoculars Telescope astronal binoculars adults high power for indoor and outdoorbr/ "feature:br/ -Fully multilayer coated optical lensbr/ -High power field-Focus on your goal to get excellent detail from 1000 yards away.br/ -Clear and bright sight-All lenses are made of BAK-4 prism and multilayer coating, the light transmittance can be as high as 99.5%. Unlike other lenses, single-tube coating, the imaging effect is not very clear, and even chromatic aberration.br/ -Low light-can be used in some light, but can not be used in a completely dark night.br/ -Dustproof binoculars waterproofbr/ -Compact and lightweightbr/ -Easy to concentratebr/ specification:br/ Colour: Blackbr/ Eyepiece: 20 mmbr/ Objective lens: 60 mmbr/ Field of view 7.3°br/ Prism material: BAK-4br/ Objective lens coating: green filmbr/ Prism system: Paul systembr/ Waterproof grade: waterproofbr/ Coating : broadband coatingbr/ Glass material: all optical glassbr/ The package includes:br/ 1 × ng telescopebr/ 1×carrying bagbr/ 1×lanyardbr/ 1×Cleaning clothbr/ note:br/ 1. Due to manual measurement, please allow a difference of 0.5-1cm.br/ 2. Due to the difference of light and screen, the color of the item may be slightly different from the picture.br/ "