10X25 Compact Prism Binocular Waterproof Bird Watching Telescope Camping Night Vision Telescope

Specification MaterialRubbervMagnification10XObjective lens diameter25mmEye cups typeTwist upFocus SystemCenterField of view114m 1000Field angle7 5 degreesClose focus3mEye relief20mmLens coatingFully multi coatedDimension11 x 11 x 5cm 4 33 x 4 33 x 1 97inchFeatures ALL optical green lens has high light transmittance and the 99 total internal reflection to keep a good image and you can see the stuffs clearly in weak light condition NOT DARK Multi coated optics for excellent light transmission 10 x magnification with 25 mm objective len provides a wide field of view that measures 114 feet at 1000 yards Adjustable eye widths make it can fit different view distance Large center focus knob for easy adjustments makes it easy to pull focus as you view the field Package Includes 1 x Binoculars1 x Portable bag1 x Cleaning cloth