MagiDeal Portable Mini 10-30x25 Zoom Adjustable Monocular HD Night Vision Telescope for Outdoor Hunting Camping Travel Climbing Wildlife Sport Events Description:127（Maximum stretch length 200mm/ 7.9"）x 33 x 33mm/ 5 x 1.3 x 1.3 inchesPower: 10-30x25Lens Material: bak9Eye lens diameter: 12mmObjective lens diameter: 25mmMagnification: 10x to 30x, free adjustable.Vision angle: 10x: 3.5 degree, 30x: 2 degreeExit Pupil Distance : 12.4 - 8.4mmMultiple FMC-Green CoatedFocus system: twist and pullPackage Includes:1 Piece Monocular1 Piece Carry Bag1 Piece Instructions