Périscope télescopique 5x20 entièrement métallique HD pour l'observation des oiseaux et la plongée, monoculaire d'observation dissimulé

Miniature Folding Periscope: Approximately 43cm in length and 3.5cm in diameter, it can be directly inserted into the gap under a 6cm wide door for observation. The angle is adjustable, with no blind spots; suitable for discreet observation All-metal alloy casing, professional-grade product! The handheld device is portable and can be extended from 43CM to 70CMThe objective lens is 2X2CM in sizeThe height of the objective lens can be adjusted up and down, and it has a telescope function, allowing for close-range observation as well as observation of distant targets without being detected by the targetIt is suitable for discreet observation! Magnification: 5x Field of view: 8.5 degrees Diopter: +/- 5 diopters Diameter: 3.5 mm Distance: 20 mm Extended length: approximately 70CM, retracted length: approximately 43CM Weight: Approximately 390 grams net weight, 580 grams gross weight Color box: Length 47.5cm, Height 12cm, Width 7cm Includes: periscope, detachable handle, etc Exquisite packaging One box contains 20 piecesDimensions: 61X47.5X27CM WEIGHT 13kg