LUXUN 10-30x40 Single-Cylinder HD High-Power Telescope Mobile Phone Mini Telescope(Telescope & Phone Clip & Tripod)

Features:1. Metal screw interface, more durable; lanyard design, easy to carry2. Anti-skid horizontal bar design focusing hand wheel, not easy to slip3. The objective lens adopts double-sided full-broadband coating, which can be viewed in low light conditions4. The eyepiece adopts multi-layer composite broadband green film and all-optical glass lens for more comfortable viewing5. Small and exquisite, telescopic design, easy to carry6. Reduce the loss of light reflection, the light transmittance is 99%, and the light transmittance is improvedProduct parameters:1. Material: ABS, metal2. Function: zoom, scalable3. Magnification: 10-30x4. Objective lens diameter: 35mm5. Eyepiece diameter: 20mm6. Field of view angle: 2.6-4.6 degrees7. Field of view range: 45.5-80.5M/1000M8. Exit pupil diameter: 1.2-1.7mm9. Exit pupil distance: 17-14mm10. Nearest focal length: 3m11. Lingjing System: BAK412. Dimensions: 4.7 x 4.5 x 16 cm13. Net weight of the telescope: 214 gramsPacking list:Binoculars x1Lanyard x1Carrying bag x1Mobile phone holder x1Tripod x1