2.5x17.5mm Mini Pocket Miniature Telescope with Finger Buckle (Gold)

• Product type: Monocular Binoculars
• Compatibility: 2.5x17.5mm telescope
• Material: all metal
• Key feature: compact design
• Color/Variant: Gold
• Intended use: outdoor activities
• Category: Telescopes

1. Model: 2.5x17.5mm. 2. Material: all metal frame, strong and durable, good hand feel. 3. Focusing method: rotate focusing. 4. Mirror information: high quality composite all-achromatic optical lenses. 5. Eyepiece diameter: about 8mm. 6. Objective lens diameter: about 17.5mm. 7. Magnification factor: 2.5x. 8. Field of view distance: 8m/600m. 9. Field of view Angle: 6.5 degrees. 10. Pupil diameter: 16mm. 11. Pupil distance: 13.5mm. 12. Coating: blue film. 13. Product size: only 35x22mm. 14. Net weight: 20g. 15. Form: 3 pieces of 2 sets of objective lens are adopted. 16. The imaging is clear and bright due to the use of 3 pieces of 2 sets of objective lenses. 17. Its so small that you can see distant objects by just putting it on your finger! Bigger than your thumb. Anytime anywhere easy dexterity! It could be a small telescope in the world.