Specification:
Name: Miniature Telescope

Model: 2.5X17.5mm

Color: black

Material: All-metal mirror body, strong and durable, comfortable hand feeling.
Focusing method: rotating focus
Ling mirror information: high quality composite achromatic optical lenses
Eyepiece diameter: about 8mm/0.31"
Objective lens diameter: about 17.5mm/0.69"
Magnification: 2.5X
Field of view distance: 8m / 600m
Field of view angle: 6.5 degrees
Exit pupil diameter: 16mm/0.63"
Exit pupil distance: 13.5mm/0.53"
Coating: blue film
Product Size: 35 x 22 mm/1.38" x 0.87"
Packing size: 6cm x 5.2cm x 6cm/2.36" x 2.05" x 2.05"
Product weight: 20g
Product gross weight: 28g
Form: 3 x 2-group type objective

Feature:
Clear imaging, imaging bright.
Small size, just need to put on the finger, then can use it. Larger than thumb. Easy to use anytime, anywhere.
All high-quality composite achromatic ophthalmic lenses, high-quality transmission membrane, all-metal.
Multiples is real, high-definition quality.

Package Content:
1 x Monocular Telescope