Mesh diameter: 18mm
Content diameter: 50mm
Perfect introduction to the Practical telescope Telescope: 90MM large diameter refracting Practical telescope Telescope， suitable for use in entrylevel amateur astronomers， configure two different magnification eyepieces， so you can freely mix， observe objects at different distances and sizes. Builtred dot finder using laser red dot， the greater field of vision， easier to find astronomical position and the target scene. .
[In the dark environment， infrared nightdevices are easy to see in camps and in the wild. Not only are you a Practical telescope Telescope， you can also connect your phone for a more complete view.
Focal length: 660MM
Eyepiece: 25MM 9MM
PRODUCT DESCRIPTION:
Product size: 55 * 55
Effective viewing distance: 1000 (M)
Magnification: 12 (times)
View of the prism's field: 1500M / 9500M
Focus: lens mounting + eye
Prism system: first mirror system
Lens: 55 mm (with frame)
Lens: full glass lens
Field of view: 396 feet / 1000 yards
??[Tips] We are a leading manufacturer with a strong RD team. We are 100% guaranteed to meet our customers. If you have any questions， please feel free to contact us by email. Can effectively solve all your customer service problems.