8124 2.5X Ring type telescope

CE

Specification:
1)  2.5X Ring type telescope
2）Telescope magnification: 2.5x
3)  Pupil diameter: 17 mm
4)  Pupil diameter: 7 mm
5)  Field of view: 12 °
6)  Optical structure: 3 pieces, 2 groups
7)  Exit pupil distance: 12 mm
8)  Visual range: ± 5D
9)  Observation distance: 0.25m ～∝
10)  Net weight: 22G
11)  Accessories: Telescope cover, box body, lens wiping cloth
 
Features:
The 2.5 × ring type telescope is composed of a single telescope and a stainless steel wire ring.
It is used to observe near and far objects. The nearest distance is 250mm and the farthest distance is ∝.
The optical system of the visual aid has the advantages of clear imaging, light weight, easy to carry, wide range of vision, convenient use and wide use.
It can be used to observe shelves in supermarkets, watch various performances and competitions in theaters and sports fields, etc., which is necessary for the amblyopia.
 
Instructions:
(1) Turn the telescope eyepiece towards the eye to observe the object, and adjust the visibility by rotating the lens barrel until the object with clear eyes can be seen.
(2) Look at the object to be observed with the clearly adjusted single telescope.
(3) The floating dust on the lens can be gently wiped with a lens cloth.