Ance could be adjusted from 55mm to75mm. And its working range also could be adjusted from 65mm to 102mm, suitable for observing targets in different elevation.
The illuminator is powered by two batteries(not include), which makes the microscope independent of any external electrical sources. This handy stereo microscope with binocular head is not only ideal for beginners, but also for mobile applications, due to its lightness. Lt's easy and convenient to operate for observing leaf/insects specimen, widely used in electric factories, laboratories, schools etc. High brightness top light source makes the observations clearer. It's one of the best science toys for children and one of the most educational and fun gifts for Birthdays, Christmas, New Years and more.This item is in the category "Business, Office & Industrial\Healthcare, Lab & Dental\Medical & Lab Equipment, Devices\Microscopes". The seller is "sco-955023" and is located in this country: CN.