The observed images are clear and upward on the fundus.
Halogen bulb with even illumination can show the true colures of
Smart design, convenient for mobile diagnosis. Equipped with
special charger, quick and convenient recharging, against over
recharging. Zoom illumination adjustment.Details:
Big spot, small spot, slit, et, red free,
Diameter of filter
-.5D - +20D24 in total