Big dragon 1.5-5x magnifier scope with flip up lever ring

New full metal 5x model with anti scratch surface
rubber protective body with rear soft eye rerst included
optimal installation in front of red dot or night vision scope
crystal lens with 1.5 to 5x magnifier and autofocus function
30mm dot tube with quick side ring flip lever function (on the right side)  
body lenght: 130mm
optical lens diameter: 20mm