500X 1000X FHD Adjustable Magnification Continuously Variable C Mount Zoom Lens
500X Working distance:90mm -120mm(Do not add 2X barlow lens). 1 x FHD Zoom C-mount Lens. Objective Magnification:0.7X - 5X(about 28 - 200X on the display)/(about 70 - 500X on the display). Eyepiece lens adapter:0.4X/1X.