--0.68~4.7x Zoom Lens, High Zoom Ratio 1:6.8, Outstanding Ergonomic Design

--Total Magnification Up To 3.4x~188x (View Field 67.65~1.38mm) With Optional Eyepiece & Lens

--Binocular & Trinocular Head 35° Viewing Angle Large View WF10x/23mm Eyepiece

--Zoom Knob With Magnifying Stop Pin Enable User To Limit Zoom Range As Need Easily

--Large Track Stand 33x30cm High Stability, Reflect & Transmit 3W LED Light Available