• 3.5M HDMI+USB Digital Camera With Manual Focus Knob • 7x-45x, Up To 3.5x-270x With Optional Eyepieces & Auxiliary Objectives • High Eyepoint, Dia.30mm WF10x/20mm, WF15x, WF20x, WF25x Optional • Working Distance 100mm, Up To 30~165mm With Auxiliary Objectives • 35 Kinds Stand Optional, Details See A54.3630